Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

chelschool1.ru

Главная - Гимназия №1 г. Челябинска - «Первая школа»

Page Load Speed

5.3 sec in total

First Response

542 ms

Resources Loaded

4.1 sec

Page Rendered

714 ms

chelschool1.ru screenshot

About Website

Visit chelschool1.ru now to see the best up-to-date Chelschool 1 content for Russia and also check out these interesting facts you probably never knew about chelschool1.ru

Новости, История, Традиции. Разделы "Учащимся", "Родителям", Методические материалы. Коммунарские Сборы. Форум. Английская версия.

Visit chelschool1.ru

Key Findings

We analyzed Chelschool1.ru page load time and found that the first response time was 542 ms and then it took 4.8 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

chelschool1.ru performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value680 ms

44/100

30%

CLS (Cumulative Layout Shift)

Value0.331

34/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

chelschool1.ru

542 ms

chelschool1.ru

983 ms

css-ac3e9-61004.css

142 ms

css-93e90-61005.css

287 ms

js-5c1d2-66452.js

549 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 75% of them (48 requests) were addressed to the original Chelschool1.ru, 5% (3 requests) were made to Pos.gosuslugi.ru and 5% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Chelschool1.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 544.1 kB (12%)

Content Size

4.5 MB

After Optimization

4.0 MB

In fact, the total size of Chelschool1.ru main page is 4.5 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. 65% of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 185.9 kB

  • Original 218.3 kB
  • After minification 179.0 kB
  • After compression 32.4 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 39.3 kB, which is 18% 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 185.9 kB or 85% of the original size.

Image Optimization

-9%

Potential reduce by 354.4 kB

  • Original 4.1 MB
  • After minification 3.7 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. Chelschool 1 images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 2.8 kB

  • Original 156.2 kB
  • After minification 156.2 kB
  • After compression 153.4 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

-2%

Potential reduce by 1.0 kB

  • Original 55.2 kB
  • After minification 55.2 kB
  • After compression 54.1 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. Chelschool1.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (25%)

Requests Now

55

After Optimization

41

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chelschool 1. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

chelschool1.ru accessibility score

81

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.

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

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

chelschool1.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

SEO Factors

chelschool1.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 Chelschool1.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 Chelschool1.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 Chelschool 1. 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: