Tools & Wizards About Us
edu-course.ru screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 94

    SEO

    Google-friendlier than
    90% of websites

edu-course.ru

Курсы обучения, вузы, колледжи, репетиторы - отзывы, рейтинги в Москве и России| edu-course.ru

Page Load Speed

3.1 sec in total

First Response

659 ms

Resources Loaded

2.3 sec

Page Rendered

168 ms

edu-course.ru screenshot

About Website

Click here to check amazing Edu Course content for Russia. Otherwise, check out these important facts you probably never knew about edu-course.ru

Курсы обучения, вузы, колледжи, учебные заведения в Москве и России. Высшее образование, онлайн обучение, бесплатное обучение в России. Репетиторы. Профессии, куда поступить абитуриенту.

Visit edu-course.ru

Key Findings

We analyzed Edu-course.ru page load time and found that the first response time was 659 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

edu-course.ru performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

14/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value4.9 s

66/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.045

99/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

Network Requests Diagram

edu-course.ru

659 ms

css

51 ms

css

69 ms

bootstrap.min.css

37 ms

font-awesome.css

369 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 60% of them (24 requests) were addressed to the original Edu-course.ru, 20% (8 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (979 ms) relates to the external source Yandex.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 485.3 kB (71%)

Content Size

682.7 kB

After Optimization

197.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Edu-course.ru main page is 682.7 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 319.8 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 29.6 kB

  • Original 34.9 kB
  • After minification 20.1 kB
  • After compression 5.3 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 14.8 kB, which is 42% 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 29.6 kB or 85% of the original size.

Image Optimization

-14%

Potential reduce by 1.2 kB

  • Original 8.6 kB
  • After minification 7.4 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, Edu Course needs image optimization as it can save up to 1.2 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-54%

Potential reduce by 172.5 kB

  • Original 319.8 kB
  • After minification 274.6 kB
  • After compression 147.4 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 172.5 kB or 54% of the original size.

CSS Optimization

-88%

Potential reduce by 281.9 kB

  • Original 319.3 kB
  • After minification 225.4 kB
  • After compression 37.4 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. Edu-course.ru needs all CSS files to be minified and compressed as it can save up to 281.9 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (72%)

Requests Now

29

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Edu Course. 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 from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

edu-course.ru

edu-course.ru

659 ms

css

css

51 ms

css

css

69 ms

bootstrap.min.css

bootstrap.min.css

37 ms

font-awesome.css

font-awesome.css

369 ms

fontello.css

fontello.css

371 ms

style_edu.css

style_edu.css

735 ms

typography-default.css

typography-default.css

258 ms

light_blue_edu.css

light_blue_edu.css

394 ms

custom.css

custom.css

264 ms

jquery.min.js

jquery.min.js

527 ms

jquery.validate.js

jquery.validate.js

527 ms

context.js

context.js

979 ms

js

js

72 ms

popper.min.js

popper.min.js

28 ms

bootstrap.min.js

bootstrap.min.js

9 ms

modernizr.js

modernizr.js

368 ms

jquery.waypoints.min.js

jquery.waypoints.min.js

367 ms

sticky.min.js

sticky.min.js

402 ms

jquery.countTo.js

jquery.countTo.js

492 ms

template.js

template.js

492 ms

common.js

common.js

536 ms

custom.js

custom.js

535 ms

logo.png

logo.png

155 ms

category-art.png

category-art.png

140 ms

category-professional.png

category-professional.png

138 ms

category-sport.png

category-sport.png

138 ms

category-education.png

category-education.png

154 ms

category-popular.png

category-popular.png

138 ms

tag.js

tag.js

966 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

27 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

28 ms

KFOlCnqEu92Fr1MmSU5fBBc-.woff

KFOlCnqEu92Fr1MmSU5fBBc-.woff

43 ms

KFOlCnqEu92Fr1MmWUlfBBc-.woff

KFOlCnqEu92Fr1MmWUlfBBc-.woff

50 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

265 ms

KFOkCnqEu92Fr1Mu51xIIzQ.woff

KFOkCnqEu92Fr1Mu51xIIzQ.woff

50 ms

KFOjCnqEu92Fr1Mu51S7ACc6CsI.woff

KFOjCnqEu92Fr1Mu51S7ACc6CsI.woff

50 ms

KFOjCnqEu92Fr1Mu51TjASc6CsI.woff

KFOjCnqEu92Fr1Mu51TjASc6CsI.woff

51 ms

KFOjCnqEu92Fr1Mu51TzBic6CsI.woff

KFOjCnqEu92Fr1Mu51TzBic6CsI.woff

49 ms

fontello.woff

fontello.woff

260 ms

Accessibility Review

edu-course.ru accessibility score

82

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

edu-course.ru 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

High

Page has valid source maps

SEO Factors

edu-course.ru SEO score

94

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Edu-course.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian 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 Edu-course.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

edu-course.ru

Open Graph description is not detected on the main page of Edu Course. 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: