Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

everythingmaths.co.za

Practise Maths & Science - Read Open Textbooks | Siyavula

Page Load Speed

5.5 sec in total

First Response

1.2 sec

Resources Loaded

4.1 sec

Page Rendered

143 ms

About Website

Welcome to everythingmaths.co.za homepage info - get ready to check Everything Maths best content for South Africa right away, or after learning these important things about everythingmaths.co.za

Welcome to Siyavula! Read our textbooks for free or sign up to use our practice service and master maths and science

Visit everythingmaths.co.za

Key Findings

We analyzed Everythingmaths.co.za page load time and found that the first response time was 1.2 sec and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

everythingmaths.co.za performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value17.1 s

0/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value16.3 s

5/100

10%

Network Requests Diagram

www.everythingmaths.co.za

1228 ms

normalize.min.css

429 ms

styles.css

1076 ms

outdatedbrowser.min.css

433 ms

jquery-1.11.1.min.js

1084 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 78% of them (25 requests) were addressed to the original Everythingmaths.co.za, 9% (3 requests) were made to Fonts.googleapis.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Everythingmaths.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 150.4 kB (42%)

Content Size

355.3 kB

After Optimization

204.9 kB

In fact, the total size of Everythingmaths.co.za main page is 355.3 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. Images take 176.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 18.7 kB

  • Original 22.8 kB
  • After minification 16.9 kB
  • After compression 4.1 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 5.9 kB, which is 26% 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 18.7 kB or 82% of the original size.

Image Optimization

-19%

Potential reduce by 33.5 kB

  • Original 176.9 kB
  • After minification 143.5 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. Obviously, Everything Maths needs image optimization as it can save up to 33.5 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 97.9 kB

  • Original 154.7 kB
  • After minification 138.4 kB
  • After compression 56.8 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 97.9 kB or 63% of the original size.

CSS Optimization

-39%

Potential reduce by 368 B

  • Original 950 B
  • After minification 862 B
  • After compression 582 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. Everythingmaths.co.za needs all CSS files to be minified and compressed as it can save up to 368 B or 39% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (31%)

Requests Now

29

After Optimization

20

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Everything Maths. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

everythingmaths.co.za 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.

Best Practices

everythingmaths.co.za best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

everythingmaths.co.za 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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Everythingmaths.co.za 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 Everythingmaths.co.za 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 Everything Maths. 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: