Tools & Wizards About Us
alibra.ru screenshot

Report Summary

  • 3

    Performance

    Renders faster than
    20% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

alibra.ru

Школа иностранных языков Alibra School - изучение языков для взрослых и детей

Page Load Speed

8.8 sec in total

First Response

551 ms

Resources Loaded

8.2 sec

Page Rendered

103 ms

alibra.ru screenshot

About Website

Visit alibra.ru now to see the best up-to-date Alibra content for Russia and also check out these interesting facts you probably never knew about alibra.ru

Школа иностранных языков Alibra School - 27 центров изучения в Москве, Казани и онлайн из любой точки мира. Уникальные программы обучения для взрослых и детей, занятия в группах, индивидуально и онлай...

Visit alibra.ru

Key Findings

We analyzed Alibra.ru page load time and found that the first response time was 551 ms and then it took 8.3 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

alibra.ru performance score

3

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value17.2 s

0/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value5,520 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.659

8/100

15%

TTI (Time to Interactive)

Value28.0 s

0/100

10%

Network Requests Diagram

alibra.ru

551 ms

alibra.ru

597 ms

www.alibra.ru

1663 ms

style.css

251 ms

style.css

377 ms

Our browser made a total of 137 requests to load all elements on the main page. We found that 61% of them (83 requests) were addressed to the original Alibra.ru, 18% (24 requests) were made to Content.saas-support.com and 3% (4 requests) were made to Whitesaas.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Alibra.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (19%)

Content Size

8.3 MB

After Optimization

6.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Alibra.ru main page is 8.3 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 5.9 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 723.3 kB

  • Original 818.8 kB
  • After minification 760.5 kB
  • After compression 95.5 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 723.3 kB or 88% of the original size.

Image Optimization

-2%

Potential reduce by 137.3 kB

  • Original 5.9 MB
  • After minification 5.7 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. Alibra images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 651.4 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 756.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 651.4 kB or 46% of the original size.

CSS Optimization

-28%

Potential reduce by 62.1 kB

  • Original 222.4 kB
  • After minification 222.1 kB
  • After compression 160.3 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. Alibra.ru needs all CSS files to be minified and compressed as it can save up to 62.1 kB or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 62 (52%)

Requests Now

119

After Optimization

57

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alibra. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

alibra.ru

alibra.ru

551 ms

alibra.ru

alibra.ru

597 ms

www.alibra.ru

www.alibra.ru

1663 ms

style.css

style.css

251 ms

style.css

style.css

377 ms

main.css

main.css

793 ms

style.css

style.css

404 ms

style.css

style.css

434 ms

styles.css

styles.css

436 ms

template_styles.css

template_styles.css

435 ms

2.2.228

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641 ms

md5.js

md5.js

25 ms

loader.js

loader.js

945 ms

script.js

script.js

381 ms

script.js

script.js

413 ms

vendor.js

vendor.js

1100 ms

main.js

main.js

611 ms

map.js

map.js

466 ms

other.js

other.js

508 ms

custom.js

custom.js

544 ms

script.js

script.js

611 ms

js

js

44 ms

tracker.js

tracker.js

804 ms

cbk.css

cbk.css

806 ms

cbk.js

cbk.js

864 ms

tag.js

tag.js

974 ms

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127 ms

code.js

code.js

865 ms

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DSPCounter.js

966 ms

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1261 ms

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204 ms

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218 ms

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1651 ms

polosa_1.svg

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747 ms

polosa_2.svg

polosa_2.svg

818 ms

polosa_3.svg

polosa_3.svg

817 ms

www.alibra.ru

www.alibra.ru

2290 ms

item__image_1.png

item__image_1.png

817 ms

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914 ms

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913 ms

clock.png

clock.png

927 ms

house.png

house.png

1042 ms

student.png

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note.png

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1418 ms

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1438 ms

captcha.php

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2039 ms

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1662 ms

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1504 ms

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1501 ms

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1500 ms

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1724 ms

ba.js

ba.js

540 ms

init.js

init.js

1024 ms

gtm.js

gtm.js

352 ms

api

api

798 ms

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1975 ms

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1795 ms

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1840 ms

sync-loader.js

sync-loader.js

817 ms

counter

counter

151 ms

dyn-goal-config.js

dyn-goal-config.js

253 ms

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1772 ms

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1785 ms

AdRiverFPSN.js

AdRiverFPSN.js

802 ms

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1896 ms

bx_stat

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188 ms

advert.gif

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647 ms

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1739 ms

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1698 ms

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950 ms

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1584 ms

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167 ms

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134 ms

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126 ms

s.js

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123 ms

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128 ms

508 ms

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146 ms

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1471 ms

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218 ms

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505 ms

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107 ms

vue.min.js

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259 ms

vue-resource.min.js

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jquery-1.11.2.min.js

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233 ms

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253 ms

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188 ms

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tracker

187 ms

Accessibility Review

alibra.ru accessibility score

87

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

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

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

alibra.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

Missing source maps for large first-party JavaScript

SEO Factors

alibra.ru 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

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

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

alibra.ru

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