Tools & Wizards About Us
courses-english.ru screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

courses-english.ru

Курсы английского языка онлайн 2021, рейтинг и описания

Page Load Speed

10.2 sec in total

First Response

1.1 sec

Resources Loaded

8.2 sec

Page Rendered

893 ms

courses-english.ru screenshot

About Website

Click here to check amazing Courses English content. Otherwise, check out these important facts you probably never knew about courses-english.ru

Инновационные сервисы по изучению английского языка online, без преподавателей и репетиторов, которых заменяют специальные умные программы.

Visit courses-english.ru

Key Findings

We analyzed Courses-english.ru page load time and found that the first response time was 1.1 sec and then it took 9.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

courses-english.ru performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value9,090 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value34.0 s

0/100

10%

Network Requests Diagram

courses-english.ru

1133 ms

style.min.css

273 ms

styles.min.css

545 ms

css

40 ms

style.min.css

828 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 36% of them (22 requests) were addressed to the original Courses-english.ru, 16% (10 requests) were made to Youtube.com and 16% (10 requests) were made to Jnn-pa.googleapis.com. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain Courses-english.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 479.4 kB (37%)

Content Size

1.3 MB

After Optimization

799.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Courses-english.ru main page is 1.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 65% of websites need less resources to load. CSS take 522.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 51.2 kB

  • Original 65.1 kB
  • After minification 63.5 kB
  • After compression 13.9 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 51.2 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 505.5 kB
  • After minification 505.5 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. Courses English images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 25.6 kB

  • Original 186.4 kB
  • After minification 186.4 kB
  • After compression 160.8 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 25.6 kB or 14% of the original size.

CSS Optimization

-77%

Potential reduce by 402.6 kB

  • Original 522.1 kB
  • After minification 521.7 kB
  • After compression 119.5 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. Courses-english.ru needs all CSS files to be minified and compressed as it can save up to 402.6 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (29%)

Requests Now

51

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Courses English. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

courses-english.ru

courses-english.ru

1133 ms

style.min.css

style.min.css

273 ms

styles.min.css

styles.min.css

545 ms

css

css

40 ms

style.min.css

style.min.css

828 ms

jquery.min.js

jquery.min.js

1103 ms

js

js

68 ms

123566.js

123566.js

521 ms

scripts.min.js

scripts.min.js

821 ms

scripts.min.js

scripts.min.js

864 ms

Ty65sv7kDQk

Ty65sv7kDQk

444 ms

v0ZDTpbVhiQ

v0ZDTpbVhiQ

455 ms

NMvyjOnoe-E

NMvyjOnoe-E

589 ms

WplHyEQGDrQ

WplHyEQGDrQ

584 ms

f4ioMGDQblI

f4ioMGDQblI

579 ms

puzzle-english1.png

puzzle-english1.png

416 ms

lingq-1.jpg

lingq-1.jpg

724 ms

lingq-2.jpg

lingq-2.jpg

1943 ms

lingualeo1.png

lingualeo1.png

1944 ms

busuu.png

busuu.png

1943 ms

memrise.jpg

memrise.jpg

722 ms

escc_1.png

escc_1.png

722 ms

escc_2.png

escc_2.png

1943 ms

escc_3.png

escc_3.png

2295 ms

escc_4.png

escc_4.png

1938 ms

udemy.png

udemy.png

2922 ms

englishdom.png

englishdom.png

2922 ms

englex.png

englex.png

2921 ms

www-player.css

www-player.css

59 ms

www-embed-player.js

www-embed-player.js

172 ms

base.js

base.js

364 ms

fetch-polyfill.js

fetch-polyfill.js

171 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w9aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w9aX8.ttf

261 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw9aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw9aX8.ttf

332 ms

wpshop-core.ttf

wpshop-core.ttf

2538 ms

JTUFjIg1_i6t8kCHKm459Wx7xQYXK0vOoz6jq6R9WXx0ow.ttf

JTUFjIg1_i6t8kCHKm459Wx7xQYXK0vOoz6jq6R9WXx0ow.ttf

360 ms

tag.js

tag.js

2655 ms

hit

hit

1549 ms

code.js

code.js

2530 ms

admin-ajax.php

admin-ajax.php

3573 ms

ad_status.js

ad_status.js

1609 ms

WmYtwbYsvJeTDmsuIOmqRAOrqYQ4FznKv6GQB7SOtoo.js

WmYtwbYsvJeTDmsuIOmqRAOrqYQ4FznKv6GQB7SOtoo.js

1354 ms

embed.js

embed.js

543 ms

counter2

counter2

738 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

330 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

328 ms

Create

Create

636 ms

Create

Create

642 ms

Create

Create

639 ms

Create

Create

643 ms

Create

Create

726 ms

id

id

106 ms

counter

counter

543 ms

advert.gif

advert.gif

485 ms

GenerateIT

GenerateIT

19 ms

GenerateIT

GenerateIT

23 ms

GenerateIT

GenerateIT

18 ms

GenerateIT

GenerateIT

13 ms

GenerateIT

GenerateIT

16 ms

sync_cookie_image_decide

sync_cookie_image_decide

122 ms

tracker

tracker

129 ms

Accessibility Review

courses-english.ru accessibility score

94

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

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

High

Links do not have a discernible name

Best Practices

courses-english.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

courses-english.ru SEO score

100

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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Courses-english.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Courses-english.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

courses-english.ru

Open Graph data is detected on the main page of Courses English. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: