Tools & Wizards About Us

Report Summary

  • 73

    Performance

    Renders faster than
    82% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

adm21.org

NON-PROFIT DANCE ORGANIZATION | ADM21 | UNITED STATESStates

Page Load Speed

1.5 sec in total

First Response

61 ms

Resources Loaded

1.3 sec

Page Rendered

55 ms

About Website

Click here to check amazing ADM21 content. Otherwise, check out these important facts you probably never knew about adm21.org

ADM21 - a living archive of American musical theater choreography is a non-profit organization that presents iconic choreography exactly as it was intended and to unite the work of musical theater's f...

Visit adm21.org

Key Findings

We analyzed Adm21.org page load time and found that the first response time was 61 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

adm21.org performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value140 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

www.adm21.org

61 ms

minified.js

34 ms

focus-within-polyfill.js

76 ms

polyfill.min.js

77 ms

thunderbolt-commons.60ed9a5a.bundle.min.js

127 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Adm21.org, 34% (15 requests) were made to Static.parastorage.com and 30% (13 requests) were made to Static.wixstatic.com. The less responsive or slowest element that took the longest time to load (547 ms) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 832.5 kB (49%)

Content Size

1.7 MB

After Optimization

876.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Adm21.org main page is 1.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. HTML takes 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 806.5 kB

  • Original 1.0 MB
  • After minification 999.1 kB
  • After compression 194.3 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 806.5 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 22.3 kB

  • Original 463.9 kB
  • After minification 441.6 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. ADM21 images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.6 kB

  • Original 244.3 kB
  • After minification 244.3 kB
  • After compression 240.7 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 10 (36%)

Requests Now

28

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ADM21. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

adm21.org accessibility score

96

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

adm21.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

adm21.org SEO score

93

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Adm21.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Adm21.org main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph data is detected on the main page of ADM21. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: