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usableweb.com screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

usableweb.com

Usable Web

Page Load Speed

817 ms in total

First Response

289 ms

Resources Loaded

426 ms

Page Rendered

102 ms

usableweb.com screenshot

About Website

Welcome to usableweb.com homepage info - get ready to check Usable Web best content right away, or after learning these important things about usableweb.com

Usable Web is a collection of 786 links and accompanying information about human factors, user interface issues, and usable design specific to the World Wide Web.

Visit usableweb.com

Key Findings

We analyzed Usableweb.com page load time and found that the first response time was 289 ms and then it took 528 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

usableweb.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.2 s

100/100

25%

SI (Speed Index)

Value0.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

usableweb.com

289 ms

usableweb.css

112 ms

upper-left.gif

125 ms

upper-right.gif

119 ms

bottom-left.gif

124 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that all of those requests were addressed to Usableweb.com and no external sources were called. The less responsive or slowest element that took the longest time to load (289 ms) belongs to the original domain Usableweb.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 11.2 kB (73%)

Content Size

15.4 kB

After Optimization

4.2 kB

  • HTML
  • CSS

In fact, the total size of Usableweb.com main page is 15.4 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 14.8 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 10.8 kB

  • Original 14.8 kB
  • After minification 14.7 kB
  • After compression 4.0 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 10.8 kB or 73% of the original size.

CSS Optimization

-65%

Potential reduce by 394 B

  • Original 606 B
  • After minification 489 B
  • After compression 212 B

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. Usableweb.com needs all CSS files to be minified and compressed as it can save up to 394 B or 65% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images
  • CSS

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Usable Web. According to our analytics all requests are already optimized.

Network Requests Diagram

usableweb.com

usableweb.com

289 ms

usableweb.css

usableweb.css

112 ms

upper-left.gif

upper-left.gif

125 ms

upper-right.gif

upper-right.gif

119 ms

bottom-left.gif

bottom-left.gif

124 ms

bottom-right.gif

bottom-right.gif

125 ms

Accessibility Review

usableweb.com accessibility score

91

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

usableweb.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

usableweb.com SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Usableweb.com 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 Usableweb.com main page’s claimed encoding is . 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

usableweb.com

Open Graph description is not detected on the main page of Usable Web. 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: