Tools & Wizards About Us
profi-teacher.ru screenshot

Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

profi-teacher.ru

Репетиторы по скайпу в Profi-Teacher.ru - дистанционные уроки, курсы онлайн через Skype

Page Load Speed

10.6 sec in total

First Response

592 ms

Resources Loaded

9.4 sec

Page Rendered

561 ms

profi-teacher.ru screenshot

About Website

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

Онлайн обучение с репетиторами в profi-teacher - это удобный выбор дистанционных репетиторов. Уроки через интернет, Skype. Подготовка к экзаменам, ОГЭ, ЕГЭ.

Visit profi-teacher.ru

Key Findings

We analyzed Profi-teacher.ru page load time and found that the first response time was 592 ms and then it took 10 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

profi-teacher.ru performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value20.0 s

0/100

10%

TBT (Total Blocking Time)

Value24,370 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value1.122

1/100

15%

TTI (Time to Interactive)

Value45.9 s

0/100

10%

Network Requests Diagram

profi-teacher.ru

592 ms

profi-teacher.ru

447 ms

reset.css

107 ms

style.css

214 ms

owl.carousel.css

318 ms

Our browser made a total of 224 requests to load all elements on the main page. We found that 23% of them (52 requests) were addressed to the original Profi-teacher.ru, 21% (47 requests) were made to St6-21.vk.com and 12% (27 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (4.2 sec) relates to the external source St6-21.vk.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 669.4 kB (16%)

Content Size

4.3 MB

After Optimization

3.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Profi-teacher.ru main page is 4.3 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. Only a small number of websites need less resources to load. Javascripts take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 67.3 kB

  • Original 87.3 kB
  • After minification 85.7 kB
  • After compression 20.0 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 67.3 kB or 77% of the original size.

Image Optimization

-22%

Potential reduce by 196.1 kB

  • Original 900.4 kB
  • After minification 704.2 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, Profi Teacher needs image optimization as it can save up to 196.1 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-12%

Potential reduce by 329.2 kB

  • Original 2.7 MB
  • After minification 2.7 MB
  • After compression 2.3 MB

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 329.2 kB or 12% of the original size.

CSS Optimization

-13%

Potential reduce by 76.8 kB

  • Original 607.7 kB
  • After minification 607.7 kB
  • After compression 530.9 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. Profi-teacher.ru needs all CSS files to be minified and compressed as it can save up to 76.8 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 109 (50%)

Requests Now

218

After Optimization

109

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 218 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Profi Teacher. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 65 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

profi-teacher.ru

profi-teacher.ru

592 ms

profi-teacher.ru

profi-teacher.ru

447 ms

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107 ms

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925 ms

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924 ms

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913 ms

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930 ms

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921 ms

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995 ms

GenerateIT

GenerateIT

243 ms

GenerateIT

GenerateIT

241 ms

GenerateIT

GenerateIT

490 ms

GenerateIT

GenerateIT

389 ms

GenerateIT

GenerateIT

264 ms

log_event

log_event

232 ms

log_event

log_event

216 ms

727 ms

overlay.png

overlay.png

472 ms

ya-share-cnt.html

ya-share-cnt.html

460 ms

watch.js

watch.js

22 ms

dyn-goal-config.js

dyn-goal-config.js

273 ms

upload.gif

upload.gif

224 ms

b-share-icon.png

b-share-icon.png

420 ms

b-share_counter_small.png

b-share_counter_small.png

548 ms

advert.gif

advert.gif

196 ms

1

1

142 ms

share_count

share_count

884 ms

dk

dk

779 ms

fql.query

fql.query

42 ms

share.php

share.php

135 ms

widget2.css

widget2.css

122 ms

ua-parser.min.js

ua-parser.min.js

398 ms

_chat_socket.min.js

_chat_socket.min.js

752 ms

watch.js

watch.js

73 ms

log_event

log_event

338 ms

log_event

log_event

343 ms

log_event

log_event

341 ms

log_event

log_event

322 ms

log_event

log_event

308 ms

log_event

log_event

307 ms

log_event

log_event

314 ms

log_event

log_event

305 ms

arrow.png

arrow.png

98 ms

im_enter.png

im_enter.png

98 ms

cloudim-chat-label.png

cloudim-chat-label.png

96 ms

default.png

default.png

97 ms

online.php

online.php

188 ms

tracker

tracker

130 ms

Accessibility Review

profi-teacher.ru accessibility score

68

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

profi-teacher.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

profi-teacher.ru SEO score

89

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

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 Profi-teacher.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 Profi-teacher.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

profi-teacher.ru

Open Graph description is not detected on the main page of Profi Teacher. 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: