Tools & Wizards About Us
maths-whizz.ru screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

maths-whizz.ru

Online Maths Tutor For 5-13yr Olds | Mathematics Tutor | Whizz Education

Page Load Speed

331 ms in total

First Response

27 ms

Resources Loaded

189 ms

Page Rendered

115 ms

maths-whizz.ru screenshot

About Website

Welcome to maths-whizz.ru homepage info - get ready to check Maths Whizz best content right away, or after learning these important things about maths-whizz.ru

Help your child to learn maths easily with Maths-Whizz, our award-winning online maths tutor. Designed for children, recommended by teachers & parents.

Visit maths-whizz.ru

Key Findings

We analyzed Maths-whizz.ru page load time and found that the first response time was 27 ms and then it took 304 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

maths-whizz.ru performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

33/100

10%

LCP (Largest Contentful Paint)

Value10.3 s

0/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value1,250 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.297

40/100

15%

TTI (Time to Interactive)

Value21.0 s

1/100

10%

Network Requests Diagram

www.mat-reshka.com

27 ms

utils.js.php

5 ms

main.css

7 ms

blue.css

5 ms

home.css

5 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Maths-whizz.ru, 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (48 ms) relates to the external source Mat-reshka.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 54.6 kB (30%)

Content Size

183.5 kB

After Optimization

128.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Maths-whizz.ru main page is 183.5 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. 20% of websites need less resources to load. Images take 104.9 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 16.0 kB

  • Original 21.2 kB
  • After minification 19.2 kB
  • After compression 5.2 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 16.0 kB or 76% of the original size.

Image Optimization

-6%

Potential reduce by 6.7 kB

  • Original 104.9 kB
  • After minification 98.2 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 Whizz images are well optimized though.

JavaScript Optimization

-33%

Potential reduce by 9.7 kB

  • Original 29.7 kB
  • After minification 26.0 kB
  • After compression 20.0 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 9.7 kB or 33% of the original size.

CSS Optimization

-80%

Potential reduce by 22.2 kB

  • Original 27.7 kB
  • After minification 21.7 kB
  • After compression 5.5 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. Maths-whizz.ru needs all CSS files to be minified and compressed as it can save up to 22.2 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (11%)

Requests Now

28

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Maths Whizz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.mat-reshka.com

www.mat-reshka.com

27 ms

utils.js.php

utils.js.php

5 ms

main.css

main.css

7 ms

blue.css

blue.css

5 ms

home.css

home.css

5 ms

highlight.js

highlight.js

9 ms

AC_RunActiveContent.js

AC_RunActiveContent.js

10 ms

ga.js

ga.js

21 ms

top-line-blue.gif

top-line-blue.gif

7 ms

maths-whizz-education-logo.gif

maths-whizz-education-logo.gif

7 ms

login-blue-bckgr.jpg

login-blue-bckgr.jpg

6 ms

ico-login-parents.jpg

ico-login-parents.jpg

4 ms

ico-login-students.jpg

ico-login-students.jpg

42 ms

ico-login-teachers.jpg

ico-login-teachers.jpg

42 ms

mathswhizz.png

mathswhizz.png

48 ms

happiness-in-learning-video.png

happiness-in-learning-video.png

43 ms

btn-purple-n.jpg

btn-purple-n.jpg

42 ms

btn-green-n.jpg

btn-green-n.jpg

43 ms

btn-blue-n.jpg

btn-blue-n.jpg

44 ms

home-boxes-background.jpg

home-boxes-background.jpg

44 ms

home-box-purple.jpg

home-box-purple.jpg

47 ms

box-parents.jpg

box-parents.jpg

44 ms

home-box-orange.jpg

home-box-orange.jpg

46 ms

home-box-green.jpg

home-box-green.jpg

46 ms

box-teachers-tr3.jpg

box-teachers-tr3.jpg

46 ms

home-arrow-left.gif

home-arrow-left.gif

47 ms

home-arrow-right.gif

home-arrow-right.gif

47 ms

sample_exercise.jpg

sample_exercise.jpg

48 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

maths-whizz.ru accessibility score

85

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

maths-whizz.ru 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

maths-whizz.ru SEO score

93

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

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Maths-whizz.ru 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 Russian language. Our system also found out that Maths-whizz.ru 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

maths-whizz.ru

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