Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

mathsgenie.co.uk

Maths Genie - Free Online GCSE and A Level Maths Revision

Page Load Speed

1.5 sec in total

First Response

61 ms

Resources Loaded

1.3 sec

Page Rendered

155 ms

About Website

Visit mathsgenie.co.uk now to see the best up-to-date Maths Genie content for United Kingdom and also check out these interesting facts you probably never knew about mathsgenie.co.uk

Maths Genie is a free GCSE and A Level revision site. It has past papers, mark schemes and model answers to GCSE and A Level exam questions.

Visit mathsgenie.co.uk

Key Findings

We analyzed Mathsgenie.co.uk page load time and found that the first response time was 61 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

mathsgenie.co.uk performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

51/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value2,870 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value24.0 s

1/100

10%

Network Requests Diagram

mathsgenie.co.uk

61 ms

mathsgenie.co.uk

455 ms

www.mathsgenie.co.uk

39 ms

w3v9.css

17 ms

fuse.js

675 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 30% of them (7 requests) were addressed to the original Mathsgenie.co.uk, 17% (4 requests) were made to Google.com and 9% (2 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (675 ms) relates to the external source Cdn.fuseplatform.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 22.9 kB (8%)

Content Size

303.9 kB

After Optimization

281.0 kB

In fact, the total size of Mathsgenie.co.uk main page is 303.9 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. 25% of websites need less resources to load. Javascripts take 251.6 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 18.4 kB

  • Original 24.8 kB
  • After minification 24.8 kB
  • After compression 6.4 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 18.4 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 53 B

  • Original 11.9 kB
  • After minification 11.9 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. Maths Genie images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.2 kB

  • Original 251.6 kB
  • After minification 251.6 kB
  • After compression 250.5 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

-21%

Potential reduce by 3.3 kB

  • Original 15.5 kB
  • After minification 15.5 kB
  • After compression 12.2 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. Mathsgenie.co.uk needs all CSS files to be minified and compressed as it can save up to 3.3 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (65%)

Requests Now

17

After Optimization

6

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Maths Genie. 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 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

mathsgenie.co.uk accessibility score

100

Accessibility Issues

Best Practices

mathsgenie.co.uk 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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

mathsgenie.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 Mathsgenie.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 Mathsgenie.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

Open Graph description is not detected on the main page of Maths Genie. 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: