Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

onlinemschool.com

Studying of mathematics online

Page Load Speed

1.7 sec in total

First Response

212 ms

Resources Loaded

1.3 sec

Page Rendered

126 ms

onlinemschool.com screenshot

About Website

Visit onlinemschool.com now to see the best up-to-date Online Mschool content for Russia and also check out these interesting facts you probably never knew about onlinemschool.com

Site for learning of mathematics online. Site for learning of mathematics online. Online calculators and different types of mathematical tasks.

Visit onlinemschool.com

Key Findings

We analyzed Onlinemschool.com page load time and found that the first response time was 212 ms and then it took 1.5 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

onlinemschool.com performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

72/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value2,830 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

Network Requests Diagram

onlinemschool.com

212 ms

style_045.css

78 ms

jquery-1.3.2.min.js

232 ms

brand

41 ms

show_ads.js

13 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 18% of them (8 requests) were addressed to the original Onlinemschool.com, 11% (5 requests) were made to Googleads.g.doubleclick.net and 9% (4 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (274 ms) relates to the external source Img.cdns.turn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 177.7 kB (49%)

Content Size

361.5 kB

After Optimization

183.7 kB

In fact, the total size of Onlinemschool.com main page is 361.5 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. 40% of websites need less resources to load. Javascripts take 170.4 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 28.4 kB

  • Original 36.9 kB
  • After minification 36.4 kB
  • After compression 8.6 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 28.4 kB or 77% of the original size.

Image Optimization

-12%

Potential reduce by 13.6 kB

  • Original 113.8 kB
  • After minification 100.2 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. Obviously, Online Mschool needs image optimization as it can save up to 13.6 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-62%

Potential reduce by 106.0 kB

  • Original 170.4 kB
  • After minification 166.2 kB
  • After compression 64.4 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 106.0 kB or 62% of the original size.

CSS Optimization

-74%

Potential reduce by 29.8 kB

  • Original 40.3 kB
  • After minification 37.0 kB
  • After compression 10.6 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. Onlinemschool.com needs all CSS files to be minified and compressed as it can save up to 29.8 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (49%)

Requests Now

39

After Optimization

20

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Online Mschool. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

onlinemschool.com accessibility score

68

Accessibility Issues

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-*] attributes do not match their roles

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.

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

<frame> or <iframe> elements do not have a title

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

onlinemschool.com best practices score

92

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

SEO Factors

onlinemschool.com 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 Onlinemschool.com 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 Onlinemschool.com 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 Online Mschool. 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: