Report Summary

  • 5

    Performance

    Renders faster than
    30% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    65% of websites

  • 93

    SEO

    Google-friendlier than
    88% of websites

ess.org

Experimental Sound Studio

Page Load Speed

1.1 sec in total

First Response

202 ms

Resources Loaded

653 ms

Page Rendered

262 ms

ess.org screenshot

About Website

Click here to check amazing Ess content for United States. Otherwise, check out these important facts you probably never knew about ess.org

A Chicago recording studio, concert venue, and non-profit organization serving artists and listeners experimenting with sound in all media. Programming & services: Outer Ear, Audible Gallery, Option, ...

Visit ess.org

Key Findings

We analyzed Ess.org page load time and found that the first response time was 202 ms and then it took 915 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

ess.org performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value19.2 s

0/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value2,500 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.424

23/100

15%

TTI (Time to Interactive)

Value18.5 s

3/100

10%

Network Requests Diagram

ess.org

202 ms

www.experimentalsoundstudio.org

82 ms

shadowbox-base.js

43 ms

shadowbox.js

82 ms

jquery.js

60 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Ess.org, 84% (52 requests) were made to Experimentalsoundstudio.org and 6% (4 requests) were made to Exsost.us1.list-manage.com. The less responsive or slowest element that took the longest time to load (202 ms) belongs to the original domain Ess.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 613.4 kB (51%)

Content Size

1.2 MB

After Optimization

582.1 kB

In fact, the total size of Ess.org main page is 1.2 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. Javascripts take 729.1 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 59.7 kB

  • Original 80.1 kB
  • After minification 76.9 kB
  • After compression 20.4 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 59.7 kB or 75% of the original size.

Image Optimization

-6%

Potential reduce by 21.1 kB

  • Original 364.4 kB
  • After minification 343.3 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. Ess images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 514.9 kB

  • Original 729.1 kB
  • After minification 607.6 kB
  • After compression 214.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 514.9 kB or 71% of the original size.

CSS Optimization

-81%

Potential reduce by 17.7 kB

  • Original 21.9 kB
  • After minification 16.5 kB
  • After compression 4.1 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Ess.org needs all CSS files to be minified and compressed as it can save up to 17.7 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (58%)

Requests Now

60

After Optimization

25

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ess. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ess.org accessibility score

94

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best Practices

ess.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

ess.org SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ess.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Ess.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Ess. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: