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usability-academy.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

usability-academy.com

Usability Academy.

Page Load Speed

7.1 sec in total

First Response

1.1 sec

Resources Loaded

3.8 sec

Page Rendered

2.3 sec

usability-academy.com screenshot

About Website

Welcome to usability-academy.com homepage info - get ready to check Usability Academy best content right away, or after learning these important things about usability-academy.com

Usability and UX Training & Certification - small group courses! We connect the latest knowledge from research and science with long-time industry experience and project experience.

Visit usability-academy.com

Key Findings

We analyzed Usability-academy.com page load time and found that the first response time was 1.1 sec and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

usability-academy.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value14.8 s

0/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value990 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.237

52/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

1065 ms

calendar.min.css

219 ms

miniteklivesearch.css

222 ms

awesomplete.css

222 ms

joomla-alert.min.css

221 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 93% of them (82 requests) were addressed to the original Usability-academy.com, 1% (1 request) were made to Js.hs-scripts.com and 1% (1 request) were made to Static.hotjar.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Usability-academy.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 794.5 kB (20%)

Content Size

4.1 MB

After Optimization

3.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Usability-academy.com main page is 4.1 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. 65% of websites need less resources to load. Images take 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 159.9 kB

  • Original 191.6 kB
  • After minification 163.0 kB
  • After compression 31.7 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 28.6 kB, which is 15% 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 159.9 kB or 83% of the original size.

Image Optimization

-17%

Potential reduce by 625.9 kB

  • Original 3.6 MB
  • After minification 3.0 MB

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. Obviously, Usability Academy needs image optimization as it can save up to 625.9 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-3%

Potential reduce by 7.5 kB

  • Original 224.0 kB
  • After minification 224.0 kB
  • After compression 216.5 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

-1%

Potential reduce by 1.1 kB

  • Original 78.7 kB
  • After minification 78.7 kB
  • After compression 77.6 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. Usability-academy.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 37 (43%)

Requests Now

87

After Optimization

50

  • Images
  • JavaScript
  • CSS

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Usability Academy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

1065 ms

calendar.min.css

calendar.min.css

219 ms

miniteklivesearch.css

miniteklivesearch.css

222 ms

awesomplete.css

awesomplete.css

222 ms

joomla-alert.min.css

joomla-alert.min.css

221 ms

style.css

style.css

220 ms

font-awesome.min.css

font-awesome.min.css

223 ms

style.min.css

style.min.css

329 ms

default.css

default.css

331 ms

custom.css

custom.css

333 ms

content.css

content.css

332 ms

template.min.css

template.min.css

331 ms

theme.9.css

theme.9.css

559 ms

theme.update.css

theme.update.css

440 ms

core.min.js

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440 ms

webcomponents-bundle.min.js

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552 ms

finder-es5.min.js

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443 ms

messages-es5.min.js

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443 ms

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551 ms

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551 ms

calendar.min.js

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553 ms

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552 ms

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664 ms

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663 ms

miniteklivesearch.js

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674 ms

awesomplete.min.js

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673 ms

finder.min.js

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674 ms

messages.min.js

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675 ms

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773 ms

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774 ms

cookie.min.js

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774 ms

uikit.min.js

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890 ms

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778 ms

theme.js

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779 ms

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57 ms

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188 ms

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178 ms

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503 ms

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613 ms

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615 ms

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836 ms

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836 ms

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288 ms

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399 ms

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510 ms

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612 ms

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621 ms

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730 ms

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945 ms

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947 ms

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950 ms

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1163 ms

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1057 ms

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995 ms

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996 ms

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880 ms

Accessibility Review

usability-academy.com accessibility score

97

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.

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

usability-academy.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

usability-academy.com SEO score

91

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Usability-academy.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed German language. Our system also found out that Usability-academy.com 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

usability-academy.com

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