Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

Page Load Speed

9.9 sec in total

First Response

113 ms

Resources Loaded

6.4 sec

Page Rendered

3.4 sec

usabilitynet.org screenshot

About Website

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

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Key Findings

We analyzed Usabilitynet.org page load time and found that the first response time was 113 ms and then it took 9.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

usabilitynet.org performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value2,310 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value16.5 s

5/100

10%

Network Requests Diagram

usabilitynet.org

113 ms

usabilitynet.org

30 ms

cosmopolitanfm.com

2136 ms

js

74 ms

fbevents.js

23 ms

Our browser made a total of 295 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Usabilitynet.org, 84% (248 requests) were made to Images.linkcdn.cloud and 10% (30 requests) were made to Cosmopolitanfm.com. The less responsive or slowest element that took the longest time to load (3.6 sec) relates to the external source Cosmopolitanfm.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 288.2 kB (21%)

Content Size

1.4 MB

After Optimization

1.1 MB

In fact, the total size of Usabilitynet.org main page is 1.4 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. HTML takes 580.8 kB which makes up the majority of the site volume.

HTML Optimization

-49%

Potential reduce by 286.1 kB

  • Original 580.8 kB
  • After minification 508.7 kB
  • After compression 294.7 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. This page needs HTML code to be minified as it can gain 72.1 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 286.1 kB or 49% of the original size.

Image Optimization

-0%

Potential reduce by 11 B

  • Original 498.2 kB
  • After minification 498.2 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. Usabilitynet images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 516 B

  • Original 219.1 kB
  • After minification 219.1 kB
  • After compression 218.5 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.

CSS Optimization

-2%

Potential reduce by 1.5 kB

  • Original 67.0 kB
  • After minification 67.0 kB
  • After compression 65.5 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. Usabilitynet.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (7%)

Requests Now

282

After Optimization

263

The browser has sent 282 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Usabilitynet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

usabilitynet.org accessibility score

74

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

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

usabilitynet.org best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

usabilitynet.org SEO score

79

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

High

robots.txt is not valid

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    ID

  • Language Claimed

    ID

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Usabilitynet.org can be misinterpreted by Google and other search engines. Our service has detected that is used on the page, and it matches the claimed language. Our system also found out that Usabilitynet.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 description is not detected on the main page of Usabilitynet. 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: