Tools & Wizards About Us
esl-school.ru screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

esl-school.ru

Лингвистический центр, школа изучения иностранных языков Lingvo Studio

Page Load Speed

3.8 sec in total

First Response

574 ms

Resources Loaded

2.9 sec

Page Rendered

334 ms

esl-school.ru screenshot

About Website

Click here to check amazing Esl School content for Russia. Otherwise, check out these important facts you probably never knew about esl-school.ru

Ускоренные курсы английского языка для начинающих предоставляются нашим лингвистическим центром по четко установленному расписанию. Только обучаясь в группе по 12 академических часов в неделю, вы смож...

Visit esl-school.ru

Key Findings

We analyzed Esl-school.ru page load time and found that the first response time was 574 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

esl-school.ru performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

Network Requests Diagram

esl-school.ru

574 ms

esl-school.ru

622 ms

267704199.js

92 ms

styles.css

141 ms

styles2.css

280 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 79% of them (49 requests) were addressed to the original Esl-school.ru, 3% (2 requests) were made to Google-analytics.com and 3% (2 requests) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Esl-school.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 91.2 kB (17%)

Content Size

538.3 kB

After Optimization

447.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Esl-school.ru main page is 538.3 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. 30% of websites need less resources to load. Images take 332.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 61.1 kB

  • Original 76.5 kB
  • After minification 75.1 kB
  • After compression 15.4 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 61.1 kB or 80% of the original size.

Image Optimization

-6%

Potential reduce by 18.6 kB

  • Original 332.3 kB
  • After minification 313.7 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. Esl School images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 9.2 kB

  • Original 113.8 kB
  • After minification 113.8 kB
  • After compression 104.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-15%

Potential reduce by 2.3 kB

  • Original 15.7 kB
  • After minification 15.7 kB
  • After compression 13.3 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. Esl-school.ru needs all CSS files to be minified and compressed as it can save up to 2.3 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (59%)

Requests Now

56

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Esl School. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

esl-school.ru

esl-school.ru

574 ms

esl-school.ru

esl-school.ru

622 ms

267704199.js

267704199.js

92 ms

styles.css

styles.css

141 ms

styles2.css

styles2.css

280 ms

jquery-ui-1.8.22.custom.css

jquery-ui-1.8.22.custom.css

420 ms

jquery.ui.theme.css

jquery.ui.theme.css

418 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

569 ms

jquery-ui-1.8.22.custom.min.js

jquery-ui-1.8.22.custom.min.js

567 ms

jquery.fancybox-1.3.4.pack.js

jquery.fancybox-1.3.4.pack.js

424 ms

scripts.js

scripts.js

424 ms

jquery.fancybox-1.3.4.css

jquery.fancybox-1.3.4.css

554 ms

modal.css

modal.css

555 ms

share.js

share.js

497 ms

widget.js

widget.js

520 ms

school_fon.gif

school_fon.gif

275 ms

8414789965

8414789965

672 ms

logo.png

logo.png

185 ms

greenfon.gif

greenfon.gif

182 ms

greentophr.gif

greentophr.gif

184 ms

greenbothr.gif

greenbothr.gif

182 ms

green_kvadrat.gif

green_kvadrat.gif

183 ms

pingfon.gif

pingfon.gif

343 ms

vk.png

vk.png

340 ms

tglogo30.png

tglogo30.png

342 ms

zen-new-icon50.png

zen-new-icon50.png

341 ms

cambridge_center.jpg

cambridge_center.jpg

453 ms

find_bg.gif

find_bg.gif

382 ms

search_button.gif

search_button.gif

455 ms

mainmenufon.gif

mainmenufon.gif

455 ms

topmenu_fon.gif

topmenu_fon.gif

455 ms

mainmenu_right_sep.gif

mainmenu_right_sep.gif

455 ms

topmenu_fon_green.gif

topmenu_fon_green.gif

517 ms

mainmenu_right_sep_green.gif

mainmenu_right_sep_green.gif

589 ms

green_fon_sep.gif

green_fon_sep.gif

591 ms

WhatsApp%20Image%202023-09-13%20at%2019_05_30%20(1)(1).jpeg

WhatsApp%20Image%202023-09-13%20at%2019_05_30%20(1)(1).jpeg

1014 ms

urok(1).png

urok(1).png

595 ms

business_people_2(1).jpg

business_people_2(1).jpg

734 ms

student(2).jpg

student(2).jpg

653 ms

rebenok.jpg

rebenok.jpg

725 ms

greenbothr_news.gif

greenbothr_news.gif

729 ms

news_hr.gif

news_hr.gif

734 ms

green_treugolnik.gif

green_treugolnik.gif

790 ms

calendar_title.gif

calendar_title.gif

778 ms

calendar_strelka_right.gif

calendar_strelka_right.gif

784 ms

otzivi_title.gif

otzivi_title.gif

791 ms

oblako_top.gif

oblako_top.gif

788 ms

oblako_mid.gif

oblako_mid.gif

841 ms

oblako_footer.gif

oblako_footer.gif

913 ms

sq-subscribe-green.gif

sq-subscribe-green.gif

921 ms

footerfon.gif

footerfon.gif

928 ms

analytics.js

analytics.js

70 ms

hit

hit

542 ms

watch.js

watch.js

2 ms

perfect.png

perfect.png

902 ms

client.js

client.js

789 ms

b-share-icon.png

b-share-icon.png

625 ms

watch.js

watch.js

0 ms

ui-bg_flat_75_ffffff_40x100.png

ui-bg_flat_75_ffffff_40x100.png

890 ms

collect

collect

16 ms

js

js

77 ms

hit

hit

135 ms

Accessibility Review

esl-school.ru accessibility score

70

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.

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

esl-school.ru best practices score

58

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

esl-school.ru SEO score

92

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Esl-school.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 Esl-school.ru main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

esl-school.ru

Open Graph description is not detected on the main page of Esl School. 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: