Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

izuchi.ru

Обучение и образование в Челябинске: вузы, курсы, школы, колледжи, садики, автошколы - обучение в г Челябинске каждый день

Page Load Speed

25.7 sec in total

First Response

1.8 sec

Resources Loaded

23.2 sec

Page Rendered

751 ms

izuchi.ru screenshot

About Website

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

★★★Все об образовании в Челябинске и даже больше. Крупнейший учебный портал Челябинска, сотни отзывов и мнений, тысяча мелочей★★★

Visit izuchi.ru

Key Findings

We analyzed Izuchi.ru page load time and found that the first response time was 1.8 sec and then it took 23.9 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

izuchi.ru performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value6,150 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.85

4/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

www.izuchi.ru

1766 ms

css-92cc2.css

1283 ms

css-dd1ec.css

6056 ms

css-85522.css

1814 ms

js-fbe7b.js

8654 ms

Our browser made a total of 157 requests to load all elements on the main page. We found that 68% of them (106 requests) were addressed to the original Izuchi.ru, 7% (11 requests) were made to Vk.com and 5% (8 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (19.8 sec) relates to the external source Mc.yandex.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (52%)

Content Size

2.2 MB

After Optimization

1.1 MB

In fact, the total size of Izuchi.ru main page is 2.2 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. 60% of websites need less resources to load. Javascripts take 910.1 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 207.5 kB

  • Original 245.5 kB
  • After minification 214.7 kB
  • After compression 38.1 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 30.9 kB, which is 13% 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 207.5 kB or 84% of the original size.

Image Optimization

-7%

Potential reduce by 43.9 kB

  • Original 668.3 kB
  • After minification 624.4 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. Izuchi images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 573.3 kB

  • Original 910.1 kB
  • After minification 849.6 kB
  • After compression 336.8 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 573.3 kB or 63% of the original size.

CSS Optimization

-83%

Potential reduce by 332.8 kB

  • Original 398.8 kB
  • After minification 380.5 kB
  • After compression 66.0 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. Izuchi.ru needs all CSS files to be minified and compressed as it can save up to 332.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (31%)

Requests Now

145

After Optimization

100

The browser has sent 145 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Izuchi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

izuchi.ru accessibility score

78

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

izuchi.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

izuchi.ru SEO score

89

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

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 Izuchi.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 Izuchi.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

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