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learnlearn.uk screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

learnlearn.uk

LearnLearn - Computer Science Lessons & Resources

Page Load Speed

3.1 sec in total

First Response

283 ms

Resources Loaded

2.8 sec

Page Rendered

101 ms

learnlearn.uk screenshot

About Website

Click here to check amazing Learn content for China. Otherwise, check out these important facts you probably never knew about learnlearn.uk

Free, online Computer Science lesson plans and resources designed for both teacher-led and independent learning.

Visit learnlearn.uk

Key Findings

We analyzed Learnlearn.uk page load time and found that the first response time was 283 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

learnlearn.uk performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

51/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value1,750 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

learnlearn.uk

283 ms

learnlearn.uk

414 ms

wp-emoji-release.min.js

20 ms

9bae3.css

334 ms

ea9a8.css

302 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 97% of them (90 requests) were addressed to the original Learnlearn.uk, 1% (1 request) were made to Pagead2.googlesyndication.com and 1% (1 request) were made to Statcounter.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Learnlearn.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 271.9 kB (24%)

Content Size

1.1 MB

After Optimization

870.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Learnlearn.uk main page is 1.1 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. 40% of websites need less resources to load. Images take 509.1 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 105.8 kB

  • Original 131.8 kB
  • After minification 131.8 kB
  • After compression 26.0 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 105.8 kB or 80% of the original size.

Image Optimization

-8%

Potential reduce by 42.8 kB

  • Original 509.1 kB
  • After minification 466.3 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. Learn images are well optimized though.

JavaScript Optimization

-31%

Potential reduce by 123.2 kB

  • Original 400.7 kB
  • After minification 400.7 kB
  • After compression 277.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 123.2 kB or 31% of the original size.

CSS Optimization

-0%

Potential reduce by 97 B

  • Original 100.9 kB
  • After minification 100.9 kB
  • After compression 100.8 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. Learnlearn.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 45 (49%)

Requests Now

91

After Optimization

46

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Learn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 42 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

learnlearn.uk

learnlearn.uk

283 ms

learnlearn.uk

learnlearn.uk

414 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

20 ms

9bae3.css

9bae3.css

334 ms

ea9a8.css

ea9a8.css

302 ms

b35a7.css

b35a7.css

330 ms

jquery.min.js

jquery.min.js

26 ms

jquery-migrate.min.js

jquery-migrate.min.js

34 ms

utils.min.js

utils.min.js

39 ms

moxie.min.js

moxie.min.js

46 ms

plupload.min.js

plupload.min.js

49 ms

adsbygoogle.js

adsbygoogle.js

113 ms

412da.css

412da.css

324 ms

underscore.min.js

underscore.min.js

13 ms

shortcode.min.js

shortcode.min.js

13 ms

backbone.min.js

backbone.min.js

24 ms

wp-util.min.js

wp-util.min.js

25 ms

wp-backbone.min.js

wp-backbone.min.js

32 ms

media-models.min.js

media-models.min.js

37 ms

wp-plupload.min.js

wp-plupload.min.js

40 ms

core.min.js

core.min.js

49 ms

mouse.min.js

mouse.min.js

50 ms

sortable.min.js

sortable.min.js

58 ms

mediaelement-and-player.min.js

mediaelement-and-player.min.js

63 ms

mediaelement-migrate.min.js

mediaelement-migrate.min.js

68 ms

wp-mediaelement.min.js

wp-mediaelement.min.js

71 ms

api-request.min.js

api-request.min.js

77 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

83 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

87 ms

wp-polyfill.min.js

wp-polyfill.min.js

90 ms

dom-ready.min.js

dom-ready.min.js

95 ms

hooks.min.js

hooks.min.js

100 ms

i18n.min.js

i18n.min.js

107 ms

a11y.min.js

a11y.min.js

109 ms

clipboard.min.js

clipboard.min.js

115 ms

media-views.min.js

media-views.min.js

125 ms

media-editor.min.js

media-editor.min.js

124 ms

media-audiovideo.min.js

media-audiovideo.min.js

135 ms

crossword.js

crossword.js

135 ms

play_gif.js

play_gif.js

144 ms

spin.js

spin.js

145 ms

jquery.spin.js

jquery.spin.js

155 ms

lazyload-shared.js

lazyload-shared.js

154 ms

lazyload-youtube.js

lazyload-youtube.js

163 ms

counter.js

counter.js

29 ms

lazyload-vimeo.js

lazyload-vimeo.js

166 ms

frontend.js

frontend.js

161 ms

tabby.js

tabby.js

168 ms

dust_scratches.png

dust_scratches.png

17 ms

LearnLearnLogowhite.png

LearnLearnLogowhite.png

14 ms

A-Level-Computer-Science-Icon-5.png

A-Level-Computer-Science-Icon-5.png

14 ms

Scratch_Logo-150x150.png

Scratch_Logo-150x150.png

15 ms

cie-igcse-ict-thumb-1.png

cie-igcse-ict-thumb-1.png

15 ms

cie-igcse-thumb.png

cie-igcse-thumb.png

13 ms

ibcomputer-science-150x150.png

ibcomputer-science-150x150.png

59 ms

ai-robot.jpg

ai-robot.jpg

300 ms

Edexcel-igcse-cs.png

Edexcel-igcse-cs.png

59 ms

maze-150x150.png

maze-150x150.png

59 ms

turtle-doodle-150x150.jpg

turtle-doodle-150x150.jpg

59 ms

python-logo-150x150.png

python-logo-150x150.png

59 ms

raspberry-pi-150x150.jpg

raspberry-pi-150x150.jpg

60 ms

microbit-heart-150x150.png

microbit-heart-150x150.png

425 ms

binary-150x150.jpg

binary-150x150.jpg

60 ms

sort-150x150.png

sort-150x150.png

61 ms

computer-150x150.jpg

computer-150x150.jpg

327 ms

sqlite-150x150.jpg

sqlite-150x150.jpg

340 ms

lightbot-150x150.png

lightbot-150x150.png

463 ms

eraseallkittenslogo-150x150.png

eraseallkittenslogo-150x150.png

408 ms

typingclub-thumb-150x150.jpg

typingclub-thumb-150x150.jpg

611 ms

codeorgicon-150x150.png

codeorgicon-150x150.png

625 ms

cargobot-online.jpg

cargobot-online.jpg

624 ms

hexinvaders-150x150.png

hexinvaders-150x150.png

773 ms

ireporter-icon-150x150.png

ireporter-icon-150x150.png

816 ms

twinery-logo-150x150.png

twinery-logo-150x150.png

775 ms

codecombaticon-150x150.jpg

codecombaticon-150x150.jpg

913 ms

flexboxdefence-150x150.png

flexboxdefence-150x150.png

736 ms

flexboxfroggy-150x150.png

flexboxfroggy-150x150.png

906 ms

pseudowar-150x150.png

pseudowar-150x150.png

1183 ms

screeps-thumb-150x150.jpg

screeps-thumb-150x150.jpg

1056 ms

elevator-logo-150x150.png

elevator-logo-150x150.png

1056 ms

fightcodegame-150x150.png

fightcodegame-150x150.png

1203 ms

codemonkey-150x150.jpg

codemonkey-150x150.jpg

1202 ms

tynkericon-150x150.png

tynkericon-150x150.png

1208 ms

codingame-150x150.png

codingame-150x150.png

1359 ms

vim-adventures-150x150.png

vim-adventures-150x150.png

1424 ms

island-icon-150x150.png

island-icon-150x150.png

1472 ms

sqlzoo-150x145.png

sqlzoo-150x145.png

1489 ms

magnifiy-glass-mystery-icon-150x150.jpg

magnifiy-glass-mystery-icon-150x150.jpg

1469 ms

pycheck-logo.jpg

pycheck-logo.jpg

1484 ms

lostatsql.png

lostatsql.png

1680 ms

dust.png

dust.png

1390 ms

t.php

t.php

88 ms

tabby-print.css

tabby-print.css

13 ms

Accessibility Review

learnlearn.uk accessibility score

88

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.

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 IDs are not unique

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

learnlearn.uk 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

learnlearn.uk SEO score

100

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 uses 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 Learnlearn.uk 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 Learnlearn.uk 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

learnlearn.uk

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