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a-levelnotes.co.uk screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

a-levelnotes.co.uk

A-LEVEL NOTES - The UK's Best Free A-level Revision Notes

Page Load Speed

1.3 sec in total

First Response

334 ms

Resources Loaded

891 ms

Page Rendered

87 ms

a-levelnotes.co.uk screenshot

About Website

Welcome to a-levelnotes.co.uk homepage info - get ready to check A LEVEL NOTES best content for United Kingdom right away, or after learning these important things about a-levelnotes.co.uk

The UK's best and most concise A-level Revision notes all 100% free and up to date for the new OCR, AQA and Edexcel spec for Biology, Chemistry, History, Physics, Geography, English Literature and mor...

Visit a-levelnotes.co.uk

Key Findings

We analyzed A-levelnotes.co.uk page load time and found that the first response time was 334 ms and then it took 978 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

a-levelnotes.co.uk performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value4.9 s

66/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.059

98/100

15%

TTI (Time to Interactive)

Value7.7 s

46/100

10%

Network Requests Diagram

a-levelnotes.co.uk

334 ms

www.a-levelnotes.co.uk

157 ms

api.min.js

58 ms

analytics.js

39 ms

sites.css

19 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 38% of them (12 requests) were addressed to the original A-levelnotes.co.uk, 47% (15 requests) were made to Cdn2.editmysite.com and 9% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (334 ms) belongs to the original domain A-levelnotes.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 37.8 kB (6%)

Content Size

590.2 kB

After Optimization

552.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of A-levelnotes.co.uk main page is 590.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Javascripts take 481.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 26.3 kB

  • Original 33.1 kB
  • After minification 32.1 kB
  • After compression 6.9 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 26.3 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 33.3 kB
  • After minification 33.3 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. A LEVEL NOTES images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 11.0 kB

  • Original 481.9 kB
  • After minification 481.9 kB
  • After compression 470.9 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 517 B

  • Original 41.9 kB
  • After minification 41.9 kB
  • After compression 41.3 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. A-levelnotes.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (69%)

Requests Now

26

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of A LEVEL NOTES. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

a-levelnotes.co.uk

a-levelnotes.co.uk

334 ms

www.a-levelnotes.co.uk

www.a-levelnotes.co.uk

157 ms

api.min.js

api.min.js

58 ms

analytics.js

analytics.js

39 ms

sites.css

sites.css

19 ms

fancybox.css

fancybox.css

29 ms

social-icons.css

social-icons.css

29 ms

main_style.css

main_style.css

99 ms

font.css

font.css

30 ms

font.css

font.css

34 ms

font.css

font.css

35 ms

templateArtifacts.js

templateArtifacts.js

117 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

29 ms

stl.js

stl.js

37 ms

main.js

main.js

54 ms

plugins.js

plugins.js

184 ms

custom.js

custom.js

115 ms

mobile.js

mobile.js

166 ms

main-customer-accounts-site.js

main-customer-accounts-site.js

33 ms

collect

collect

15 ms

js

js

98 ms

logo_1.jpg

logo_1.jpg

176 ms

bacteria-1_1_orig.png

bacteria-1_1_orig.png

172 ms

calculator_orig.png

calculator_orig.png

173 ms

erlenmeyer_1_orig.png

erlenmeyer_1_orig.png

173 ms

physics_orig.png

physics_orig.png

174 ms

ga.js

ga.js

111 ms

snowday262.js

snowday262.js

111 ms

bold.woff

bold.woff

16 ms

regular.woff

regular.woff

15 ms

bold.woff

bold.woff

16 ms

regular.woff

regular.woff

16 ms

Accessibility Review

a-levelnotes.co.uk accessibility score

95

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.

Best Practices

a-levelnotes.co.uk best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

a-levelnotes.co.uk SEO score

92

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise A-levelnotes.co.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 A-levelnotes.co.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

a-levelnotes.co.uk

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