Tools & Wizards About Us
repetitor.1c.ru screenshot

Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

repetitor.1c.ru

Подготовка к ЕГЭ по математике - профильный уровень (профиль) | 1C: Репетитор

Page Load Speed

5.1 sec in total

First Response

196 ms

Resources Loaded

3.9 sec

Page Rendered

1 sec

repetitor.1c.ru screenshot

About Website

Welcome to repetitor.1c.ru homepage info - get ready to check Repetitor 1C best content for Russia right away, or after learning these important things about repetitor.1c.ru

Самостоятельная подготовка к ЕГЭ по математике профильного уровня 2023-2024 с нуля (11 класс). Лучшие и самые эффективные курсы подготовки – профиль.

Visit repetitor.1c.ru

Key Findings

We analyzed Repetitor.1c.ru page load time and found that the first response time was 196 ms and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

repetitor.1c.ru performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value3.9 s

89/100

10%

Network Requests Diagram

repetitor.1c.ru

196 ms

repetitor.1c.ru

947 ms

template_08a195ce59ccd5d57aa5196f6c5e2f34_v1.css

646 ms

additional_style.css

636 ms

logo-parent.png

637 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 77% of them (34 requests) were addressed to the original Repetitor.1c.ru, 5% (2 requests) were made to Youtube.com and 5% (2 requests) were made to Bitrix.info. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Repetitor.1c.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 520.7 kB (26%)

Content Size

2.0 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Repetitor.1c.ru main page is 2.0 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. 35% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 101.5 kB

  • Original 118.9 kB
  • After minification 80.7 kB
  • After compression 17.4 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. This page needs HTML code to be minified as it can gain 38.2 kB, which is 32% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 101.5 kB or 85% of the original size.

Image Optimization

-33%

Potential reduce by 394.1 kB

  • Original 1.2 MB
  • After minification 792.6 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, Repetitor 1C needs image optimization as it can save up to 394.1 kB or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-3%

Potential reduce by 18.5 kB

  • Original 639.0 kB
  • After minification 639.0 kB
  • After compression 620.5 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

-12%

Potential reduce by 6.6 kB

  • Original 54.4 kB
  • After minification 54.4 kB
  • After compression 47.8 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. Repetitor.1c.ru needs all CSS files to be minified and compressed as it can save up to 6.6 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (41%)

Requests Now

37

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Repetitor 1C. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

repetitor.1c.ru

repetitor.1c.ru

196 ms

repetitor.1c.ru

repetitor.1c.ru

947 ms

template_08a195ce59ccd5d57aa5196f6c5e2f34_v1.css

template_08a195ce59ccd5d57aa5196f6c5e2f34_v1.css

646 ms

additional_style.css

additional_style.css

636 ms

logo-parent.png

logo-parent.png

637 ms

arrow-1.png

arrow-1.png

636 ms

guys-2.png

guys-2.png

1056 ms

icon-how-4.svg

icon-how-4.svg

839 ms

icon-how-3.svg

icon-how-3.svg

848 ms

icon-how-2.svg

icon-how-2.svg

848 ms

icon-how-1.svg

icon-how-1.svg

846 ms

tutor1.png

tutor1.png

2346 ms

tutor%200.png

tutor%200.png

1621 ms

tutor3.png

tutor3.png

1432 ms

tutor4.png

tutor4.png

1434 ms

tutor5.png

tutor5.png

1456 ms

tutor5.png

tutor5.png

1239 ms

js

js

61 ms

api.js

api.js

40 ms

core.js

core.js

1537 ms

captcha.php

captcha.php

1627 ms

protobuf.js

protobuf.js

1615 ms

model.js

model.js

1611 ms

core_promise.js

core_promise.js

1704 ms

rest.client.js

rest.client.js

1815 ms

pull.client.js

pull.client.js

1780 ms

iframe_api

iframe_api

48 ms

template_85ed1ba867167da4fcdee462d36ace17_v1.js

template_85ed1ba867167da4fcdee462d36ace17_v1.js

1808 ms

additional_script.js

additional_script.js

1781 ms

bg_main_head.png

bg_main_head.png

1128 ms

bg_actions.png

bg_actions.png

1187 ms

bg_curse.png

bg_curse.png

1190 ms

sprite.svg

sprite.svg

1222 ms

32B4F6_4_0.woff

32B4F6_4_0.woff

1318 ms

32B4F6_8_0.woff

32B4F6_8_0.woff

1213 ms

32B4F6_6_0.woff

32B4F6_6_0.woff

1288 ms

32B4F6_2_0.woff

32B4F6_2_0.woff

1317 ms

recaptcha__en.js

recaptcha__en.js

25 ms

www-widgetapi.js

www-widgetapi.js

65 ms

ba.js

ba.js

283 ms

tag.js

tag.js

841 ms

bx_stat

bx_stat

184 ms

openapi.a2ed73393cad04481c1dfb3f7794921f.js

openapi.a2ed73393cad04481c1dfb3f7794921f.js

241 ms

rtrg

rtrg

135 ms

Accessibility Review

repetitor.1c.ru accessibility score

64

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

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

repetitor.1c.ru best practices score

83

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

SEO Factors

repetitor.1c.ru SEO score

86

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

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

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Repetitor.1c.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 Repetitor.1c.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

repetitor.1c.ru

Open Graph description is not detected on the main page of Repetitor 1C. 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: