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jazz.org

jazz.org may not be SSL secured

Free website and domain report on jazz.org

Last Updated: 15th June, 2021 Update Now
Overview

Snoop Summary for jazz.org

This is a free and comprehensive report about jazz.org. Jazz.org is hosted in Ashburn, Virginia in United States on a server with an IP address of 54.225.116.209, where the local currency is USD and English is the local language. Jazz.org has the potential to be earning an estimated $3 USD per day from advertising revenue. If jazz.org was to be sold it would possibly be worth $2,193 USD (based on the daily revenue potential of the website over a 24 month period). Jazz.org receives an estimated 1,049 unique visitors every day - a large amount of traffic! This report was last updated 15th June, 2021.

About jazz.org

Site Preview: jazz.org jazz.org
Title: Jazz at Lincoln Center Orchestra
Description: The centerpiece of jazz performance at Lincoln Center, a fifteen-piece big band led by Wynton Marsalis.
Keywords and Tags: artists, arts, bands, big band, entertainment, jazz, jazz at lincoln center orchestra, music, new york, north america, organizations, popular, regional, styles, united states
Related Terms: jazz concerts, jazz events, jazz mandolin, lincoln tombstone, lincoln towncar, lincoln tunnel, pems lincoln, street jazz, traditional jazz, waun fm smooth jazz 92.7 97.3 98.9
Fav Icon:
Age: Over 26 years old
Domain Created: 6th December, 1997
Domain Updated: 16th May, 2018
Domain Expires: 6th November, 2027
Review

Snoop Score

2/5

Valuation

$2,193 USD
Note: All valuation figures are estimates.

Popularity

Modest
Note: Popularity is estimated.

Rank, Reach and Authority

Alexa Rank: 784,368
Alexa Reach: 0.0001%
SEMrush Rank (US):
SEMrush Authority Score:
Moz Domain Authority: 0
Moz Page Authority: 0

Organic vs Paid (Google Ads)

Traffic

Visitors

Daily Visitors: 1,049
Monthly Visitors: 31,931
Yearly Visitors: 382,919
Note: All visitors figures are estimates.

Visitors By Country

Revenue

Revenue

Daily Revenue: $3 USD
Monthly Revenue: $91 USD
Yearly Revenue: $1,091 USD
Note: All revenue figures are estimates.

Revenue By Country

SEO

Backlinks Analysis (SEMrush)

Top New Follow Links

Top Ranking Keywords (US)

Domain Analysis

Value Length
Domain: jazz.org 8
Domain Name: jazz 4
Extension (TLD): org 3
Expiry Check:

Page Speed Analysis

Average Load Time: 1.32 seconds
Load Time Comparison: Faster than 65% of sites

PageSpeed Insights

Avg. (All Categories) 63
Performance 40
Accessibility 84
Best Practices 73
SEO 83
Progressive Web App 36
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
URL: https://2021.jazz.org/
Updated: 15th June, 2021

1.43 seconds
First Contentful Paint (FCP)
83%
11%
6%

0.01 seconds
First Input Delay (FID)
96%
2%
2%

Simulate loading on desktop
40

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for jazz.org. This includes details about optimizing page load times which can result in a better user experience.

Opportunities

Eliminate render-blocking resources — Potential savings of 120 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. Jazz.org should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Transfer Size (Bytes) Potential Savings (Ms)
https://static1.squarespace.com/static/versioned-site-css/5e74322153980d7786e4455a/237/5c5a519771c10ba3470d8101/5e74322153980d7786e44574/1069/site.css
79687
350
Defer offscreen images — Potential savings of 219 KiB
Time to Interactive can be slowed down by resources on the page. Jazz.org should consider lazy-loading offscreen and hidden images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1592931103894-YNLDM8TGZIWCZFECBTWP/ke17ZwdGBToddI8pDm48kN4sYYUd8xDsdhIieJ9vEOJZw-zPPgdn4jUwVcJE1ZvWEtT5uBSRWt4vQZAgTJucoTqqXjS3CfNDSuuf31e0tVGFKU_HmUcoVAHDNBg97IATJgGtzoc9oPa_v6Zq-9SzIWBapIj8uElJPdCivWn6Oj4/image-asset.jpeg?format=300w
34949
34949
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23455
23455
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23028
23028
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22953
22953
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20788
20788
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15906
15906
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14709
14709
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13645
13645
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12109
12109
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8856
8856
https://i.ytimg.com/vi/qQ__lmCOSeg/hqdefault.jpg?sqp=-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ==&rs=AOn4CLAb4r3bWt8rsX0w-qKnjGuLeWhKZw
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7309
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5664
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5652
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4884
4884
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1620747780930-L16FIO5Y3FE353GAYHN9/ke17ZwdGBToddI8pDm48kHD1k-ZSn2yUvcW6kuyrKfhZw-zPPgdn4jUwVcJE1ZvWEtT5uBSRWt4vQZAgTJucoTqqXjS3CfNDSuuf31e0tVGMS5CxkISpqnaxJ0ddNcgGjJG4jgCZn4IcwKNwJlbqsltO8nJtk629tZGIWiyY3XQ/21-22__04-entergy.png?format=300w
4786
4786
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3371
3371
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2075
2075
Minify CSS
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Jazz.org should consider minifying CSS files.
Minify JavaScript
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Jazz.org should consider minifying JS files.
Efficiently encode images — Potential savings of 46 KiB
Unoptimized images can consume more cellular data than what is necessary.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1604956872211-U9PNQZ0OHMHZZ99X9AR6/ke17ZwdGBToddI8pDm48kNvT88LknE-K9M4pGNO0Iqd7gQa3H78H3Y0txjaiv_0fDoOvxcdMmMKkDsyUqMSsMWxHk725yiiHCCLfrh8O1z5QPOohDIaIeljMHgDF5CVlOqpeNLcJ80NK65_fV7S1USOFn4xF8vTWDNAUBm5ducQhX-V3oVjSmr829Rco4W2Uo49ZdOtO_QXox0_W7i2zEA/home_dizzys.jpg?format=500w
64176
16638
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1612277796591-W9LYBQVOVTMUPOZU1REC/ke17ZwdGBToddI8pDm48kG0RcNvaVV7Mrk0_-FR2ft4UqsxRUqqbr1mOJYKfIPR7LoDQ9mXPOjoJoqy81S2I8N_N4V1vUb5AoIIIbLZhVYy7Mythp_T-mtop-vrsUOmeInPi9iDjx9w8K4ZfjXt2dqal85aQuGhgN3CgqOJReMToI4lhrPp53oPfVZm6tWWEbSexTd1-frD7527z4SM9QQ/colorbg.jpg?format=1500w
46540
12657
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1612277796591-W9LYBQVOVTMUPOZU1REC/ke17ZwdGBToddI8pDm48kG0RcNvaVV7Mrk0_-FR2ft4UqsxRUqqbr1mOJYKfIPR7LoDQ9mXPOjoJoqy81S2I8N_N4V1vUb5AoIIIbLZhVYy7Mythp_T-mtop-vrsUOmeInPi9iDjx9w8K4ZfjXt2dqal85aQuGhgN3CgqOJReMToI4lhrPp53oPfVZm6tWWEbSexTd1-frD7527z4SM9QQ/colorbg.jpg?format=original
60689
10764
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1604957269395-XGT8A6FJBIAI8Q5BMPRK/ke17ZwdGBToddI8pDm48kNvT88LknE-K9M4pGNO0Iqd7gQa3H78H3Y0txjaiv_0fDoOvxcdMmMKkDsyUqMSsMWxHk725yiiHCCLfrh8O1z5QPOohDIaIeljMHgDF5CVlOqpeNLcJ80NK65_fV7S1USOFn4xF8vTWDNAUBm5ducQhX-V3oVjSmr829Rco4W2Uo49ZdOtO_QXox0_W7i2zEA/blue-engine.jpg?format=500w
50453
6676
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Initial server response time was short — Root document took 180 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.
URL Time Spent (Ms)
https://2021.jazz.org/
182.321
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. Jazz.org should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.
Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.
Avoid serving legacy JavaScript to modern browsers — Potential savings of 83 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.
URL Potential Savings (Bytes)
https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/site-bundle.1e9afc848591f465264e741723cca52d.js
16162
https://www.facebook.com/rsrc.php/v3/yY/r/sOpMLfAgUuL.js?_nc_x=Ij3Wp8lg5Kz
15746
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-48e41544b77f688bf85c6-min.en-US.js
12211
https://assets.squarespace.com/universal/scripts-compressed/common-3311b727f642a44e067d9-min.en-US.js
11883
https://connect.facebook.net/signals/config/683127435041827?v=2.9.41&r=stable
11731
https://connect.facebook.net/signals/config/545374542247579?v=2.9.41&r=stable
11721
https://assets.squarespace.com/universal/scripts-compressed/announcement-bar-82f255bfca0a9c6697cdc-min.en-US.js
5914
https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/magic-padding-controller.b1d439b86586bd79e9f5.js
79
https://connect.facebook.net/en_US/fbevents.js
45
Preload Largest Contentful Paint image
It is recommended to preload images used by LCP elements, to improve LCP time.
URL Potential Savings (Ms)
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1612277796591-W9LYBQVOVTMUPOZU1REC/ke17ZwdGBToddI8pDm48kG0RcNvaVV7Mrk0_-FR2ft4UqsxRUqqbr1mOJYKfIPR7LoDQ9mXPOjoJoqy81S2I8N_N4V1vUb5AoIIIbLZhVYy7Mythp_T-mtop-vrsUOmeInPi9iDjx9w8K4ZfjXt2dqal85aQuGhgN3CgqOJReMToI4lhrPp53oPfVZm6tWWEbSexTd1-frD7527z4SM9QQ/colorbg.jpg?format=original
0

Diagnostics

Avoids an excessive DOM size — 722 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
722
Maximum DOM Depth
<img src="https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455…
26
Maximum Child Elements
body
27
Avoid chaining critical requests — 6 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Jazz.org should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures — 15 user timings
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
Name Type Start Time (Ms) Duration (Ms)
mark_pe
Mark
3015.563
mark_pe
Mark
3114.665
mark_pe
Mark
3220.569
mark_fs
Mark
3406.062
mark_ep_pr_s
Mark
3416.797
mark_ep_pr_r
Mark
3417.123
mark_qoes
Mark
3423.179
mark_fs
Mark
3575.388
mark_ep_pr_s
Mark
3585.609
mark_ep_pr_r
Mark
3585.938
mark_qoes
Mark
3592.1
mark_fs
Mark
3723.591
mark_ep_pr_s
Mark
3733.875
mark_ep_pr_r
Mark
3734.293
mark_qoes
Mark
3741.42
Keep request counts low and transfer sizes small — 166 requests • 5,108 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
166
5230345
Script
57
3529737
Image
44
675651
Document
13
455652
Font
10
261816
Stylesheet
7
253342
Other
35
54147
Media
0
0
Third-party
149
5151325
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
img
Avoid large layout shifts — 5 elements found
Below is a list of all DOM elements that contribute to the CLS of the page.
Element CLS Contribution
ALL NEW PROGRAMS, ONLINE EVERYDAY Thank you for your continued support of Jazz…
0.16043767116066
EXPLORE THE VIRTUAL SEASON
0.061766898722329
VIRTUAL SEASON GALA 2021 DIZZY'S CLUB SWING U WEBOP WEEKLY SCHEDULE LOG IN
0.039708903598113
VIRTUAL SEASON GALA 2021 DIZZY'S CLUB SWING U WEBOP WEEKLY SCHEDULE LOG IN
0.012262314814815
EXPLORE THE VIRTUAL SEASON
0.009589860016232
Avoids `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
Avoid long main-thread tasks — 16 long tasks found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://assets.squarespace.com/universal/scripts-compressed/common-3311b727f642a44e067d9-min.en-US.js
3223
238
https://www.youtube.com/s/player/2a6f5e06/www-embed-player.vflset/www-embed-player.js
7639
176
https://www.youtube.com/s/player/2a6f5e06/www-embed-player.vflset/www-embed-player.js
7834
163
https://www.youtube.com/s/player/2a6f5e06/www-embed-player.vflset/www-embed-player.js
7372
129
https://www.youtube.com/s/player/2a6f5e06/player_ias.vflset/en_US/base.js
7232
101
https://www.youtube.com/s/player/2a6f5e06/player_ias.vflset/en_US/base.js
7132
100
https://www.gstatic.com/recaptcha/releases/6OAif-f8nYV0qSFmq-D6Qssr/recaptcha__en.js
5561
97
https://www.gstatic.com/recaptcha/releases/6OAif-f8nYV0qSFmq-D6Qssr/recaptcha__en.js
5658
96
https://www.youtube.com/s/player/2a6f5e06/player_ias.vflset/en_US/base.js
7036
96
https://www.youtube.com/s/player/2a6f5e06/player_ias.vflset/en_US/base.js
7998
78
https://www.youtube.com/s/player/2a6f5e06/www-embed-player.vflset/www-embed-player.js
7566
68
https://www.youtube.com/s/player/2a6f5e06/www-embed-player.vflset/www-embed-player.js
7501
65
https://cdn.embedly.com/widgets/media.html?src=http%3A%2F%2Fwww.youtube.com%2Fembed%2Fvideoseries%3Flist%3DPLqhIRO8y9HlBVyzf3ktM4ty5pYiuoH5iD&display_name=YouTube&url=https%3A%2F%2Fwww.youtube.com%2Fplaylist%3Flist%3DPLqhIRO8y9HlBVyzf3ktM4ty5pYiuoH5iD&image=https%3A%2F%2Fi.ytimg.com%2Fvi%2FdhpJ_SfNq34%2Fhqdefault.jpg%3Fsqp%3D-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ%3D%3D%26rs%3DAOn4CLAsramwdHxnszh7WBMIs31kJNNS7A&key=61d05c9d54e8455ea7a9677c366be814&type=text%2Fhtml&schema=youtube&wmode=opaque&enablejsapi=1
3863
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https://cdn.embedly.com/widgets/media.html?src=http%3A%2F%2Fwww.youtube.com%2Fembed%2Fvideoseries%3Flist%3DPLqhIRO8y9HlCKkNYzAyM9eHwGZAl89D8i&display_name=YouTube&url=https%3A%2F%2Fwww.youtube.com%2Fplaylist%3Flist%3DPLqhIRO8y9HlCKkNYzAyM9eHwGZAl89D8i&image=https%3A%2F%2Fi.ytimg.com%2Fvi%2F7QaH1fkLYVc%2Fhqdefault.jpg%3Fsqp%3D-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ%3D%3D%26rs%3DAOn4CLBCvwuMwL7FcTsGQ8T6ZeVYAY3Jmg&key=61d05c9d54e8455ea7a9677c366be814&type=text%2Fhtml&schema=youtube&wmode=opaque&enablejsapi=1
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https://cdn.embedly.com/widgets/media.html?src=http%3A%2F%2Fwww.youtube.com%2Fembed%2Fvideoseries%3Flist%3DPLqhIRO8y9HlBS8EAC16sKCfpWB2A6GlK6&display_name=YouTube&url=https%3A%2F%2Fwww.youtube.com%2Fplaylist%3Flist%3DPLqhIRO8y9HlBS8EAC16sKCfpWB2A6GlK6&image=https%3A%2F%2Fi.ytimg.com%2Fvi%2F_GWu7_-J4wE%2Fhqdefault.jpg%3Fsqp%3D-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ%3D%3D%26rs%3DAOn4CLAZ75xCei-4Vr4UjUIpWi2sdeqZYA&key=61d05c9d54e8455ea7a9677c366be814&type=text%2Fhtml&schema=youtube&wmode=opaque&enablejsapi=1
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1790
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Avoid non-composited animations
It is recommended to avoid non-composited animations which are often janky and increase CLS.

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Other

Network Requests
Below is a list of network requests that were made during page load.
URL Protocol Start Time (Ms) End Time (Ms) Transfer Size (Bytes) Resource Size (Bytes) Status Code MIME Type Resource Type
http://jazz.org/
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301
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http://www.jazz.org/
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42.908000061288
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304
0
301
text/html
https://www.jazz.org/
http/1.1
118.57699998654
218.56000006665
312
0
302
text/html
https://2021.jazz.org/
h2
219.16099998634
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h2
416.73900000751
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Script
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http/1.1
417.18700004276
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46634
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200
text/javascript
Script
https://assets.squarespace.com/universal/scripts-compressed/cldr-resource-pack-7d6dc599f0e9e5882dcca-min.en-US.js
http/1.1
514.50699998531
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25318
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text/javascript
Script
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-stable-db6e1a9e95959c0432ba5-min.en-US.js
http/1.1
520.94800001942
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200
text/javascript
Script
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-48e41544b77f688bf85c6-min.en-US.js
http/1.1
552.45900002774
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193337
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200
text/javascript
Script
https://assets.squarespace.com/universal/scripts-compressed/common-3311b727f642a44e067d9-min.en-US.js
http/1.1
552.71299998276
721.5140000917
192369
794959
200
text/javascript
Script
https://assets.squarespace.com/universal/scripts-compressed/performance-0add3f16b92e7b8855b50-min.en-US.js
http/1.1
552.92100005317
611.93300003652
14035
45386
200
text/javascript
Script
https://static1.squarespace.com/static/versioned-site-css/5e74322153980d7786e4455a/237/5c5a519771c10ba3470d8101/5e74322153980d7786e44574/1069/site.css
h2
417.84100001678
481.60800000187
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743361
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text/css
Stylesheet
https://connect.facebook.net/en_US/sdk.js
h2
553.07999998331
569.00300004054
2926
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200
application/x-javascript
Script
https://static1.squarespace.com/static/5e74322153980d7786e4455a/t/5e8367d2a5cc5d762ac46942/1623252594678/?format=1500w
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553.28700004611
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704
0
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http/1.1
553.46000008285
641.85700006783
61066
60689
200
image/jpeg
Image
https://pbs.twimg.com/profile_images/467342151018229760/XW0YnauF_normal.jpeg
h2
553.64100006409
569.3489999976
2448
1731
200
image/jpeg
Image
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h2
553.77900006715
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200569
200
application/javascript
Script
https://www.googletagmanager.com/gtm.js?id=GTM-W29B53Z
h2
553.99100005161
580.59100003447
40258
108488
200
application/javascript
Script
https://www.googletagmanager.com/gtm.js?id=GTM-NGTT5HB
h2
554.39100007061
583.84900004603
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application/javascript
Script
https://use.typekit.net/af/6161d4/00000000000000007735ba1e/30/l?subset_id=2&fvd=n5&v=3
h2
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h2
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application/font-woff2
Font
https://www.facebook.com/plugins/page.php?href=https%3A%2F%2Fwww.facebook.com%2Fjazzatlincolncenter%2F&tabs=timeline&width=100%25&height=0&small_header=false&adapt_container_width=false&hide_cover=false&show_facepile=false&appId
h2
592.69399999175
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text/html
Document
https://assets.squarespace.com/universal/images-v6/damask/play-button.png
http/1.1
604.7790000448
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image/png
Image
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h2
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http/1.1
649.327000021
971.83699999005
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image/png
Image
https://connect.facebook.net/en_US/sdk.js?hash=5019f670e953786eb5425527721da78d&ua=modern_es6
h2
658.91700005159
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application/x-javascript
Script
https://www.googleadservices.com/pagead/conversion_async.js
h2
771.02500002366
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14766
36750
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text/javascript
Script
https://connect.facebook.net/en_US/fbevents.js
h2
772.97300007194
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application/x-javascript
Script
https://js.adsrvr.org/up_loader.1.1.0.js
http/1.1
774.04300007038
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application/x-javascript
Script
https://www.google-analytics.com/analytics.js
h2
784.92400003597
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text/javascript
Script
https://2021.jazz.org/api/1/performance/settings
h2
1038.9810000779
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application/json
XHR
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h2
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h2
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h2
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Font
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http/1.1
1212.019000086
1408.7320000399
101625
403642
200
text/html
Document
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http/1.1
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101628
403642
200
text/html
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http/1.1
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403642
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text/html
Document
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1299.3260000367
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4788.0150000565
734
70
200
image/gif
Document
https://match.adsrvr.org/track/cmf/generic?ttd_pid=aam
h2
4793.4300000779
4810.1000000024
734
70
200
image/gif
Document
https://www.youtube.com/youtubei/v1/log_event?alt=json&key=AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8
h2
5934.1440000571
5958.5040000966
512
28
200
application/json
XHR
https://www.youtube.com/youtubei/v1/log_event?alt=json&key=AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8
h2
5954.2020000517
5980.3940000711
512
28
200
application/json
XHR
https://www.youtube.com/youtubei/v1/log_event?alt=json&key=AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8
h2
5986.716000014
6010.5329999933
512
28
200
application/json
XHR
Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
410.156
8.71
490.678
5.134
526.931
36.842
563.79
26.105
590.778
5.916
600.647
40.576
654.046
8.917
665.688
30.134
696.593
7.734
704.373
9.112
714.767
7.301
725.692
5.889
731.777
8.338
740.322
20.989
762.639
17.667
780.324
18.609
798.944
15.055
825.804
32.31
859.41
19.357
880.132
475.452
1355.806
6.026
1368.449
7.95
1376.413
26.286
1402.734
15.34
1418.111
23.704
1443.463
10.185
1458.954
6.405
1476.485
5.735
1491.714
6.288
1498.039
7.306
1522.837
5.116
1529.578
49.309
1590.968
15.79
1608.885
57.887
1668.973
22.218
1691.207
9.783
1716.442
84.369
1806.095
38.91
1848.305
71.207
1919.602
9.604
1937.181
5.039
1952.802
11.265
1986.797
6.158
2000.162
41.042
2051.455
13.7
2066.421
11.745
2078.291
6.184
2099.097
7.156
2114.913
5.993
2125.47
63.471
2188.985
60.663
2251.075
60.93
2315.885
5.619
2322.746
5.311
2334.392
5.266
2356.521
6.517
2370.247
13.922
2386.382
96.841
2484.274
15.202
2503.278
12.657
2524.615
8.085
2534.685
11.691
2550.651
12.486
2564.175
96.037
2664.981
11.683
2681.663
7.987
2689.666
7.73
2697.413
25.634
2732.225
11.796
2777.137
11.307
2803.894
7.394
2832.846
11.512
2844.71
11.651
2856.427
17.66
2874.135
11.999
2886.855
11.677
2903.518
16.245
2923.929
16.86
2944.227
96.059
3042.551
99.717
3146.072
101.231
3252.926
11.558
3264.503
257.403
3522.009
18.64
3544.851
129.785
3674.679
11.632
3689.203
135.284
3824.583
10.446
3837.522
11.008
3859.544
11.309
3872.376
6.74
3882.87
6.251
3891.901
6.694
3902.181
7.854
3910.565
13.242
3923.83
6.993
3931.424
13.015
3944.453
7.27
3952.322
5.567
3958.197
6.266
3968.207
10.237
3978.46
10.088
3990.031
176.274
4173.047
162.554
4346.003
156.773
4551.618
7.121
4641.227
6.304
4797.154
8.018
4819.305
7.705
5926.038
14.408
5946.957
13.56
5980.523
12.515
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data
Script Treemap Data
Provide as required, for treemap app.

Metrics

First Contentful Paint — 1.2 s
The time taken for the first image or text on the page to be rendered.
Largest Contentful Paint — 2.1 s
The timing of the largest text or image that is painted.

Other

Max Potential First Input Delay — 240 ms
Users could experience a delay when interacting with the page.

Opportunities

Properly size images — Potential savings of 268 KiB
Images can slow down the page's load time. Jazz.org should consider serving more appropriate-sized images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1617128635749-S9EKOL7DI8QXTJJNW1UA/ke17ZwdGBToddI8pDm48kNvT88LknE-K9M4pGNO0Iqd7gQa3H78H3Y0txjaiv_0fDoOvxcdMmMKkDsyUqMSsMWxHk725yiiHCCLfrh8O1z5QPOohDIaIeljMHgDF5CVlOqpeNLcJ80NK65_fV7S1UbeDbaZv1s3QfpIA4TYnL5Qao8BosUKjCVjCf8TKewJIH3bqxw7fF48mhrq5Ulr0Hg/swingu_social_spring-21_1920x1080.png?format=500w
167006
60027
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1592931103894-YNLDM8TGZIWCZFECBTWP/ke17ZwdGBToddI8pDm48kN4sYYUd8xDsdhIieJ9vEOJZw-zPPgdn4jUwVcJE1ZvWEtT5uBSRWt4vQZAgTJucoTqqXjS3CfNDSuuf31e0tVGFKU_HmUcoVAHDNBg97IATJgGtzoc9oPa_v6Zq-9SzIWBapIj8uElJPdCivWn6Oj4/image-asset.jpeg?format=300w
34949
29178
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1612277796591-W9LYBQVOVTMUPOZU1REC/ke17ZwdGBToddI8pDm48kG0RcNvaVV7Mrk0_-FR2ft4UqsxRUqqbr1mOJYKfIPR7LoDQ9mXPOjoJoqy81S2I8N_N4V1vUb5AoIIIbLZhVYy7Mythp_T-mtop-vrsUOmeInPi9iDjx9w8K4ZfjXt2dqal85aQuGhgN3CgqOJReMToI4lhrPp53oPfVZm6tWWEbSexTd1-frD7527z4SM9QQ/colorbg.jpg?format=original
60689
25822
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1604956872211-U9PNQZ0OHMHZZ99X9AR6/ke17ZwdGBToddI8pDm48kNvT88LknE-K9M4pGNO0Iqd7gQa3H78H3Y0txjaiv_0fDoOvxcdMmMKkDsyUqMSsMWxHk725yiiHCCLfrh8O1z5QPOohDIaIeljMHgDF5CVlOqpeNLcJ80NK65_fV7S1USOFn4xF8vTWDNAUBm5ducQhX-V3oVjSmr829Rco4W2Uo49ZdOtO_QXox0_W7i2zEA/home_dizzys.jpg?format=500w
64176
23067
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1592859280977-LSC9BK4Q9HWHQGPF38OQ/ke17ZwdGBToddI8pDm48kEpVg-ILAPna1wRh-xAJ9fRZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZUJFbgE-7XRK3dMEBRBhUpwEv36x-EUL2-BSQ5feDhwGCbXuJBFqZ-erYzVouT8yOb9TwqchglLQOCYTRn7ZGxI/image-asset.jpeg?format=300w
23455
19639
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1593272368895-B75V2LKUXYFA2N7QEOGU/ke17ZwdGBToddI8pDm48kOyctPanBqSdf7WQMpY1FsRZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZUJFbgE-7XRK3dMEBRBhUpwwQIrqN0bcqL_6-iJCOAA0qwytzcs0JTq1XS2aqVbyK6GtMIM7F0DGeOwCXa63_4k/image-asset.jpeg?format=300w
23028
19282
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1593185348998-YS06V0LB0RYKWMCO9K94/ke17ZwdGBToddI8pDm48kEpVg-ILAPna1wRh-xAJ9fRZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZUJFbgE-7XRK3dMEBRBhUpwEv36x-EUL2-BSQ5feDhwGCbXuJBFqZ-erYzVouT8yOb9TwqchglLQOCYTRn7ZGxI/image-asset.jpeg?format=300w
22953
19219
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1604957269395-XGT8A6FJBIAI8Q5BMPRK/ke17ZwdGBToddI8pDm48kNvT88LknE-K9M4pGNO0Iqd7gQa3H78H3Y0txjaiv_0fDoOvxcdMmMKkDsyUqMSsMWxHk725yiiHCCLfrh8O1z5QPOohDIaIeljMHgDF5CVlOqpeNLcJ80NK65_fV7S1USOFn4xF8vTWDNAUBm5ducQhX-V3oVjSmr829Rco4W2Uo49ZdOtO_QXox0_W7i2zEA/blue-engine.jpg?format=500w
50453
18134
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1593363292974-3UCTHSZ1AZC94YXJ7KB4/ke17ZwdGBToddI8pDm48kJ8w_2wiiTy7dHpDtbRzFMBZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZUJFbgE-7XRK3dMEBRBhUpyETNc6IiZBKx0U-U9i6u-vXpjGj2T0uEH9__9_kKdqBwV8EfOdnAmZ7Ufss8HLNgk/image-asset.jpeg?format=300w
20788
14751
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1592844391641-QSN9LJCVFR28VQ4C7F6J/ke17ZwdGBToddI8pDm48kEpVg-ILAPna1wRh-xAJ9fRZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZUJFbgE-7XRK3dMEBRBhUpwEv36x-EUL2-BSQ5feDhwGCbXuJBFqZ-erYzVouT8yOb9TwqchglLQOCYTRn7ZGxI/image-asset.jpeg?format=300w
15906
13318
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1593385487911-F8Q1YT0SKT5FUMQBXYHB/ke17ZwdGBToddI8pDm48kEpVg-ILAPna1wRh-xAJ9fRZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZUJFbgE-7XRK3dMEBRBhUpwEv36x-EUL2-BSQ5feDhwGCbXuJBFqZ-erYzVouT8yOb9TwqchglLQOCYTRn7ZGxI/image-asset.jpeg?format=300w
13645
11425
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1593102734608-AKE2N5AGMPVPNTDPNBIH/ke17ZwdGBToddI8pDm48kOdzDdw5b51qd8LWcq9GF9ZZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZUJFbgE-7XRK3dMEBRBhUpwb7kkYSBZ-vesKghH-TzLiRZDvSNo4q94t0OghEso8pDw5dpFNrqxK_jvP4ywHtms/image-asset.jpeg?format=300w
14709
9253
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1612278207959-0PK248RB3C2H18FVG0ZP/ke17ZwdGBToddI8pDm48kBSr8uvhGD11cN5qMiLV2nNZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZamWLI2zvYWH8K3-s_4yszcp2ryTI0HqTOaaUohrI8PIgqhb35ucB_ZFtyJe4ARbJnytjGrJ_erLVqDUGLxPuwk/home-banner.png?format=500w
22528
5798
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1620747902820-GKCEEKITF5SEOUKHQ57Y/ke17ZwdGBToddI8pDm48kHD1k-ZSn2yUvcW6kuyrKfhZw-zPPgdn4jUwVcJE1ZvWEtT5uBSRWt4vQZAgTJucoTqqXjS3CfNDSuuf31e0tVGMS5CxkISpqnaxJ0ddNcgGjJG4jgCZn4IcwKNwJlbqsltO8nJtk629tZGIWiyY3XQ/21-22__06-cocacola.png?format=300w
8856
5512
Reduce unused CSS — Potential savings of 156 KiB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Jazz.org should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://static1.squarespace.com/static/versioned-site-css/5e74322153980d7786e4455a/237/5c5a519771c10ba3470d8101/5e74322153980d7786e44574/1069/site.css
79687
75789
https://www.youtube.com/s/player/2a6f5e06/www-player-webp.css
46905
44663
https://www.gstatic.com/recaptcha/releases/6OAif-f8nYV0qSFmq-D6Qssr/styles__ltr.css
26442
25076
https://cdn.embedly.com/widgets/media.html?src=http%3A%2F%2Fwww.youtube.com%2Fembed%2Fvideoseries%3Flist%3DPLqhIRO8y9HlCKkNYzAyM9eHwGZAl89D8i&display_name=YouTube&url=https%3A%2F%2Fwww.youtube.com%2Fplaylist%3Flist%3DPLqhIRO8y9HlCKkNYzAyM9eHwGZAl89D8i&image=https%3A%2F%2Fi.ytimg.com%2Fvi%2F7QaH1fkLYVc%2Fhqdefault.jpg%3Fsqp%3D-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ%3D%3D%26rs%3DAOn4CLBCvwuMwL7FcTsGQ8T6ZeVYAY3Jmg&key=61d05c9d54e8455ea7a9677c366be814&type=text%2Fhtml&schema=youtube&wmode=opaque&enablejsapi=1
14215
13836
Serve images in next-gen formats — Potential savings of 267 KiB
Consider JPEG 2000, JPEG XR or WebP image formats which provide better compression than PNG and JPEG.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1617128635749-S9EKOL7DI8QXTJJNW1UA/ke17ZwdGBToddI8pDm48kNvT88LknE-K9M4pGNO0Iqd7gQa3H78H3Y0txjaiv_0fDoOvxcdMmMKkDsyUqMSsMWxHk725yiiHCCLfrh8O1z5QPOohDIaIeljMHgDF5CVlOqpeNLcJ80NK65_fV7S1UbeDbaZv1s3QfpIA4TYnL5Qao8BosUKjCVjCf8TKewJIH3bqxw7fF48mhrq5Ulr0Hg/swingu_social_spring-21_1920x1080.png?format=500w
167006
131674
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1612277796591-W9LYBQVOVTMUPOZU1REC/ke17ZwdGBToddI8pDm48kG0RcNvaVV7Mrk0_-FR2ft4UqsxRUqqbr1mOJYKfIPR7LoDQ9mXPOjoJoqy81S2I8N_N4V1vUb5AoIIIbLZhVYy7Mythp_T-mtop-vrsUOmeInPi9iDjx9w8K4ZfjXt2dqal85aQuGhgN3CgqOJReMToI4lhrPp53oPfVZm6tWWEbSexTd1-frD7527z4SM9QQ/colorbg.jpg?format=original
60689
46665
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1612277796591-W9LYBQVOVTMUPOZU1REC/ke17ZwdGBToddI8pDm48kG0RcNvaVV7Mrk0_-FR2ft4UqsxRUqqbr1mOJYKfIPR7LoDQ9mXPOjoJoqy81S2I8N_N4V1vUb5AoIIIbLZhVYy7Mythp_T-mtop-vrsUOmeInPi9iDjx9w8K4ZfjXt2dqal85aQuGhgN3CgqOJReMToI4lhrPp53oPfVZm6tWWEbSexTd1-frD7527z4SM9QQ/colorbg.jpg?format=1500w
46540
36998
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1604956872211-U9PNQZ0OHMHZZ99X9AR6/ke17ZwdGBToddI8pDm48kNvT88LknE-K9M4pGNO0Iqd7gQa3H78H3Y0txjaiv_0fDoOvxcdMmMKkDsyUqMSsMWxHk725yiiHCCLfrh8O1z5QPOohDIaIeljMHgDF5CVlOqpeNLcJ80NK65_fV7S1USOFn4xF8vTWDNAUBm5ducQhX-V3oVjSmr829Rco4W2Uo49ZdOtO_QXox0_W7i2zEA/home_dizzys.jpg?format=500w
64176
29744
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1604957269395-XGT8A6FJBIAI8Q5BMPRK/ke17ZwdGBToddI8pDm48kNvT88LknE-K9M4pGNO0Iqd7gQa3H78H3Y0txjaiv_0fDoOvxcdMmMKkDsyUqMSsMWxHk725yiiHCCLfrh8O1z5QPOohDIaIeljMHgDF5CVlOqpeNLcJ80NK65_fV7S1USOFn4xF8vTWDNAUBm5ducQhX-V3oVjSmr829Rco4W2Uo49ZdOtO_QXox0_W7i2zEA/blue-engine.jpg?format=500w
50453
19569
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1612278207959-0PK248RB3C2H18FVG0ZP/ke17ZwdGBToddI8pDm48kBSr8uvhGD11cN5qMiLV2nNZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZamWLI2zvYWH8K3-s_4yszcp2ryTI0HqTOaaUohrI8PIgqhb35ucB_ZFtyJe4ARbJnytjGrJ_erLVqDUGLxPuwk/home-banner.png?format=500w
22528
8442
Enable text compression — Potential savings of 240 KiB
Text-based resources should be served with compression, such as gzip, deflate or brotli.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://www.gstatic.com/recaptcha/releases/6OAif-f8nYV0qSFmq-D6Qssr/recaptcha__en.js
351376
215256
https://2021.jazz.org/api/widget/GetWidgetRendering
32167
27980
https://js.adsrvr.org/up_loader.1.1.0.js
4593
2718
Avoid multiple page redirects — Potential savings of 530 ms
Redirects can cause additional delays before the page can begin loading. Jazz.org should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
http://jazz.org/
190
http://www.jazz.org/
190
https://www.jazz.org/
150
https://2021.jazz.org/
0

Diagnostics

Reduce JavaScript execution time — 2.5 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://www.youtube.com/s/player/2a6f5e06/www-embed-player.vflset/www-embed-player.js
1060.585
872.63299999999
17.24
https://www.youtube.com/s/player/2a6f5e06/player_ias.vflset/en_US/base.js
437.905
258.626
121.663
https://assets.squarespace.com/universal/scripts-compressed/common-3311b727f642a44e067d9-min.en-US.js
427.961
338.211
13.108
https://2021.jazz.org/
325.222
9.478
4.322
Unattributable
265.445
4.884
0.202
https://www.google.com/recaptcha/enterprise/anchor?ar=1&k=6LeDzNAaAAAAAEkjrk4yKez3Zm1UQ_MANiUGTq7O&co=aHR0cHM6Ly8yMDIxLmphenoub3JnOjQ0Mw..&hl=en&v=6OAif-f8nYV0qSFmq-D6Qssr&size=invisible&cb=lmx9hb9a5wnn
200.049
184.291
3.161
https://www.gstatic.com/recaptcha/releases/6OAif-f8nYV0qSFmq-D6Qssr/recaptcha__en.js
194.449
151.748
17.683
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-48e41544b77f688bf85c6-min.en-US.js
116.943
43.189
11.851
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-stable-db6e1a9e95959c0432ba5-min.en-US.js
107.307
56.166
4.675
https://cdn.embedly.com/widgets/media.html?src=http%3A%2F%2Fwww.youtube.com%2Fembed%2Fvideoseries%3Flist%3DPLqhIRO8y9HlBVyzf3ktM4ty5pYiuoH5iD&display_name=YouTube&url=https%3A%2F%2Fwww.youtube.com%2Fplaylist%3Flist%3DPLqhIRO8y9HlBVyzf3ktM4ty5pYiuoH5iD&image=https%3A%2F%2Fi.ytimg.com%2Fvi%2FdhpJ_SfNq34%2Fhqdefault.jpg%3Fsqp%3D-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ%3D%3D%26rs%3DAOn4CLAsramwdHxnszh7WBMIs31kJNNS7A&key=61d05c9d54e8455ea7a9677c366be814&type=text%2Fhtml&schema=youtube&wmode=opaque&enablejsapi=1
78.713
39.259
18.709
https://cdn.embedly.com/widgets/media.html?src=http%3A%2F%2Fwww.youtube.com%2Fembed%2Fvideoseries%3Flist%3DPLqhIRO8y9HlBS8EAC16sKCfpWB2A6GlK6&display_name=YouTube&url=https%3A%2F%2Fwww.youtube.com%2Fplaylist%3Flist%3DPLqhIRO8y9HlBS8EAC16sKCfpWB2A6GlK6&image=https%3A%2F%2Fi.ytimg.com%2Fvi%2F_GWu7_-J4wE%2Fhqdefault.jpg%3Fsqp%3D-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ%3D%3D%26rs%3DAOn4CLAZ75xCei-4Vr4UjUIpWi2sdeqZYA&key=61d05c9d54e8455ea7a9677c366be814&type=text%2Fhtml&schema=youtube&wmode=opaque&enablejsapi=1
75.504
36.567
19.163
https://cdn.embedly.com/widgets/media.html?src=http%3A%2F%2Fwww.youtube.com%2Fembed%2Fvideoseries%3Flist%3DPLqhIRO8y9HlCKkNYzAyM9eHwGZAl89D8i&display_name=YouTube&url=https%3A%2F%2Fwww.youtube.com%2Fplaylist%3Flist%3DPLqhIRO8y9HlCKkNYzAyM9eHwGZAl89D8i&image=https%3A%2F%2Fi.ytimg.com%2Fvi%2F7QaH1fkLYVc%2Fhqdefault.jpg%3Fsqp%3D-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ%3D%3D%26rs%3DAOn4CLBCvwuMwL7FcTsGQ8T6ZeVYAY3Jmg&key=61d05c9d54e8455ea7a9677c366be814&type=text%2Fhtml&schema=youtube&wmode=opaque&enablejsapi=1
75.474
36.055
19.274
https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/site-bundle.1e9afc848591f465264e741723cca52d.js
73.427
38.421
3.476
https://www.youtube.com/embed/?list=PLqhIRO8y9HlBVyzf3ktM4ty5pYiuoH5iD&listType=playlist&wmode=opaque&widget_referrer=https%3A%2F%2F2021.jazz.org%2F&enablejsapi=1&origin=https%3A%2F%2Fcdn.embedly.com&widgetid=1
59.797
18.687
4.552
https://www.youtube.com/embed/?list=PLqhIRO8y9HlBS8EAC16sKCfpWB2A6GlK6&listType=playlist&wmode=opaque&widget_referrer=https%3A%2F%2F2021.jazz.org%2F&enablejsapi=1&origin=https%3A%2F%2Fcdn.embedly.com&widgetid=1
53.748
18.501
4.5
https://www.youtube.com/s/player/2a6f5e06/www-widgetapi.vflset/www-widgetapi.js
52.992
38.278
10.181
https://www.youtube.com/embed/?list=PLqhIRO8y9HlCKkNYzAyM9eHwGZAl89D8i&listType=playlist&wmode=opaque&widget_referrer=https%3A%2F%2F2021.jazz.org%2F&enablejsapi=1&origin=https%3A%2F%2Fcdn.embedly.com&widgetid=1
51.492
20.117
3.882
https://assets.squarespace.com/universal/scripts-compressed/announcement-bar-82f255bfca0a9c6697cdc-min.en-US.js
51.257
45.754
3.096
https://www.googletagmanager.com/gtm.js?id=GTM-NGTT5HB
50.673
45.976
3.193

Metrics

Speed Index — 2.8 s
The time taken for the page contents to be visibly populated.
Time to Interactive — 7.3 s
The time taken for the page to become fully interactive.
Total Blocking Time — 590 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).
Cumulative Layout Shift — 0.298
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Other

First Meaningful Paint — 1.7 s
The time taken for the primary content of the page to be rendered.

Opportunities

Reduce unused JavaScript — Potential savings of 1,110 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://www.youtube.com/s/player/2a6f5e06/player_ias.vflset/en_US/base.js
480182
338449
https://assets.squarespace.com/universal/scripts-compressed/common-3311b727f642a44e067d9-min.en-US.js
192369
90090
https://www.gstatic.com/recaptcha/releases/6OAif-f8nYV0qSFmq-D6Qssr/recaptcha__en.js
137781
71975
https://connect.facebook.net/signals/config/545374542247579?v=2.9.41&r=stable
76370
71052
https://www.facebook.com/rsrc.php/v3/yY/r/sOpMLfAgUuL.js?_nc_x=Ij3Wp8lg5Kz
88213
60703
https://connect.facebook.net/signals/config/683127435041827?v=2.9.41&r=stable
76624
56136
https://connect.facebook.net/en_US/sdk.js?hash=5019f670e953786eb5425527721da78d&ua=modern_es6
75721
54162
https://cdn.embedly.com/widgets/media.html?src=http%3A%2F%2Fwww.youtube.com%2Fembed%2Fvideoseries%3Flist%3DPLqhIRO8y9HlBVyzf3ktM4ty5pYiuoH5iD&display_name=YouTube&url=https%3A%2F%2Fwww.youtube.com%2Fplaylist%3Flist%3DPLqhIRO8y9HlBVyzf3ktM4ty5pYiuoH5iD&image=https%3A%2F%2Fi.ytimg.com%2Fvi%2FdhpJ_SfNq34%2Fhqdefault.jpg%3Fsqp%3D-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ%3D%3D%26rs%3DAOn4CLAsramwdHxnszh7WBMIs31kJNNS7A&key=61d05c9d54e8455ea7a9677c366be814&type=text%2Fhtml&schema=youtube&wmode=opaque&enablejsapi=1
87365
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https://cdn.embedly.com/widgets/media.html?src=http%3A%2F%2Fwww.youtube.com%2Fembed%2Fvideoseries%3Flist%3DPLqhIRO8y9HlBS8EAC16sKCfpWB2A6GlK6&display_name=YouTube&url=https%3A%2F%2Fwww.youtube.com%2Fplaylist%3Flist%3DPLqhIRO8y9HlBS8EAC16sKCfpWB2A6GlK6&image=https%3A%2F%2Fi.ytimg.com%2Fvi%2F_GWu7_-J4wE%2Fhqdefault.jpg%3Fsqp%3D-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ%3D%3D%26rs%3DAOn4CLAZ75xCei-4Vr4UjUIpWi2sdeqZYA&key=61d05c9d54e8455ea7a9677c366be814&type=text%2Fhtml&schema=youtube&wmode=opaque&enablejsapi=1
87362
48767
https://cdn.embedly.com/widgets/media.html?src=http%3A%2F%2Fwww.youtube.com%2Fembed%2Fvideoseries%3Flist%3DPLqhIRO8y9HlCKkNYzAyM9eHwGZAl89D8i&display_name=YouTube&url=https%3A%2F%2Fwww.youtube.com%2Fplaylist%3Flist%3DPLqhIRO8y9HlCKkNYzAyM9eHwGZAl89D8i&image=https%3A%2F%2Fi.ytimg.com%2Fvi%2F7QaH1fkLYVc%2Fhqdefault.jpg%3Fsqp%3D-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ%3D%3D%26rs%3DAOn4CLBCvwuMwL7FcTsGQ8T6ZeVYAY3Jmg&key=61d05c9d54e8455ea7a9677c366be814&type=text%2Fhtml&schema=youtube&wmode=opaque&enablejsapi=1
87309
48738
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-48e41544b77f688bf85c6-min.en-US.js
193337
46379
https://assets.squarespace.com/universal/scripts-compressed/moment-js-vendor-26ddeab7fa5f90b6c8cb3-min.en-US.js
46634
43540
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-stable-db6e1a9e95959c0432ba5-min.en-US.js
78639
36180
https://www.youtube.com/s/player/2a6f5e06/www-embed-player.vflset/www-embed-player.js
66161
34435
https://www.facebook.com/rsrc.php/v3iEpO4/yP/l/en_US/x_aSMSxTxzY.js?_nc_x=Ij3Wp8lg5Kz
36587
33225
https://www.youtube.com/s/player/2a6f5e06/www-widgetapi.vflset/www-widgetapi.js
43463
31274
https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/site-bundle.1e9afc848591f465264e741723cca52d.js
57125
23270

Diagnostics

Avoid enormous network payloads — Total size was 5,108 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
https://www.youtube.com/s/player/2a6f5e06/player_ias.vflset/en_US/base.js
480305
https://www.youtube.com/s/player/2a6f5e06/player_ias.vflset/en_US/base.js
480182
https://www.youtube.com/s/player/2a6f5e06/player_ias.vflset/en_US/base.js
480182
https://www.gstatic.com/recaptcha/releases/6OAif-f8nYV0qSFmq-D6Qssr/recaptcha__en.js
352136
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-48e41544b77f688bf85c6-min.en-US.js
193337
https://assets.squarespace.com/universal/scripts-compressed/common-3311b727f642a44e067d9-min.en-US.js
192369
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https://www.gstatic.com/recaptcha/releases/6OAif-f8nYV0qSFmq-D6Qssr/recaptcha__en.js
137781
https://static1.squarespace.com/static/5e74322153980d7786e4455a/t/5e8250a6a0925c10aa8571ff/1585598630743/National2Narrow-Regular.otf
113092
https://cdn.embedly.com/widgets/media.html?src=http%3A%2F%2Fwww.youtube.com%2Fembed%2Fvideoseries%3Flist%3DPLqhIRO8y9HlBVyzf3ktM4ty5pYiuoH5iD&display_name=YouTube&url=https%3A%2F%2Fwww.youtube.com%2Fplaylist%3Flist%3DPLqhIRO8y9HlBVyzf3ktM4ty5pYiuoH5iD&image=https%3A%2F%2Fi.ytimg.com%2Fvi%2FdhpJ_SfNq34%2Fhqdefault.jpg%3Fsqp%3D-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ%3D%3D%26rs%3DAOn4CLAsramwdHxnszh7WBMIs31kJNNS7A&key=61d05c9d54e8455ea7a9677c366be814&type=text%2Fhtml&schema=youtube&wmode=opaque&enablejsapi=1
101628
Serve static assets with an efficient cache policy — 48 resources found
Jazz.org can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Transfer Size (Bytes)
https://js.adsrvr.org/up_loader.1.1.0.js
0
5071
https://js.adsrvr.org/universal_pixel.1.1.0.js
0
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https://assets.squarespace.com/universal/scripts-compressed/common-vendors-48e41544b77f688bf85c6-min.en-US.js
900000
193337
https://assets.squarespace.com/universal/scripts-compressed/common-3311b727f642a44e067d9-min.en-US.js
900000
192369
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-stable-db6e1a9e95959c0432ba5-min.en-US.js
900000
78639
https://assets.squarespace.com/universal/scripts-compressed/moment-js-vendor-26ddeab7fa5f90b6c8cb3-min.en-US.js
900000
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https://assets.squarespace.com/universal/images-v6/damask/play-button.png
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https://static.doubleclick.net/instream/ad_status.js
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Minimize main-thread work — 4.2 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
2516.327
Other
511.25699999999
Script Parsing & Compilation
359.081
Style & Layout
340.959
Garbage Collection
203.576
Parse HTML & CSS
146.846
Rendering
117.866
Ensure text remains visible during webfont load
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
URL Potential Savings (Ms)
https://use.typekit.net/af/6161d4/00000000000000007735ba1e/30/l?subset_id=2&fvd=n5&v=3
78.603999922052
https://static1.squarespace.com/static/5e74322153980d7786e4455a/t/5e836959e69fb92ceab87f21/1585670489739/TungstenCond-Medium.otf
82.064000074752
https://use.typekit.net/af/b89a53/00000000000000007735ba1d/30/l?subset_id=2&fvd=n3&v=3
23.816000088118
https://static1.squarespace.com/static/5e74322153980d7786e4455a/t/5e8250a6a0925c10aa8571ff/1585598630743/National2Narrow-Regular.otf
34.909999929368
https://use.typekit.net/af/578a9d/00000000000000007735ba14/30/l?subset_id=2&fvd=n7&v=3
23.962000035681
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
2.7339999796823
https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmEU9fBBc4AMP6lQ.woff2
3.5700000589713
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
2.6610000059009
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
2.7610000688583
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
4.5309999259189
Reduce the impact of third-party code — Third-party code blocked the main thread for 780 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
SHOW DETAILS
2040229
558.338
SHOW DETAILS
890391
212.235
SHOW DETAILS
519283
14.349
SHOW DETAILS
432073
0
SHOW DETAILS
304816
0
SHOW DETAILS
73215
0
SHOW DETAILS
66801
0
SHOW DETAILS
57533
0
SHOW DETAILS
56347
0
SHOW DETAILS
26203
0
SHOW DETAILS
20860
0
SHOW DETAILS
9631
0
SHOW DETAILS
2448
0
SHOW DETAILS
1877
0
SHOW DETAILS
1541
0
SHOW DETAILS
880
0
Some third-party resources can be lazy loaded with a facade — 1 facade alternative available
Consider replacing third-party embeds with a facade until they are required (use lazy loading).
Product Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
YouTube Embedded Player (Video)
2040229
558.338
Does not use passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
Source
SHOW DETAILS
SHOW DETAILS
Image elements do not have explicit `width` and `height`
Reduce layout shifts and improve CLS by setting explicit width and height properties on image elements.
URL Failing Elements
https://static1.squarespace.com/static/5e74322153980d7786e4455a/t/5e8367d2a5cc5d762ac46942/1623252594678/?format=1500w
Jazz at Lincoln Center
https://pbs.twimg.com/profile_images/467342151018229760/XW0YnauF_normal.jpeg
img
https://pbs.twimg.com/profile_images/467342151018229760/XW0YnauF_normal.jpeg
img
https://pbs.twimg.com/profile_images/467342151018229760/XW0YnauF_normal.jpeg
img
https://pbs.twimg.com/profile_images/467342151018229760/XW0YnauF_normal.jpeg
img
https://pbs.twimg.com/profile_images/467342151018229760/XW0YnauF_normal.jpeg
img
https://pbs.twimg.com/profile_images/467342151018229760/XW0YnauF_normal.jpeg
img
84

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of jazz.org. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`button`, `link`, and `menuitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
ARIA `meter` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `progressbar` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
ARIA `tooltip` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `treeitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
Form elements have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
`<object>` elements have `[alt]` text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Jazz.org may provide assistance to deaf or hearing-impaired users with captions on videos.

Contrast

Background and foreground colors do not have a sufficient contrast ratio.
Many (if not most) users find low-contrast text difficult or impossible to read.
Failing Elements
digital programming
Live From Dizzy's 
WeBop
Swing University
archival orchestra concerts
Blue Engine
supporting
supporting
Membership
Rhythm Club!
Privacy Policy
Terms of Service
Terms of Service
Privacy Policy
jazz.org

Names and labels

`<frame>` or `<iframe>` elements do not have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
Failing Elements
iframe
Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
img
img
img
img
img
img
img
Links do not have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.

Navigation

Heading elements are not in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
Failing Elements
INTERESTED IN LEARNING ABOUT OTHER WAYS YOU CAN SUPPORT JALC?
Some elements have a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.
Failing Elements
Skip to Content

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
73

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that jazz.org should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids front-end JavaScript libraries with known security vulnerabilities
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Ensure CSP is effective against XSS attacks
Significantly reduce the risk of cross-site scripting attacks (XSS) by ensuring you have a strong Content Security Policy (CSP).
Description Directive Severity
No CSP found in enforcement mode
High

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Displays images with correct aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
Serves images with appropriate resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.
Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Page has the HTML doctype
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.
Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Avoids Application Cache
Application cache is deprecated and is no longer recommended.
Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
YUI 3
3.17.2
Modernizr
2.8.3
core-js
core-js-global@3.6.5; core-js-global@3.10.1; core-js-pure@2.6.11; core-js-global@3.6.5; core-js-pure@2.6.11; core-js-pure@3.0.0; core-js-global@3.6.5; core-js-global@3.10.1; core-js-pure@2.6.11
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.
Page has valid source maps
Consider deploying source maps for added benefits such as the ability to debug while in production.
URL Map URL
https://assets.squarespace.com/universal/scripts-compressed/performance-0add3f16b92e7b8855b50-min.en-US.js
https://sourcemaps.squarespace.net/universal/scripts-compressed/performance-ab14df3e45ccf3808dbc8-min.en-US.js.map
https://assets.squarespace.com/universal/scripts-compressed/moment-js-vendor-26ddeab7fa5f90b6c8cb3-min.en-US.js
https://sourcemaps.squarespace.net/universal/scripts-compressed/moment-js-vendor-bb9b0ee2344d65e8ab94f-min.en-US.js.map
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-stable-db6e1a9e95959c0432ba5-min.en-US.js
https://sourcemaps.squarespace.net/universal/scripts-compressed/common-vendors-stable-08a8d3fabcb9797b5e8dd-min.en-US.js.map
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-48e41544b77f688bf85c6-min.en-US.js
https://sourcemaps.squarespace.net/universal/scripts-compressed/common-vendors-5311928f582d9a68370ba-min.en-US.js.map
https://assets.squarespace.com/universal/scripts-compressed/common-3311b727f642a44e067d9-min.en-US.js
https://sourcemaps.squarespace.net/universal/scripts-compressed/common-be9580d2bf09eb52157d4-min.en-US.js.map
https://assets.squarespace.com/universal/scripts-compressed/cldr-resource-pack-7d6dc599f0e9e5882dcca-min.en-US.js
https://sourcemaps.squarespace.net/universal/scripts-compressed/cldr-resource-pack-440368c3fe5e85842ecd8-min.en-US.js.map
https://assets.squarespace.com/universal/scripts-compressed/announcement-bar-82f255bfca0a9c6697cdc-min.en-US.js
https://sourcemaps.squarespace.net/universal/scripts-compressed/announcement-bar-cb120b51da9650ba1281b-min.en-US.js.map
No issues in the `Issues` panel in Chrome Devtools
There may be unresolved issues logged to Chrome Devtools.

Audits

Does not use HTTPS — 2 insecure requests found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL Request Resolution
http://jazz.org/
Allowed
http://www.jazz.org/
Allowed
Links to cross-origin destinations are unsafe
Improve performance and prevent security vulnerabilities by adding rel="noopener" and rel="noreferrer" to external links.

Audits

Registers an `unload` listener
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.
Source
SHOW DETAILS
Browser errors were logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
Source Description
SHOW DETAILS
ErrorUtils caught an error: Minified invariant #11797; Params: 113 [Caught in: Module "VisibilityListener"] Subsequent non-fatal errors won't be logged; see https://fburl.com/debugjs.
83

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for jazz.org. This includes optimizations such as providing meta data.

Mobile Friendly

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of jazz.org on mobile screens.
Document uses legible font sizes
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Tap targets are sized appropriately
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Document has a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Links are crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Content Best Practices

Links do not have descriptive text — 1 link found
Make use of descriptive link text to assist search engines in understanding the content.
Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
img
img
img
img
img
img
img

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
36

Progressive Web App

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of jazz.org. This includes details about web app manifests.

PWA Optimized

Redirects HTTP traffic to HTTPS
It is advised to redirect all HTTP traffic to HTTPS, in order to enable secure web features for all users.
Content is sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of jazz.org on mobile screens.

Installable

Web app manifest or service worker do not meet the installability requirements — 1 reason
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.
Failure reason
No manifest was fetched

PWA Optimized

Does not register a service worker that controls page and `start_url`
A service worker is used to provide Progressive Web Apps the use of features such as working offline, the ability for the app to be added to the homescreen as well as push notifications.
Is not configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data
Does not set a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data
Does not provide a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.
Manifest doesn't have a maskable icon
Maskable icons are great to ensure that images fill the entire shape when installing the app on a device.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.
Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.
Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.
Avg. (All Categories) 60
Performance 14
Accessibility 84
Best Practices 73
SEO 85
Progressive Web App 42
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
URL: https://2021.jazz.org/
Updated: 15th June, 2021

2.32 seconds
First Contentful Paint (FCP)
64%
21%
15%

0.02 seconds
First Input Delay (FID)
91%
5%
4%

Simulate loading on mobile
14

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for jazz.org. This includes details about optimizing page load times which can result in a better user experience.

Opportunities

Minify CSS
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Jazz.org should consider minifying CSS files.
Minify JavaScript
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Jazz.org should consider minifying JS files.
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Initial server response time was short — Root document took 290 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.
URL Time Spent (Ms)
https://2021.jazz.org/
288.762
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. Jazz.org should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.
Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.
Avoid serving legacy JavaScript to modern browsers — Potential savings of 83 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.
URL Potential Savings (Bytes)
https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/site-bundle.1e9afc848591f465264e741723cca52d.js
16120
https://www.facebook.com/rsrc.php/v3/yY/r/sOpMLfAgUuL.js?_nc_x=Ij3Wp8lg5Kz
15746
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-48e41544b77f688bf85c6-min.en-US.js
12211
https://assets.squarespace.com/universal/scripts-compressed/common-3311b727f642a44e067d9-min.en-US.js
11883
https://connect.facebook.net/signals/config/683127435041827?v=2.9.41&r=stable
11731
https://connect.facebook.net/signals/config/545374542247579?v=2.9.41&r=stable
11721
https://assets.squarespace.com/universal/scripts-compressed/announcement-bar-82f255bfca0a9c6697cdc-min.en-US.js
5914
https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/magic-padding-controller.b1d439b86586bd79e9f5.js
75
https://connect.facebook.net/en_US/fbevents.js
44

Diagnostics

Avoids an excessive DOM size — 723 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
723
Maximum DOM Depth
<img src="https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455…
26
Maximum Child Elements
body
28
Avoid chaining critical requests — 6 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Jazz.org should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures — 15 user timings
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
Name Type Start Time (Ms) Duration (Ms)
mark_pe
Mark
3117.383
mark_pe
Mark
3224.2
mark_pe
Mark
3309.149
mark_fs
Mark
3370.078
mark_ep_pr_s
Mark
3381.44
mark_ep_pr_r
Mark
3381.754
mark_qoes
Mark
3387.475
mark_fs
Mark
3618.978
mark_ep_pr_s
Mark
3638.281
mark_ep_pr_r
Mark
3638.615
mark_qoes
Mark
3645.941
mark_fs
Mark
3751.052
mark_ep_pr_s
Mark
3765.91
mark_ep_pr_r
Mark
3766.229
mark_qoes
Mark
3772.472
Keep request counts low and transfer sizes small — 166 requests • 5,789 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
166
5928404
Script
57
3311706
Image
44
1566651
Document
14
454620
Stylesheet
7
280492
Font
10
261423
Other
34
53512
Media
0
0
Third-party
149
5849376
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
img
Avoid large layout shifts — 5 elements found
Below is a list of all DOM elements that contribute to the CLS of the page.
Element CLS Contribution
ALL NEW PROGRAMS, ONLINE EVERYDAY Thank you for your continued support of Jazz…
0.12426384553756
EXPLORE THE VIRTUAL SEASON
0.060246809857783
EXPLORE THE VIRTUAL SEASON
0.031419817251176
Skip to Content Open Menu
0.023659057617187
Thank you for your continued support of Jazz at Lincoln Center. Due to the ongo…
0.0088651645901798
Avoids `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
Avoid long main-thread tasks — 20 long tasks found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-48e41544b77f688bf85c6-min.en-US.js
12825
1063
https://www.youtube.com/s/player/2a6f5e06/player_ias.vflset/en_US/base.js
40308
676
https://www.youtube.com/s/player/2a6f5e06/player_ias.vflset/en_US/base.js
40984
667
https://www.youtube.com/s/player/2a6f5e06/player_ias.vflset/en_US/base.js
41651
635
https://www.youtube.com/s/player/2a6f5e06/www-embed-player.vflset/www-embed-player.js
39112
485
https://www.gstatic.com/recaptcha/releases/6OAif-f8nYV0qSFmq-D6Qssr/recaptcha__en.js
23122
462
https://www.youtube.com/s/player/2a6f5e06/player_ias.vflset/en_US/base.js
37764
461
https://www.youtube.com/s/player/2a6f5e06/player_ias.vflset/en_US/base.js
38225
335
https://www.youtube.com/s/player/2a6f5e06/player_ias.vflset/en_US/base.js
38560
328
https://www.gstatic.com/recaptcha/releases/6OAif-f8nYV0qSFmq-D6Qssr/recaptcha__en.js
23584
308
https://cdn.embedly.com/widgets/media.html?src=http%3A%2F%2Fwww.youtube.com%2Fembed%2Fvideoseries%3Flist%3DPLqhIRO8y9HlBS8EAC16sKCfpWB2A6GlK6&display_name=YouTube&url=https%3A%2F%2Fwww.youtube.com%2Fplaylist%3Flist%3DPLqhIRO8y9HlBS8EAC16sKCfpWB2A6GlK6&image=https%3A%2F%2Fi.ytimg.com%2Fvi%2F_GWu7_-J4wE%2Fhqdefault.jpg%3Fsqp%3D-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ%3D%3D%26rs%3DAOn4CLAZ75xCei-4Vr4UjUIpWi2sdeqZYA&key=61d05c9d54e8455ea7a9677c366be814&type=text%2Fhtml&schema=youtube&wmode=opaque&enablejsapi=1
17803
281
https://www.youtube.com/s/player/2a6f5e06/www-embed-player.vflset/www-embed-player.js
39597
251
https://cdn.embedly.com/widgets/media.html?src=http%3A%2F%2Fwww.youtube.com%2Fembed%2Fvideoseries%3Flist%3DPLqhIRO8y9HlCKkNYzAyM9eHwGZAl89D8i&display_name=YouTube&url=https%3A%2F%2Fwww.youtube.com%2Fplaylist%3Flist%3DPLqhIRO8y9HlCKkNYzAyM9eHwGZAl89D8i&image=https%3A%2F%2Fi.ytimg.com%2Fvi%2F7QaH1fkLYVc%2Fhqdefault.jpg%3Fsqp%3D-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ%3D%3D%26rs%3DAOn4CLBCvwuMwL7FcTsGQ8T6ZeVYAY3Jmg&key=61d05c9d54e8455ea7a9677c366be814&type=text%2Fhtml&schema=youtube&wmode=opaque&enablejsapi=1
18084
250
https://cdn.embedly.com/widgets/media.html?src=http%3A%2F%2Fwww.youtube.com%2Fembed%2Fvideoseries%3Flist%3DPLqhIRO8y9HlBVyzf3ktM4ty5pYiuoH5iD&display_name=YouTube&url=https%3A%2F%2Fwww.youtube.com%2Fplaylist%3Flist%3DPLqhIRO8y9HlBVyzf3ktM4ty5pYiuoH5iD&image=https%3A%2F%2Fi.ytimg.com%2Fvi%2FdhpJ_SfNq34%2Fhqdefault.jpg%3Fsqp%3D-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ%3D%3D%26rs%3DAOn4CLAsramwdHxnszh7WBMIs31kJNNS7A&key=61d05c9d54e8455ea7a9677c366be814&type=text%2Fhtml&schema=youtube&wmode=opaque&enablejsapi=1
18334
249
https://www.facebook.com/rsrc.php/v3/yY/r/sOpMLfAgUuL.js?_nc_x=Ij3Wp8lg5Kz
8550
228
https://www.youtube.com/s/player/2a6f5e06/www-embed-player.vflset/www-embed-player.js
38888
224
https://2021.jazz.org/
630
222
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-48e41544b77f688bf85c6-min.en-US.js
15838
203
https://assets.squarespace.com/universal/scripts-compressed/announcement-bar-82f255bfca0a9c6697cdc-min.en-US.js
16168
173
https://connect.facebook.net/signals/config/683127435041827?v=2.9.41&r=stable
13888
151
Avoid non-composited animations
It is recommended to avoid non-composited animations which are often janky and increase CLS.

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Other

Network Requests
Below is a list of network requests that were made during page load.
URL Protocol Start Time (Ms) End Time (Ms) Transfer Size (Bytes) Resource Size (Bytes) Status Code MIME Type Resource Type
http://jazz.org/
http/1.1
0
39.952999999514
318
0
301
text/html
http://www.jazz.org/
http/1.1
40.426000006846
79.89200000884
319
0
301
text/html
https://www.jazz.org/
http/1.1
80.345000009402
196.36000000173
297
0
302
text/html
https://2021.jazz.org/
h2
196.87400000112
484.638000009
38174
240721
200
text/html
Document
https://use.typekit.net/ik/xNIs2DyKak35KHrGgL6f3zIe-Dl_JmnvhVh22TcoLfwfeGMIfFHN4UJLFRbh52jhWDm8FDbDwRJUFQwo52gqFDStFc9XF29ujs7sMkG0jAFu-WsoShFGZAsude80ZkoRdhXCHKoyjamTiY8Djhy8ZYmC-Ao1Oco8if37OcBDOcu8OfG0-cBEpcBXde80jhNCdcF8d1s8SKoDSWmyScmDSeBRZPoRdhXCHKoDSWmyScmDSeBRZWFR-emqiAUTdcS0jhNlO2J3wRI0-cBEpKozScSCjAFu-WsoShFGZAsude80ZkoRdhXCjAFu-WsoShFGZAsude80Zko0ZWbCjWw0dA9C-cBEpcBXde80jhNCdcF8d1s8SKoDSWmyScmDSeBRZPoRdhXCdeNRjAUGdaFXOYFUiABkZWF3jAF8ShFGZAsude80ZkoRdhXCiaiaORJ3wRI0-cBEpKozScSCiaiaOcBRiA8XpWFR-emqiAUTdcS0jhNlOYiaikoyjamTiY8Djhy8ZYmC-Ao1Oco8ifUaiaS0jWw0dA9CiaiaOcTyp1TyieUTdcFzdeoRZAoXZWJ0SaBujW48Sagyjh90jhNlOYiaikoDSWmyScmDSeBRZWFR-emqiAUTdcS0jhNlJyTTiewljWZyd1blZhBkZe9lZhNX-e8ROWgkdkGHfOPDMyMMeMw6MKGHfOADMyMMeM96MKGHfO5DMyMMeMS6MTMg3iW266j.js
h2
499.94100000185
577.27000000887
7231
17390
200
text/javascript
Script
https://assets.squarespace.com/universal/scripts-compressed/moment-js-vendor-26ddeab7fa5f90b6c8cb3-min.en-US.js
http/1.1
500.31200000376
584.5330000011
46634
257746
200
text/javascript
Script
https://assets.squarespace.com/universal/scripts-compressed/cldr-resource-pack-7d6dc599f0e9e5882dcca-min.en-US.js
http/1.1
578.58600000327
884.3280000001
25318
121795
200
text/javascript
Script
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-stable-db6e1a9e95959c0432ba5-min.en-US.js
http/1.1
607.35200000636
696.75000000279
78639
249988
200
text/javascript
Script
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-48e41544b77f688bf85c6-min.en-US.js
http/1.1
607.68800000369
955.52400000452
193337
707375
200
text/javascript
Script
https://assets.squarespace.com/universal/scripts-compressed/common-3311b727f642a44e067d9-min.en-US.js
http/1.1
607.91900000186
703.16699999967
192369
794959
200
text/javascript
Script
https://assets.squarespace.com/universal/scripts-compressed/performance-0add3f16b92e7b8855b50-min.en-US.js
http/1.1
608.03699999815
691.49800000014
14035
45386
200
text/javascript
Script
https://static1.squarespace.com/static/versioned-site-css/5e74322153980d7786e4455a/237/5c5a519771c10ba3470d8101/5e74322153980d7786e44574/1069/site.css
h2
501.10400000995
555.8549999987
79686
743361
200
text/css
Stylesheet
https://connect.facebook.net/en_US/sdk.js
h2
608.18300000392
621.44600000465
2926
3224
200
application/x-javascript
Script
https://static1.squarespace.com/static/5e74322153980d7786e4455a/t/5e8367d2a5cc5d762ac46942/1623252594678/?format=1500w
http/1.1
608.39100000157
755.48000000708
835
0
301
image/png
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1612277796591-W9LYBQVOVTMUPOZU1REC/ke17ZwdGBToddI8pDm48kG0RcNvaVV7Mrk0_-FR2ft4UqsxRUqqbr1mOJYKfIPR7LoDQ9mXPOjoJoqy81S2I8N_N4V1vUb5AoIIIbLZhVYy7Mythp_T-mtop-vrsUOmeInPi9iDjx9w8K4ZfjXt2dqal85aQuGhgN3CgqOJReMToI4lhrPp53oPfVZm6tWWEbSexTd1-frD7527z4SM9QQ/colorbg.jpg?format=1000w
h2
608.65600001125
658.36800000397
33603
33074
200
image/jpeg
Image
https://pbs.twimg.com/profile_images/467342151018229760/XW0YnauF_normal.jpeg
h2
608.77400000754
624.39399999857
2448
1731
200
image/jpeg
Image
https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/site-bundle.1e9afc848591f465264e741723cca52d.js
h2
608.89600000519
705.46700000705
56978
200569
200
application/javascript
Script
https://www.googletagmanager.com/gtm.js?id=GTM-W29B53Z
h2
609.52399999951
634.40300000366
40259
108488
200
application/javascript
Script
https://www.googletagmanager.com/gtm.js?id=GTM-NGTT5HB
h2
609.8009999987
622.44200000714
32957
82191
200
application/javascript
Script
https://use.typekit.net/af/6161d4/00000000000000007735ba1e/30/l?subset_id=2&fvd=n5&v=3
h2
625.06800000847
651.72900000471
16466
16148
200
application/font-woff2
Font
https://static1.squarespace.com/static/5e74322153980d7786e4455a/t/5e836959e69fb92ceab87f21/1585670489739/TungstenCond-Medium.otf
h2
625.64399999974
654.74900000845
42425
42008
200
application/x-font-otf
Font
https://use.typekit.net/af/b89a53/00000000000000007735ba1d/30/l?subset_id=2&fvd=n3&v=3
h2
631.78300000436
657.54800000286
15546
15228
200
application/font-woff2
Font
https://www.facebook.com/plugins/page.php?href=https%3A%2F%2Fwww.facebook.com%2Fjazzatlincolncenter%2F&tabs=timeline&width=100%25&height=0&small_header=false&adapt_container_width=false&hide_cover=false&show_facepile=false&appId
h2
653.22800001013
718.06800000195
13714
42743
200
text/html
Document
https://assets.squarespace.com/universal/images-v6/damask/play-button@2x.png
http/1.1
664.62400001183
746.91600000369
3277
2909
200
image/png
Image
https://static1.squarespace.com/static/5e74322153980d7786e4455a/t/5e8250a6a0925c10aa8571ff/1585598630743/National2Narrow-Regular.otf
h2
665.48799999873
717.11199999845
113092
270316
200
application/x-font-otf
Font
https://images.squarespace-cdn.com/content/5e74322153980d7786e4455a/1585670098159-J27WN7MF8K7SVD26GYMZ/jalc-white.png?content-type=image%2Fpng
http/1.1
755.9190000029
843.03299999738
8623
8248
200
image/png
Image
https://connect.facebook.net/en_US/sdk.js?hash=5019f670e953786eb5425527721da78d&ua=modern_es6
h2
766.79700000386
790.28600000311
75721
252437
200
application/x-javascript
Script
https://www.googleadservices.com/pagead/conversion_async.js
h2
827.13600000716
838.48299999954
14766
36750
200
text/javascript
Script
https://connect.facebook.net/en_US/fbevents.js
h2
829.03600001009
844.45200000482
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Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
495.369
7.725
565.607
5.362
585.729
34.812
620.555
27.369
650.35
6.636
660.14
48.55
722.112
37.771
763.166
8.26
775.905
14.501
795.311
10.289
806.478
8.11
819.471
18.285
837.772
18.138
871.761
17.864
895.483
16.045
911.541
10.731
922.359
33.126
955.533
16.466
973.306
22.327
1008.925
16.574
1035.93
56.972
1096.802
531.709
1628.605
5.255
1636.966
12.48
1654.426
6.993
1674.664
37.648
1720.66
5.827
1733.317
8.729
1743.075
55.381
1798.469
7.751
1830.131
27.817
1866.115
8.614
1875.908
101.707
1996.319
86.392
2082.83
9.193
2096.53
7.502
2113.741
6.259
2121.078
14.534
2159.288
37.669
2226.332
5.544
2234.674
6.808
2242.694
70.229
2318.958
62.427
2381.418
62.259
2449.485
11.176
2466.31
5.741
2495.99
11.696
2510.976
115.419
2626.492
7.158
2633.703
7.713
2644.088
12.777
2656.904
11.202
2673.483
6.091
2692.852
77
2782.472
8.064
2790.561
7.04
2798.587
29.05
2830.556
5.915
2836.599
14.645
2870.949
5.263
2878.272
7.907
2887.575
5.061
2915.785
14.608
2936.831
22.308
2962.343
14.184
2976.829
5.705
2983.392
19.223
3002.831
6.896
3013.93
13.32
3027.604
115.263
3145.358
16.047
3166.365
83.642
3252.148
81.981
3337.416
112.033
3449.533
7.494
3457.314
6.806
3467.72
242.495
3710.329
5.968
3720.404
125.699
3846.197
8.261
3866.564
7.842
3890.842
7.74
3902.886
7.123
3912.753
7.491
3925.194
13.592
3938.808
8.476
3948.029
11.457
3960.182
9.85
3970.834
11.203
3982.077
11.344
3997.222
8.212
4006.225
169.045
4178.106
166.706
4351.185
158.748
4512.814
5.51
4518.49
7.117
4525.75
9.28
4605.577
5.528
4652.194
7.105
4659.588
8.394
4706.791
9.074
5037.282
5.856
5043.153
5.804
5465.435
6.959
5942.736
16.133
5964.302
16.102
5987.504
16.199
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data
Script Treemap Data
Provide as required, for treemap app.

Metrics

Cumulative Layout Shift — 0.133
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Opportunities

Efficiently encode images — Potential savings of 58 KiB
Unoptimized images can consume more cellular data than what is necessary.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1604956872211-U9PNQZ0OHMHZZ99X9AR6/ke17ZwdGBToddI8pDm48kNvT88LknE-K9M4pGNO0Iqd7gQa3H78H3Y0txjaiv_0fDoOvxcdMmMKkDsyUqMSsMWxHk725yiiHCCLfrh8O1z5QPOohDIaIeljMHgDF5CVlOqpeNLcJ80NK65_fV7S1USOFn4xF8vTWDNAUBm5ducQhX-V3oVjSmr829Rco4W2Uo49ZdOtO_QXox0_W7i2zEA/home_dizzys.jpg?format=1000w
179849
22762
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33074
15730
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1612277796591-W9LYBQVOVTMUPOZU1REC/ke17ZwdGBToddI8pDm48kG0RcNvaVV7Mrk0_-FR2ft4UqsxRUqqbr1mOJYKfIPR7LoDQ9mXPOjoJoqy81S2I8N_N4V1vUb5AoIIIbLZhVYy7Mythp_T-mtop-vrsUOmeInPi9iDjx9w8K4ZfjXt2dqal85aQuGhgN3CgqOJReMToI4lhrPp53oPfVZm6tWWEbSexTd1-frD7527z4SM9QQ/colorbg.jpg?format=2500w
60689
10764
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1604957269395-XGT8A6FJBIAI8Q5BMPRK/ke17ZwdGBToddI8pDm48kNvT88LknE-K9M4pGNO0Iqd7gQa3H78H3Y0txjaiv_0fDoOvxcdMmMKkDsyUqMSsMWxHk725yiiHCCLfrh8O1z5QPOohDIaIeljMHgDF5CVlOqpeNLcJ80NK65_fV7S1USOFn4xF8vTWDNAUBm5ducQhX-V3oVjSmr829Rco4W2Uo49ZdOtO_QXox0_W7i2zEA/blue-engine.jpg?format=1000w
150988
9867
Enable text compression — Potential savings of 54 KiB
Text-based resources should be served with compression, such as gzip, deflate or brotli.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://2021.jazz.org/api/widget/GetWidgetRendering
32167
27980
https://www.gstatic.com/recaptcha/releases/6OAif-f8nYV0qSFmq-D6Qssr/styles__ltr.css
52867
27062

Metrics

First Contentful Paint — 4.4 s
The time taken for the first image or text on the page to be rendered.
Speed Index — 16.4 s
The time taken for the page contents to be visibly populated.
Largest Contentful Paint — 17.4 s
The timing of the largest text or image that is painted.
Time to Interactive — 38.0 s
The time taken for the page to become fully interactive.
Total Blocking Time — 5,170 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).

Other

Max Potential First Input Delay — 1,060 ms
Users could experience a delay when interacting with the page.
First Meaningful Paint — 5.1 s
The time taken for the primary content of the page to be rendered.
First Contentful Paint (3G) — 9150 ms
The time taken for the first image or text on the page to be rendered while on a 3G network.

Opportunities

Eliminate render-blocking resources — Potential savings of 900 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. Jazz.org should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Transfer Size (Bytes) Potential Savings (Ms)
https://static1.squarespace.com/static/versioned-site-css/5e74322153980d7786e4455a/237/5c5a519771c10ba3470d8101/5e74322153980d7786e44574/1069/site.css
79686
1380
Properly size images — Potential savings of 435 KiB
Images can slow down the page's load time. Jazz.org should consider serving more appropriate-sized images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1617128635749-S9EKOL7DI8QXTJJNW1UA/ke17ZwdGBToddI8pDm48kNvT88LknE-K9M4pGNO0Iqd7gQa3H78H3Y0txjaiv_0fDoOvxcdMmMKkDsyUqMSsMWxHk725yiiHCCLfrh8O1z5QPOohDIaIeljMHgDF5CVlOqpeNLcJ80NK65_fV7S1UbeDbaZv1s3QfpIA4TYnL5Qao8BosUKjCVjCf8TKewJIH3bqxw7fF48mhrq5Ulr0Hg/swingu_social_spring-21_1920x1080.png?format=1000w
641791
198567
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179849
54947
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150988
46129
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1593272368895-B75V2LKUXYFA2N7QEOGU/ke17ZwdGBToddI8pDm48kOyctPanBqSdf7WQMpY1FsRZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZUJFbgE-7XRK3dMEBRBhUpwwQIrqN0bcqL_6-iJCOAA0qwytzcs0JTq1XS2aqVbyK6GtMIM7F0DGeOwCXa63_4k/image-asset.jpeg?format=500w
62164
30473
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1593185348998-YS06V0LB0RYKWMCO9K94/ke17ZwdGBToddI8pDm48kEpVg-ILAPna1wRh-xAJ9fRZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZUJFbgE-7XRK3dMEBRBhUpwEv36x-EUL2-BSQ5feDhwGCbXuJBFqZ-erYzVouT8yOb9TwqchglLQOCYTRn7ZGxI/image-asset.jpeg?format=500w
56659
27774
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1592859280977-LSC9BK4Q9HWHQGPF38OQ/ke17ZwdGBToddI8pDm48kEpVg-ILAPna1wRh-xAJ9fRZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZUJFbgE-7XRK3dMEBRBhUpwEv36x-EUL2-BSQ5feDhwGCbXuJBFqZ-erYzVouT8yOb9TwqchglLQOCYTRn7ZGxI/image-asset.jpeg?format=500w
49881
24452
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1592844391641-QSN9LJCVFR28VQ4C7F6J/ke17ZwdGBToddI8pDm48kEpVg-ILAPna1wRh-xAJ9fRZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZUJFbgE-7XRK3dMEBRBhUpwEv36x-EUL2-BSQ5feDhwGCbXuJBFqZ-erYzVouT8yOb9TwqchglLQOCYTRn7ZGxI/image-asset.jpeg?format=500w
42135
20655
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1593385487911-F8Q1YT0SKT5FUMQBXYHB/ke17ZwdGBToddI8pDm48kEpVg-ILAPna1wRh-xAJ9fRZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZUJFbgE-7XRK3dMEBRBhUpwEv36x-EUL2-BSQ5feDhwGCbXuJBFqZ-erYzVouT8yOb9TwqchglLQOCYTRn7ZGxI/image-asset.jpeg?format=500w
30008
14710
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1593102734608-AKE2N5AGMPVPNTDPNBIH/ke17ZwdGBToddI8pDm48kOdzDdw5b51qd8LWcq9GF9ZZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZUJFbgE-7XRK3dMEBRBhUpwb7kkYSBZ-vesKghH-TzLiRZDvSNo4q94t0OghEso8pDw5dpFNrqxK_jvP4ywHtms/image-asset.jpeg?format=750w
47741
13943
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1612277796591-W9LYBQVOVTMUPOZU1REC/ke17ZwdGBToddI8pDm48kG0RcNvaVV7Mrk0_-FR2ft4UqsxRUqqbr1mOJYKfIPR7LoDQ9mXPOjoJoqy81S2I8N_N4V1vUb5AoIIIbLZhVYy7Mythp_T-mtop-vrsUOmeInPi9iDjx9w8K4ZfjXt2dqal85aQuGhgN3CgqOJReMToI4lhrPp53oPfVZm6tWWEbSexTd1-frD7527z4SM9QQ/colorbg.jpg?format=2500w
60689
9000
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1593363292974-3UCTHSZ1AZC94YXJ7KB4/ke17ZwdGBToddI8pDm48kJ8w_2wiiTy7dHpDtbRzFMBZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZUJFbgE-7XRK3dMEBRBhUpyETNc6IiZBKx0U-U9i6u-vXpjGj2T0uEH9__9_kKdqBwV8EfOdnAmZ7Ufss8HLNgk/image-asset.jpeg?format=500w
52806
4643
Defer offscreen images — Potential savings of 575 KiB
Time to Interactive can be slowed down by resources on the page. Jazz.org should consider lazy-loading offscreen and hidden images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1604957269395-XGT8A6FJBIAI8Q5BMPRK/ke17ZwdGBToddI8pDm48kNvT88LknE-K9M4pGNO0Iqd7gQa3H78H3Y0txjaiv_0fDoOvxcdMmMKkDsyUqMSsMWxHk725yiiHCCLfrh8O1z5QPOohDIaIeljMHgDF5CVlOqpeNLcJ80NK65_fV7S1USOFn4xF8vTWDNAUBm5ducQhX-V3oVjSmr829Rco4W2Uo49ZdOtO_QXox0_W7i2zEA/blue-engine.jpg?format=1000w
150988
150988
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1593272368895-B75V2LKUXYFA2N7QEOGU/ke17ZwdGBToddI8pDm48kOyctPanBqSdf7WQMpY1FsRZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZUJFbgE-7XRK3dMEBRBhUpwwQIrqN0bcqL_6-iJCOAA0qwytzcs0JTq1XS2aqVbyK6GtMIM7F0DGeOwCXa63_4k/image-asset.jpeg?format=500w
62164
62164
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1593185348998-YS06V0LB0RYKWMCO9K94/ke17ZwdGBToddI8pDm48kEpVg-ILAPna1wRh-xAJ9fRZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZUJFbgE-7XRK3dMEBRBhUpwEv36x-EUL2-BSQ5feDhwGCbXuJBFqZ-erYzVouT8yOb9TwqchglLQOCYTRn7ZGxI/image-asset.jpeg?format=500w
56659
56659
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1593363292974-3UCTHSZ1AZC94YXJ7KB4/ke17ZwdGBToddI8pDm48kJ8w_2wiiTy7dHpDtbRzFMBZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZUJFbgE-7XRK3dMEBRBhUpyETNc6IiZBKx0U-U9i6u-vXpjGj2T0uEH9__9_kKdqBwV8EfOdnAmZ7Ufss8HLNgk/image-asset.jpeg?format=500w
52806
52806
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1592931103894-YNLDM8TGZIWCZFECBTWP/ke17ZwdGBToddI8pDm48kN4sYYUd8xDsdhIieJ9vEOJZw-zPPgdn4jUwVcJE1ZvWEtT5uBSRWt4vQZAgTJucoTqqXjS3CfNDSuuf31e0tVGFKU_HmUcoVAHDNBg97IATJgGtzoc9oPa_v6Zq-9SzIWBapIj8uElJPdCivWn6Oj4/image-asset.jpeg?format=500w
51678
51678
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1592859280977-LSC9BK4Q9HWHQGPF38OQ/ke17ZwdGBToddI8pDm48kEpVg-ILAPna1wRh-xAJ9fRZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZUJFbgE-7XRK3dMEBRBhUpwEv36x-EUL2-BSQ5feDhwGCbXuJBFqZ-erYzVouT8yOb9TwqchglLQOCYTRn7ZGxI/image-asset.jpeg?format=500w
49881
49881
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1593102734608-AKE2N5AGMPVPNTDPNBIH/ke17ZwdGBToddI8pDm48kOdzDdw5b51qd8LWcq9GF9ZZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZUJFbgE-7XRK3dMEBRBhUpwb7kkYSBZ-vesKghH-TzLiRZDvSNo4q94t0OghEso8pDw5dpFNrqxK_jvP4ywHtms/image-asset.jpeg?format=750w
47741
47741
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1592844391641-QSN9LJCVFR28VQ4C7F6J/ke17ZwdGBToddI8pDm48kEpVg-ILAPna1wRh-xAJ9fRZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZUJFbgE-7XRK3dMEBRBhUpwEv36x-EUL2-BSQ5feDhwGCbXuJBFqZ-erYzVouT8yOb9TwqchglLQOCYTRn7ZGxI/image-asset.jpeg?format=500w
42135
42135
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1593385487911-F8Q1YT0SKT5FUMQBXYHB/ke17ZwdGBToddI8pDm48kEpVg-ILAPna1wRh-xAJ9fRZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZUJFbgE-7XRK3dMEBRBhUpwEv36x-EUL2-BSQ5feDhwGCbXuJBFqZ-erYzVouT8yOb9TwqchglLQOCYTRn7ZGxI/image-asset.jpeg?format=500w
30008
30008
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1585686903019-6HUNV9NTJDQLQ4NPNX60/ke17ZwdGBToddI8pDm48kO2jrmlR5MX00t5gTqcA0ghZw-zPPgdn4jUwVcJE1ZvWQUxwkmyExglNqGp0IvTJZUJFbgE-7XRK3dMEBRBhUpzLk2MNzVp7oRLlqufj2fUD4HC9gjTqPDtQamDKMqfkZ0wP1Mei4siBluYjCxhLC44/area-map.png?format=1000w
12109
12109
https://i.ytimg.com/vi/qQ__lmCOSeg/hqdefault.jpg?sqp=-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ==&rs=AOn4CLAb4r3bWt8rsX0w-qKnjGuLeWhKZw
7309
7309
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1620747902820-GKCEEKITF5SEOUKHQ57Y/ke17ZwdGBToddI8pDm48kHD1k-ZSn2yUvcW6kuyrKfhZw-zPPgdn4jUwVcJE1ZvWEtT5uBSRWt4vQZAgTJucoTqqXjS3CfNDSuuf31e0tVGMS5CxkISpqnaxJ0ddNcgGjJG4jgCZn4IcwKNwJlbqsltO8nJtk629tZGIWiyY3XQ/21-22__06-cocacola.png?format=1000w
5142
5142
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1620747682233-F04YPJKO5D2FPN00ZBTI/ke17ZwdGBToddI8pDm48kHD1k-ZSn2yUvcW6kuyrKfhZw-zPPgdn4jUwVcJE1ZvWEtT5uBSRWt4vQZAgTJucoTqqXjS3CfNDSuuf31e0tVGMS5CxkISpqnaxJ0ddNcgGjJG4jgCZn4IcwKNwJlbqsltO8nJtk629tZGIWiyY3XQ/21-22__02-grandseiko.png?format=1000w
3688
3688
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1620747623240-212PVX6VNSN6WY19AFXI/ke17ZwdGBToddI8pDm48kHD1k-ZSn2yUvcW6kuyrKfhZw-zPPgdn4jUwVcJE1ZvWEtT5uBSRWt4vQZAgTJucoTqqXjS3CfNDSuuf31e0tVGMS5CxkISpqnaxJ0ddNcgGjJG4jgCZn4IcwKNwJlbqsltO8nJtk629tZGIWiyY3XQ/21-22__01-bloomberg.png?format=1000w
3397
3397
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1620747858831-2EUC7XNORCI85082NF5W/ke17ZwdGBToddI8pDm48kHD1k-ZSn2yUvcW6kuyrKfhZw-zPPgdn4jUwVcJE1ZvWEtT5uBSRWt4vQZAgTJucoTqqXjS3CfNDSuuf31e0tVGMS5CxkISpqnaxJ0ddNcgGjJG4jgCZn4IcwKNwJlbqsltO8nJtk629tZGIWiyY3XQ/21-22__05-steinway.png?format=1000w
3216
3216
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1620747780930-L16FIO5Y3FE353GAYHN9/ke17ZwdGBToddI8pDm48kHD1k-ZSn2yUvcW6kuyrKfhZw-zPPgdn4jUwVcJE1ZvWEtT5uBSRWt4vQZAgTJucoTqqXjS3CfNDSuuf31e0tVGMS5CxkISpqnaxJ0ddNcgGjJG4jgCZn4IcwKNwJlbqsltO8nJtk629tZGIWiyY3XQ/21-22__04-entergy.png?format=1000w
3025
3025
https://assets.squarespace.com/universal/images-v6/damask/play-button@2x.png
2909
2909
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1620747731698-SB9XSSSXS8ABDUBIMBNH/ke17ZwdGBToddI8pDm48kHD1k-ZSn2yUvcW6kuyrKfhZw-zPPgdn4jUwVcJE1ZvWEtT5uBSRWt4vQZAgTJucoTqqXjS3CfNDSuuf31e0tVGMS5CxkISpqnaxJ0ddNcgGjJG4jgCZn4IcwKNwJlbqsltO8nJtk629tZGIWiyY3XQ/21-22__03-conEd.png?format=1000w
2306
2306
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1602002434116-H8YY6QK26FVR8ZUT8WLM/ke17ZwdGBToddI8pDm48kEhZ7W5wmXPo_N75fd5FE9HlfiSMXz2YNBs8ylwAJx2qLijIv1YpVq4N1RMuCCrb3iJz4vYg48fcPCuGX417dnaSTucd0it5pjmUiEHQS34dkLGDrg5Knw9_I5kfd8YA_AoyyEsAbPHhHcQMU6bWQFI/subway-row.png?format=1000w
2075
2075
Reduce unused CSS — Potential savings of 181 KiB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Jazz.org should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://static1.squarespace.com/static/versioned-site-css/5e74322153980d7786e4455a/237/5c5a519771c10ba3470d8101/5e74322153980d7786e44574/1069/site.css
79686
75538
https://www.gstatic.com/recaptcha/releases/6OAif-f8nYV0qSFmq-D6Qssr/styles__ltr.css
53587
50818
https://www.youtube.com/s/player/2a6f5e06/www-player.css
46907
44727
https://cdn.embedly.com/widgets/media.html?src=http%3A%2F%2Fwww.youtube.com%2Fembed%2Fvideoseries%3Flist%3DPLqhIRO8y9HlCKkNYzAyM9eHwGZAl89D8i&display_name=YouTube&url=https%3A%2F%2Fwww.youtube.com%2Fplaylist%3Flist%3DPLqhIRO8y9HlCKkNYzAyM9eHwGZAl89D8i&image=https%3A%2F%2Fi.ytimg.com%2Fvi%2F7QaH1fkLYVc%2Fhqdefault.jpg%3Fsqp%3D-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ%3D%3D%26rs%3DAOn4CLBCvwuMwL7FcTsGQ8T6ZeVYAY3Jmg&key=61d05c9d54e8455ea7a9677c366be814&type=text%2Fhtml&schema=youtube&wmode=opaque&enablejsapi=1
14216
13837
Reduce unused JavaScript — Potential savings of 1,127 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://www.youtube.com/s/player/2a6f5e06/player_ias.vflset/en_US/base.js
480182
355346
https://assets.squarespace.com/universal/scripts-compressed/common-3311b727f642a44e067d9-min.en-US.js
192369
90081
https://www.gstatic.com/recaptcha/releases/6OAif-f8nYV0qSFmq-D6Qssr/recaptcha__en.js
137783
71775
https://connect.facebook.net/signals/config/545374542247579?v=2.9.41&r=stable
76370
71052
https://www.facebook.com/rsrc.php/v3/yY/r/sOpMLfAgUuL.js?_nc_x=Ij3Wp8lg5Kz
88213
60703
https://connect.facebook.net/signals/config/683127435041827?v=2.9.41&r=stable
76624
56136
https://connect.facebook.net/en_US/sdk.js?hash=5019f670e953786eb5425527721da78d&ua=modern_es6
75721
54194
https://cdn.embedly.com/widgets/media.html?src=http%3A%2F%2Fwww.youtube.com%2Fembed%2Fvideoseries%3Flist%3DPLqhIRO8y9HlBS8EAC16sKCfpWB2A6GlK6&display_name=YouTube&url=https%3A%2F%2Fwww.youtube.com%2Fplaylist%3Flist%3DPLqhIRO8y9HlBS8EAC16sKCfpWB2A6GlK6&image=https%3A%2F%2Fi.ytimg.com%2Fvi%2F_GWu7_-J4wE%2Fhqdefault.jpg%3Fsqp%3D-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ%3D%3D%26rs%3DAOn4CLAZ75xCei-4Vr4UjUIpWi2sdeqZYA&key=61d05c9d54e8455ea7a9677c366be814&type=text%2Fhtml&schema=youtube&wmode=opaque&enablejsapi=1
87365
48769
https://cdn.embedly.com/widgets/media.html?src=http%3A%2F%2Fwww.youtube.com%2Fembed%2Fvideoseries%3Flist%3DPLqhIRO8y9HlCKkNYzAyM9eHwGZAl89D8i&display_name=YouTube&url=https%3A%2F%2Fwww.youtube.com%2Fplaylist%3Flist%3DPLqhIRO8y9HlCKkNYzAyM9eHwGZAl89D8i&image=https%3A%2F%2Fi.ytimg.com%2Fvi%2F7QaH1fkLYVc%2Fhqdefault.jpg%3Fsqp%3D-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ%3D%3D%26rs%3DAOn4CLBCvwuMwL7FcTsGQ8T6ZeVYAY3Jmg&key=61d05c9d54e8455ea7a9677c366be814&type=text%2Fhtml&schema=youtube&wmode=opaque&enablejsapi=1
87320
48744
https://cdn.embedly.com/widgets/media.html?src=http%3A%2F%2Fwww.youtube.com%2Fembed%2Fvideoseries%3Flist%3DPLqhIRO8y9HlBVyzf3ktM4ty5pYiuoH5iD&display_name=YouTube&url=https%3A%2F%2Fwww.youtube.com%2Fplaylist%3Flist%3DPLqhIRO8y9HlBVyzf3ktM4ty5pYiuoH5iD&image=https%3A%2F%2Fi.ytimg.com%2Fvi%2FdhpJ_SfNq34%2Fhqdefault.jpg%3Fsqp%3D-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ%3D%3D%26rs%3DAOn4CLAsramwdHxnszh7WBMIs31kJNNS7A&key=61d05c9d54e8455ea7a9677c366be814&type=text%2Fhtml&schema=youtube&wmode=opaque&enablejsapi=1
87317
48742
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-48e41544b77f688bf85c6-min.en-US.js
193337
46379
https://assets.squarespace.com/universal/scripts-compressed/moment-js-vendor-26ddeab7fa5f90b6c8cb3-min.en-US.js
46634
43540
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-stable-db6e1a9e95959c0432ba5-min.en-US.js
78639
36149
https://www.youtube.com/s/player/2a6f5e06/www-embed-player.vflset/www-embed-player.js
66161
34398
https://www.facebook.com/rsrc.php/v3iEpO4/yP/l/en_US/x_aSMSxTxzY.js?_nc_x=Ij3Wp8lg5Kz
36570
33209
https://www.youtube.com/s/player/2a6f5e06/www-widgetapi.vflset/www-widgetapi.js
43464
31274
https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/site-bundle.1e9afc848591f465264e741723cca52d.js
56978
23163
Serve images in next-gen formats — Potential savings of 800 KiB
Consider JPEG 2000, JPEG XR or WebP image formats which provide better compression than PNG and JPEG.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1617128635749-S9EKOL7DI8QXTJJNW1UA/ke17ZwdGBToddI8pDm48kNvT88LknE-K9M4pGNO0Iqd7gQa3H78H3Y0txjaiv_0fDoOvxcdMmMKkDsyUqMSsMWxHk725yiiHCCLfrh8O1z5QPOohDIaIeljMHgDF5CVlOqpeNLcJ80NK65_fV7S1UbeDbaZv1s3QfpIA4TYnL5Qao8BosUKjCVjCf8TKewJIH3bqxw7fF48mhrq5Ulr0Hg/swingu_social_spring-21_1920x1080.png?format=1000w
641791
541555
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Avoid multiple page redirects — Potential savings of 1,740 ms
Redirects can cause additional delays before the page can begin loading. Jazz.org should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
http://jazz.org/
630
http://www.jazz.org/
630
https://www.jazz.org/
480
https://2021.jazz.org/
0
Preload Largest Contentful Paint image — Potential savings of 5,730 ms
It is recommended to preload images used by LCP elements, to improve LCP time.
URL Potential Savings (Ms)
https://images.squarespace-cdn.com/content/v1/5e74322153980d7786e4455a/1612277796591-W9LYBQVOVTMUPOZU1REC/ke17ZwdGBToddI8pDm48kG0RcNvaVV7Mrk0_-FR2ft4UqsxRUqqbr1mOJYKfIPR7LoDQ9mXPOjoJoqy81S2I8N_N4V1vUb5AoIIIbLZhVYy7Mythp_T-mtop-vrsUOmeInPi9iDjx9w8K4ZfjXt2dqal85aQuGhgN3CgqOJReMToI4lhrPp53oPfVZm6tWWEbSexTd1-frD7527z4SM9QQ/colorbg.jpg?format=2500w
5730

Diagnostics

Avoid enormous network payloads — Total size was 5,789 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
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151517
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137783
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137782
Serve static assets with an efficient cache policy — 48 resources found
Jazz.org can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Transfer Size (Bytes)
https://js.adsrvr.org/up_loader.1.1.0.js
0
2405
https://js.adsrvr.org/universal_pixel.1.1.0.js
0
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900000
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900000
78639
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900000
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900000
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900000
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900000
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900000
653
https://connect.facebook.net/signals/config/683127435041827?v=2.9.41&r=stable
1200000
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1200000
76370
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1200000
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https://www.google-analytics.com/analytics.js
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86400000
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86400000
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604800000
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604800000
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https://p.typekit.net/p.gif?s=2&k=646866_5e74322153980d7786e4455a&ht=tk&h=2021.jazz.org&f=39348.39349.39347&a=646866&js=1.20.0&app=typekit&e=js&_=1623785851088
604800000
350
Reduce JavaScript execution time — 11.1 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://www.youtube.com/s/player/2a6f5e06/player_ias.vflset/en_US/base.js
3057.448
2343.932
474.224
https://www.youtube.com/s/player/2a6f5e06/www-embed-player.vflset/www-embed-player.js
2796.272
2104.648
60.608
https://assets.squarespace.com/universal/scripts-compressed/common-3311b727f642a44e067d9-min.en-US.js
1629.064
1315.792
56.404
https://2021.jazz.org/
1326.92
40.008
21.12
Unattributable
1184.072
22.664
0.704
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-48e41544b77f688bf85c6-min.en-US.js
775.88
376.76
47.216
https://www.gstatic.com/recaptcha/releases/6OAif-f8nYV0qSFmq-D6Qssr/recaptcha__en.js
739.524
620.068
71.54
https://www.google.com/recaptcha/enterprise/anchor?ar=1&k=6LeDzNAaAAAAAEkjrk4yKez3Zm1UQ_MANiUGTq7O&co=aHR0cHM6Ly8yMDIxLmphenoub3JnOjQ0Mw..&hl=en&v=6OAif-f8nYV0qSFmq-D6Qssr&size=invisible&cb=74ri4hxiyxzy
420.104
343.24
8.184
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-stable-db6e1a9e95959c0432ba5-min.en-US.js
402.472
250.492
19.2
https://cdn.embedly.com/widgets/media.html?src=http%3A%2F%2Fwww.youtube.com%2Fembed%2Fvideoseries%3Flist%3DPLqhIRO8y9HlBS8EAC16sKCfpWB2A6GlK6&display_name=YouTube&url=https%3A%2F%2Fwww.youtube.com%2Fplaylist%3Flist%3DPLqhIRO8y9HlBS8EAC16sKCfpWB2A6GlK6&image=https%3A%2F%2Fi.ytimg.com%2Fvi%2F_GWu7_-J4wE%2Fhqdefault.jpg%3Fsqp%3D-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ%3D%3D%26rs%3DAOn4CLAZ75xCei-4Vr4UjUIpWi2sdeqZYA&key=61d05c9d54e8455ea7a9677c366be814&type=text%2Fhtml&schema=youtube&wmode=opaque&enablejsapi=1
344.86
176.844
82.432
https://cdn.embedly.com/widgets/media.html?src=http%3A%2F%2Fwww.youtube.com%2Fembed%2Fvideoseries%3Flist%3DPLqhIRO8y9HlBVyzf3ktM4ty5pYiuoH5iD&display_name=YouTube&url=https%3A%2F%2Fwww.youtube.com%2Fplaylist%3Flist%3DPLqhIRO8y9HlBVyzf3ktM4ty5pYiuoH5iD&image=https%3A%2F%2Fi.ytimg.com%2Fvi%2FdhpJ_SfNq34%2Fhqdefault.jpg%3Fsqp%3D-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ%3D%3D%26rs%3DAOn4CLAsramwdHxnszh7WBMIs31kJNNS7A&key=61d05c9d54e8455ea7a9677c366be814&type=text%2Fhtml&schema=youtube&wmode=opaque&enablejsapi=1
313.696
148.196
76.324
https://cdn.embedly.com/widgets/media.html?src=http%3A%2F%2Fwww.youtube.com%2Fembed%2Fvideoseries%3Flist%3DPLqhIRO8y9HlCKkNYzAyM9eHwGZAl89D8i&display_name=YouTube&url=https%3A%2F%2Fwww.youtube.com%2Fplaylist%3Flist%3DPLqhIRO8y9HlCKkNYzAyM9eHwGZAl89D8i&image=https%3A%2F%2Fi.ytimg.com%2Fvi%2F7QaH1fkLYVc%2Fhqdefault.jpg%3Fsqp%3D-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ%3D%3D%26rs%3DAOn4CLBCvwuMwL7FcTsGQ8T6ZeVYAY3Jmg&key=61d05c9d54e8455ea7a9677c366be814&type=text%2Fhtml&schema=youtube&wmode=opaque&enablejsapi=1
308.716
150.14
82.344
https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/site-bundle.1e9afc848591f465264e741723cca52d.js
307.436
153.628
13.44
https://assets.squarespace.com/universal/scripts-compressed/announcement-bar-82f255bfca0a9c6697cdc-min.en-US.js
264.488
168.732
12.668
https://www.googletagmanager.com/gtm.js?id=GTM-NGTT5HB
231.836
208.26
16.796
https://www.youtube.com/s/player/2a6f5e06/www-widgetapi.vflset/www-widgetapi.js
205.228
151.924
37.156
https://www.youtube.com/embed/?list=PLqhIRO8y9HlCKkNYzAyM9eHwGZAl89D8i&listType=playlist&wmode=opaque&widget_referrer=https%3A%2F%2F2021.jazz.org%2F&enablejsapi=1&origin=https%3A%2F%2Fcdn.embedly.com&widgetid=1
189.332
75.052
17.132
https://www.youtube.com/embed/?list=PLqhIRO8y9HlBS8EAC16sKCfpWB2A6GlK6&listType=playlist&wmode=opaque&widget_referrer=https%3A%2F%2F2021.jazz.org%2F&enablejsapi=1&origin=https%3A%2F%2Fcdn.embedly.com&widgetid=1
187.028
73.092
19.296
https://connect.facebook.net/signals/config/683127435041827?v=2.9.41&r=stable
182.36
153.04
21.236
https://www.youtube.com/embed/?list=PLqhIRO8y9HlBVyzf3ktM4ty5pYiuoH5iD&listType=playlist&wmode=opaque&widget_referrer=https%3A%2F%2F2021.jazz.org%2F&enablejsapi=1&origin=https%3A%2F%2Fcdn.embedly.com&widgetid=1
176.904
69.708
15.056
https://www.youtube.com/s/player/2a6f5e06/www-player.css
168.448
0
0
https://www.facebook.com/plugins/page.php?href=https%3A%2F%2Fwww.facebook.com%2Fjazzatlincolncenter%2F&tabs=timeline&width=100%25&height=0&small_header=false&adapt_container_width=false&hide_cover=false&show_facepile=false&appId
153.08
90.616
13.66
https://www.google-analytics.com/analytics.js
149.62
133.016
5.752
https://connect.facebook.net/en_US/sdk.js?hash=5019f670e953786eb5425527721da78d&ua=modern_es6
148.904
100.712
33.508
https://assets.squarespace.com/universal/scripts-compressed/performance-0add3f16b92e7b8855b50-min.en-US.js
112.472
93.824
3.568
https://static1.squarespace.com/static/vta/5c5a519771c10ba3470d8101/scripts/floating-cart.6549e61e5d127ec39f2b.js
111.108
80.656
0.78
https://www.facebook.com/rsrc.php/v3/yY/r/sOpMLfAgUuL.js?_nc_x=Ij3Wp8lg5Kz
105.2
51.68
42.708
https://www.googletagmanager.com/gtm.js?id=GTM-W29B53Z
97.852
77.628
14.88
https://www.google.com/js/th/as_dk2Ge-lO6OLRJW7mVFRXiqxKp3Lnjm_ZQtr0s0_o.js
88.284
74.184
9.136
https://connect.facebook.net/en_US/fbevents.js
65.864
54.712
7.888
https://connect.facebook.net/signals/config/545374542247579?v=2.9.41&r=stable
58.136
30.464
19.76
https://match.adsrvr.org/track/upb/?adv=tit6cr2&ref=https%3A%2F%2F2021.jazz.org%2F&upid=935hmpo&upv=1.1.0
56.22
22.972
4.82
Minimize main-thread work — 16.8 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
9890.9759999999
Other
2222.864
Script Parsing & Compilation
1453.612
Style & Layout
1357.204
Garbage Collection
842.42
Parse HTML & CSS
615.708
Rendering
413.68
Ensure text remains visible during webfont load
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
URL Potential Savings (Ms)
https://use.typekit.net/af/6161d4/00000000000000007735ba1e/30/l?subset_id=2&fvd=n5&v=3
26.660999996238
https://static1.squarespace.com/static/5e74322153980d7786e4455a/t/5e836959e69fb92ceab87f21/1585670489739/TungstenCond-Medium.otf
29.105000008713
https://use.typekit.net/af/b89a53/00000000000000007735ba1d/30/l?subset_id=2&fvd=n3&v=3
25.764999998501
https://static1.squarespace.com/static/5e74322153980d7786e4455a/t/5e8250a6a0925c10aa8571ff/1585598630743/National2Narrow-Regular.otf
51.62399999972
https://use.typekit.net/af/578a9d/00000000000000007735ba14/30/l?subset_id=2&fvd=n7&v=3
22.967999990215
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
2.6530000031926
https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmEU9fBBc4AMP6lQ.woff2
6.680000005872
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
4.3659999937518
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
4.6789999905741
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
13.928999993368
Reduce the impact of third-party code — Third-party code blocked the main thread for 6,290 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
SHOW DETAILS
2038532
3646.108
SHOW DETAILS
891770
1690.792
SHOW DETAILS
331950
301.236
SHOW DETAILS
304777
252.356
SHOW DETAILS
66754
206.56
SHOW DETAILS
431713
86.512
SHOW DETAILS
20860
72.592
SHOW DETAILS
73216
31.448
SHOW DETAILS
57140
0
SHOW DETAILS
56347
0
SHOW DETAILS
27714
0
SHOW DETAILS
7019
0
SHOW DETAILS
2448
0
SHOW DETAILS
1860
0
SHOW DETAILS
696
0
Some third-party resources can be lazy loaded with a facade — 1 facade alternative available
Consider replacing third-party embeds with a facade until they are required (use lazy loading).
Product Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
YouTube Embedded Player (Video)
2038532
3646.108
Does not use passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
Source
SHOW DETAILS
Image elements do not have explicit `width` and `height`
Reduce layout shifts and improve CLS by setting explicit width and height properties on image elements.
URL Failing Elements
https://static1.squarespace.com/static/5e74322153980d7786e4455a/t/5e8367d2a5cc5d762ac46942/1623252594678/?format=1500w
Jazz at Lincoln Center
https://pbs.twimg.com/profile_images/467342151018229760/XW0YnauF_normal.jpeg
img
https://pbs.twimg.com/profile_images/467342151018229760/XW0YnauF_normal.jpeg
img
https://pbs.twimg.com/profile_images/467342151018229760/XW0YnauF_normal.jpeg
img
https://pbs.twimg.com/profile_images/467342151018229760/XW0YnauF_normal.jpeg
img
https://pbs.twimg.com/profile_images/467342151018229760/XW0YnauF_normal.jpeg
img
https://pbs.twimg.com/profile_images/467342151018229760/XW0YnauF_normal.jpeg
img
84

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of jazz.org. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`button`, `link`, and `menuitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
ARIA `meter` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `progressbar` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
ARIA `tooltip` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `treeitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
Form elements have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
`<object>` elements have `[alt]` text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Jazz.org may provide assistance to deaf or hearing-impaired users with captions on videos.

Contrast

Background and foreground colors do not have a sufficient contrast ratio.
Many (if not most) users find low-contrast text difficult or impossible to read.
Failing Elements
digital programming
Live From Dizzy's 
WeBop
Swing University
archival orchestra concerts
Blue Engine
supporting
supporting
Membership
Rhythm Club!
Privacy Policy
Terms of Service
Terms of Service
Privacy Policy
jazz.org

Names and labels

`<frame>` or `<iframe>` elements do not have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
Failing Elements
iframe
Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
img
img
img
img
img
img
img
Links do not have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.

Navigation

Heading elements are not in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
Failing Elements
INTERESTED IN LEARNING ABOUT OTHER WAYS YOU CAN SUPPORT JALC?
Some elements have a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.
Failing Elements
Skip to Content

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
73

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that jazz.org should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids front-end JavaScript libraries with known security vulnerabilities
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Ensure CSP is effective against XSS attacks
Significantly reduce the risk of cross-site scripting attacks (XSS) by ensuring you have a strong Content Security Policy (CSP).
Description Directive Severity
No CSP found in enforcement mode
High

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Displays images with correct aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
Serves images with appropriate resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.
Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Page has the HTML doctype
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.
Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Avoids Application Cache
Application cache is deprecated and is no longer recommended.
Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
YUI 3
3.17.2
Modernizr
2.8.3
core-js
core-js-global@3.6.5; core-js-global@3.10.1; core-js-pure@2.6.11; core-js-global@3.6.5; core-js-pure@2.6.11; core-js-pure@3.0.0; core-js-global@3.6.5; core-js-global@3.10.1; core-js-pure@2.6.11
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.
Page has valid source maps
Consider deploying source maps for added benefits such as the ability to debug while in production.
URL Map URL
https://assets.squarespace.com/universal/scripts-compressed/performance-0add3f16b92e7b8855b50-min.en-US.js
https://sourcemaps.squarespace.net/universal/scripts-compressed/performance-ab14df3e45ccf3808dbc8-min.en-US.js.map
https://assets.squarespace.com/universal/scripts-compressed/moment-js-vendor-26ddeab7fa5f90b6c8cb3-min.en-US.js
https://sourcemaps.squarespace.net/universal/scripts-compressed/moment-js-vendor-bb9b0ee2344d65e8ab94f-min.en-US.js.map
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-stable-db6e1a9e95959c0432ba5-min.en-US.js
https://sourcemaps.squarespace.net/universal/scripts-compressed/common-vendors-stable-08a8d3fabcb9797b5e8dd-min.en-US.js.map
https://assets.squarespace.com/universal/scripts-compressed/common-vendors-48e41544b77f688bf85c6-min.en-US.js
https://sourcemaps.squarespace.net/universal/scripts-compressed/common-vendors-5311928f582d9a68370ba-min.en-US.js.map
https://assets.squarespace.com/universal/scripts-compressed/common-3311b727f642a44e067d9-min.en-US.js
https://sourcemaps.squarespace.net/universal/scripts-compressed/common-be9580d2bf09eb52157d4-min.en-US.js.map
https://assets.squarespace.com/universal/scripts-compressed/cldr-resource-pack-7d6dc599f0e9e5882dcca-min.en-US.js
https://sourcemaps.squarespace.net/universal/scripts-compressed/cldr-resource-pack-440368c3fe5e85842ecd8-min.en-US.js.map
https://assets.squarespace.com/universal/scripts-compressed/announcement-bar-82f255bfca0a9c6697cdc-min.en-US.js
https://sourcemaps.squarespace.net/universal/scripts-compressed/announcement-bar-cb120b51da9650ba1281b-min.en-US.js.map
No issues in the `Issues` panel in Chrome Devtools
There may be unresolved issues logged to Chrome Devtools.

Audits

Does not use HTTPS — 2 insecure requests found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL Request Resolution
http://jazz.org/
Allowed
http://www.jazz.org/
Allowed
Links to cross-origin destinations are unsafe
Improve performance and prevent security vulnerabilities by adding rel="noopener" and rel="noreferrer" to external links.

Audits

Registers an `unload` listener
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.
Source
SHOW DETAILS
Browser errors were logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
Source Description
SHOW DETAILS
ErrorUtils caught an error: Minified invariant #11797; Params: 113 [Caught in: Module "VisibilityListener"] Subsequent non-fatal errors won't be logged; see https://fburl.com/debugjs.
85

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for jazz.org. This includes optimizations such as providing meta data.

Mobile Friendly

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of jazz.org on mobile screens.
Document uses legible font sizes — 99.6% legible text
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Source Selector % of Page Text Font Size
SHOW DETAILS
SHOW DETAILS
0.17%
10px
SHOW DETAILS
SHOW DETAILS
0.09%
10px
SHOW DETAILS
SHOW DETAILS
0.04%
10px
SHOW DETAILS
.rc-anchor-normal .rc-anchor-pt, .rc-anchor-invisible .rc-anchor-pt, .rc-anchor-compact .rc-anchor-pt
0.04%
8px
SHOW DETAILS
.rc-anchor-invisible-text .rc-anchor-pt a:link, .rc-anchor-invisible-text .rc-anchor-pt a:visited
0.03%
10px
SHOW DETAILS
.site-wrapper, .sqs-catalog
0.02%
0px
SHOW DETAILS
99.60%
≥ 12px

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Document has a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Links are crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Mobile Friendly

Tap targets are not sized appropriately — 95% appropriately sized tap targets
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.
Tap Target Size Overlapping Target
a
40x40
a
a
40x40
Instagram

Content Best Practices

Links do not have descriptive text — 1 link found
Make use of descriptive link text to assist search engines in understanding the content.
Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
img
img
img
img
img
img
img

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
42

Progressive Web App

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of jazz.org. This includes details about web app manifests.

PWA Optimized

Redirects HTTP traffic to HTTPS
It is advised to redirect all HTTP traffic to HTTPS, in order to enable secure web features for all users.
Content is sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of jazz.org on mobile screens.

Installable

Web app manifest or service worker do not meet the installability requirements — 1 reason
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.
Failure reason
No manifest was fetched

PWA Optimized

Does not register a service worker that controls page and `start_url`
A service worker is used to provide Progressive Web Apps the use of features such as working offline, the ability for the app to be added to the homescreen as well as push notifications.
Is not configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data
Does not set a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data
Does not provide a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.
Manifest doesn't have a maskable icon
Maskable icons are great to ensure that images fill the entire shape when installing the app on a device.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.
Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.
Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.
Hosting

Server Location

Server IP Address: 54.225.116.209
Continent: North America
Country: United States
United States Flag
Region: Virginia
City: Ashburn
Longitude: -77.4728
Latitude: 39.0481
Currencies: USD
USN
USS
Languages: English

Web Hosting Provider

Name IP Address
Amazon Technologies Inc.
Registration

Domain Registrant

Private Registration: No
Name:
Organization:
Country:
City:
State:
Post Code:
Email:
Phone:
Note: Registration information is derived from various sources and may be inaccurate.

Domain Registrar

Name IP Address
Bonam Fortunam Domains, LLC 162.159.134.53
Security

Visitor Safety

Mature Content: Not Likely
McAfee WebAdvisor Rating: Safe
WOT Rating:
WOT Trustworthiness:
WOT Child Safety:
Note: Safety information is not guaranteed.

SSL/TLS Certificate

Technical

DNS Lookup

A Records

Host IP Address Class TTL
jazz.org. 54.225.116.209 IN 97

NS Records

Host Nameserver Class TTL
jazz.org. ns-1326.awsdns-37.org. IN 21397
jazz.org. ns-1920.awsdns-48.co.uk. IN 21397
jazz.org. ns-225.awsdns-28.com. IN 21397
jazz.org. ns-523.awsdns-01.net. IN 21397

MX Records

Priority Host Server Class TTL
10 jazz.org. us-smtp-inbound-1.mimecast.com. IN 97
10 jazz.org. us-smtp-inbound-2.mimecast.com. IN 97

SOA Records

Domain Name Primary NS Responsible Email TTL
jazz.org. ns-1920.awsdns-48.co.uk. awsdns-hostmaster.amazon.com. 697

TXT Records

Host Value Class TTL
jazz.org. ip4:208.70.210.66 IN 97
jazz.org. v=spf1 IN 97

HTTP Response Headers

Whois Lookup

Created: 6th December, 1997
Changed: 16th May, 2018
Expires: 6th November, 2027
Registrar: Network Solutions, LLC
Status: clientTransferProhibited
Nameservers: ns-1326.awsdns-37.org
ns-1920.awsdns-48.co.uk
ns-225.awsdns-28.com
ns-523.awsdns-01.net
Owner Name: Statutory Masking Enabled
Owner Organization: Statutory Masking Enabled
Owner Street: Statutory Masking Enabled
Owner Post Code: Statutory Masking Enabled
Owner City: Statutory Masking Enabled
Owner State: FL
Owner Country: US
Owner Phone: Statutory Masking Enabled
Owner Email: abuse@web.com
Admin Name: Statutory Masking Enabled
Admin Organization: Statutory Masking Enabled
Admin Street: Statutory Masking Enabled
Admin Post Code: Statutory Masking Enabled
Admin City: Statutory Masking Enabled
Admin State: Statutory Masking Enabled
Admin Country: Statutory Masking Enabled
Admin Phone: Statutory Masking Enabled
Admin Email: abuse@web.com
Tech Name: Statutory Masking Enabled
Tech Organization: Statutory Masking Enabled
Tech Street: Statutory Masking Enabled
Tech Post Code: Statutory Masking Enabled
Tech City: Statutory Masking Enabled
Tech State: Statutory Masking Enabled
Tech Country: Statutory Masking Enabled
Tech Phone: Statutory Masking Enabled
Tech Email: abuse@web.com
Billing Name: Statutory Masking Enabled
Billing Organization: Statutory Masking Enabled
Billing Street: Statutory Masking Enabled
Billing Post Code: Statutory Masking Enabled
Billing City: Statutory Masking Enabled
Billing State: Statutory Masking Enabled
Billing Country: Statutory Masking Enabled
Billing Phone: Statutory Masking Enabled
Billing Fax: Statutory Masking Enabled
Billing Email: abuse@web.com
Full Whois: Domain Name: JAZZ.ORG
Registry Domain ID: D293796-LROR
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://www.networksolutions.com
Updated Date: 2018-05-16T15:35:08Z
Creation Date: 1997-06-12T04:00:00Z
Registrar Registration Expiration Date: 2027-06-11T04:00:00Z
Registrar Registration Expiration Date:
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Reseller:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: Statutory Masking Enabled
Registrant Name: Statutory Masking Enabled
Registrant Organization: Statutory Masking Enabled
Registrant Street: Statutory Masking Enabled
Registrant City: Statutory Masking Enabled
Registrant State/Province: FL
Registrant Postal Code: Statutory Masking Enabled
Registrant Country: US
Registrant Phone: Statutory Masking Enabled
Registrant Phone Ext: Statutory Masking Enabled
Registrant Fax: Statutory Masking Enabled
Registrant Fax Ext: Statutory Masking Enabled
Registrant Email: abuse@web.com
Registry Admin ID: Statutory Masking Enabled
Admin Name: Statutory Masking Enabled
Admin Organization: Statutory Masking Enabled
Admin Street: Statutory Masking Enabled
Admin City: Statutory Masking Enabled
Admin State/Province: Statutory Masking Enabled
Admin Postal Code: Statutory Masking Enabled
Admin Country: Statutory Masking Enabled
Admin Phone: Statutory Masking Enabled
Admin Phone Ext: Statutory Masking Enabled
Admin Fax: Statutory Masking Enabled
Admin Fax Ext: Statutory Masking Enabled
Admin Email: abuse@web.com
Registry Tech ID: Statutory Masking Enabled
Tech Name: Statutory Masking Enabled
Tech Organization: Statutory Masking Enabled
Tech Street: Statutory Masking Enabled
Tech City: Statutory Masking Enabled
Tech State/Province: Statutory Masking Enabled
Tech Postal Code: Statutory Masking Enabled
Tech Country: Statutory Masking Enabled
Tech Phone: Statutory Masking Enabled
Tech Phone Ext: Statutory Masking Enabled
Tech Fax: Statutory Masking Enabled
Tech Fax Ext: Statutory Masking Enabled
Tech Email: abuse@web.com
Registry Billing ID: Statutory Masking Enabled
Billing Name: Statutory Masking Enabled
Billing Organization: Statutory Masking Enabled
Billing Street: Statutory Masking Enabled
Billing City: Statutory Masking Enabled
Billing State/Province: Statutory Masking Enabled
Billing Postal Code: Statutory Masking Enabled
Billing Country: Statutory Masking Enabled
Billing Phone: Statutory Masking Enabled
Billing Phone Ext: Statutory Masking Enabled
Billing Fax: Statutory Masking Enabled
Billing Fax Ext: Statutory Masking Enabled
Billing Email: abuse@web.com
Name Server: NS-1326.AWSDNS-37.ORG
Name Server: NS-523.AWSDNS-01.NET
Name Server: NS-225.AWSDNS-28.COM
Name Server: NS-1920.AWSDNS-48.CO.UK
DNSSEC: unsigned
Registrar Abuse Contact Email: abuse@web.com
Registrar Abuse Contact Phone: +1.8777228662
URL of the ICANN Whois Inaccuracy Complaint Form https: //www.icann.org/wicf/)
>>> Last update of WHOIS database: 2021-06-15T19:35:40Z <<<

For more information on Whois status codes, please visit https://www.icann.org/resources/pages/epp-status-codes-2014-06-16-en

For more information on Whois status codes, please visit https://icann.org/epp

Access to Public Interest Registry WHOIS information is provided to assist persons in determining the contents of a domain name registration record in the Public Interest Registry registry database. The data in this record is provided by Public Interest Registry for informational purposes only, and Public Interest Registry does not guarantee its accuracy. This service is intended only for query-based access. You agree that you will use this data only for lawful purposes and that, under no circumstances will you use this data to (a) allow, enable, or otherwise support the transmission by e-mail, telephone, or facsimile of mass unsolicited, commercial advertising or solicitations to entities other than the data recipient's own existing customers; or (b) enable high volume, automated, electronic processes that send queries or data to the systems of Registry Operator, a Registrar, or Afilias except as reasonably necessary to register domain names or modify existing registrations. All rights reserved. Public Interest Registry reserves the right to modify these terms at any time. By submitting this query, you agree to abide by this policy.

The Registrar of Record identified in this output may have an RDDS service that can be queried for additional information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
View Raw Whois

Nameservers

Name IP Address
ns-1326.awsdns-37.org 205.251.197.46
ns-1920.awsdns-48.co.uk 205.251.199.128
ns-225.awsdns-28.com 205.251.192.225
ns-523.awsdns-01.net 205.251.194.11
Related

Subdomains

Similar Sites

Organic Search (US) Competitors

Backlink Competitors

Sites with the same domain name

Domain Valuation Snoop Score
jazz.com
$223 USD 1/5
jazz.net
$8,709 USD 3/5
jazz.nl
0/5
jazz.ru
$3,551 USD 2/5

Sites hosted on the same IP address

Domain Valuation Snoop Score
jazzatlincolncenter.org
0/5
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jazz.org Infographic

jazz.org by the numbers infographic

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