Tools & Wizards About Us
bis-english.ru screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

bis-english.ru

Курсы английского языка в Санкт-Петербурге (СПб) / Школа английского языка «Bis-English» — Обучение английскому языку

Page Load Speed

17.9 sec in total

First Response

472 ms

Resources Loaded

16.5 sec

Page Rendered

894 ms

bis-english.ru screenshot

About Website

Click here to check amazing Bis English content for Russia. Otherwise, check out these important facts you probably never knew about bis-english.ru

Школа английского языка «BIS-English» предлагает курсы делового английского и курсы общего разговорного английского. Также школа успешно готовит к международным экзаменам TOEFL, IELTS, FCE, BEC

Visit bis-english.ru

Key Findings

We analyzed Bis-english.ru page load time and found that the first response time was 472 ms and then it took 17.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

bis-english.ru performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value12.3 s

0/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.024

100/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

bis-english.ru

472 ms

bis-english.ru

575 ms

css

39 ms

owl.carousel.css

110 ms

owl.theme.css

220 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 71% of them (42 requests) were addressed to the original Bis-english.ru, 7% (4 requests) were made to Mc.yandex.com and 3% (2 requests) were made to Yastatic.net. The less responsive or slowest element that took the longest time to load (15.4 sec) belongs to the original domain Bis-english.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 443.8 kB (5%)

Content Size

9.0 MB

After Optimization

8.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bis-english.ru main page is 9.0 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. 40% of websites need less resources to load. Images take 8.5 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 107.8 kB

  • Original 132.1 kB
  • After minification 130.5 kB
  • After compression 24.3 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. 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 107.8 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 332.5 kB

  • Original 8.5 MB
  • After minification 8.2 MB

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. Bis English images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.5 kB

  • Original 339.9 kB
  • After minification 339.9 kB
  • After compression 338.3 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

-16%

Potential reduce by 2.0 kB

  • Original 12.5 kB
  • After minification 11.7 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. Bis-english.ru needs all CSS files to be minified and compressed as it can save up to 2.0 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (43%)

Requests Now

51

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bis 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 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bis-english.ru

bis-english.ru

472 ms

bis-english.ru

bis-english.ru

575 ms

css

css

39 ms

owl.carousel.css

owl.carousel.css

110 ms

owl.theme.css

owl.theme.css

220 ms

bis_min.css

bis_min.css

331 ms

adaptive_min.css

adaptive_min.css

339 ms

logo.svg

logo.svg

404 ms

podsert.png

podsert.png

466 ms

1469379486.png

1469379486.png

675 ms

20201014_182812.jpg

20201014_182812.jpg

1764 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

555 ms

owl.carousel.min.js

owl.carousel.min.js

452 ms

jquery.maskedinput-1.3.min.js

jquery.maskedinput-1.3.min.js

1280 ms

api.js

api.js

37 ms

es5-shims.min.js

es5-shims.min.js

495 ms

share.js

share.js

712 ms

bis.js

bis.js

564 ms

Talgat_1.jpg

Talgat_1.jpg

701 ms

Eric_1.jpg

Eric_1.jpg

1328 ms

file_1.jpg

file_1.jpg

1573 ms

thumb_Sikorskii.jpg

thumb_Sikorskii.jpg

896 ms

thumb_Simon.jpg

thumb_Simon.jpg

945 ms

thumb_Airin.jpg

thumb_Airin.jpg

1010 ms

thumb_Ivankova.JPG

thumb_Ivankova.JPG

1051 ms

thumb_J-Corbin.JPG

thumb_J-Corbin.JPG

1235 ms

thumb_Sasha_Osnovina.jpg

thumb_Sasha_Osnovina.jpg

1161 ms

thumb_Anastasiia_Ivanova.jpg

thumb_Anastasiia_Ivanova.jpg

1271 ms

thumb_Marina_Kudashova.jpg

thumb_Marina_Kudashova.jpg

1378 ms

canada.png

canada.png

1380 ms

un10-3.png

un10-3.png

15445 ms

ro.png

ro.png

1435 ms

pay.png

pay.png

1466 ms

hit

hit

656 ms

bg2.jpg

bg2.jpg

1254 ms

logo-foot.png

logo-foot.png

1205 ms

menu-button-white.svg

menu-button-white.svg

1242 ms

drdown2.svg

drdown2.svg

1314 ms

stripe.png

stripe.png

1347 ms

otzyv-bg.png

otzyv-bg.png

1355 ms

testimonials-icon.svg

testimonials-icon.svg

1358 ms

vk.png

vk.png

1421 ms

facebook.png

facebook.png

1460 ms

twitter.png

twitter.png

1467 ms

instagram.png

instagram.png

1463 ms

font

font

20 ms

rtrg

rtrg

461 ms

rtrg

rtrg

507 ms

hit

hit

131 ms

recaptcha__en.js

recaptcha__en.js

59 ms

25850

25850

123 ms

watch.js

watch.js

36 ms

button-left.svg

button-left.svg

543 ms

button-right.svg

button-right.svg

546 ms

tag.js

tag.js

735 ms

advert.gif

advert.gif

694 ms

sync_cookie_image_decide

sync_cookie_image_decide

178 ms

1

1

134 ms

1

1

269 ms

Accessibility Review

bis-english.ru accessibility score

64

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.

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

bis-english.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

bis-english.ru SEO score

97

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

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bis-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 Bis-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

bis-english.ru

Open Graph description is not detected on the main page of Bis English. 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: