Tools & Wizards About Us
sch2000.ru screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

sch2000.ru

Главная — Петерсон

Page Load Speed

27.3 sec in total

First Response

488 ms

Resources Loaded

26.2 sec

Page Rendered

587 ms

sch2000.ru screenshot

About Website

Click here to check amazing Sch 2000 content for Russia. Otherwise, check out these important facts you probably never knew about sch2000.ru

Институт системно-деятельной педагогики - Петерсон

Visit sch2000.ru

Key Findings

We analyzed Sch2000.ru page load time and found that the first response time was 488 ms and then it took 26.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

sch2000.ru performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value2,870 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.15

76/100

15%

TTI (Time to Interactive)

Value24.6 s

0/100

10%

Network Requests Diagram

sch2000.ru

488 ms

sch2000.ru

444 ms

www.sch2000.ru

475 ms

www.sch2000.ru

453 ms

peterson.institute

1919 ms

Our browser made a total of 106 requests to load all elements on the main page. We found that 4% of them (4 requests) were addressed to the original Sch2000.ru, 75% (79 requests) were made to Peterson.institute and 8% (8 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Peterson.institute.

Page Optimization Overview & Recommendations

Page size can be reduced by 670.5 kB (17%)

Content Size

3.9 MB

After Optimization

3.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sch2000.ru main page is 3.9 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 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 595.2 kB

  • Original 823.4 kB
  • After minification 759.8 kB
  • After compression 228.2 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 595.2 kB or 72% of the original size.

Image Optimization

-3%

Potential reduce by 61.2 kB

  • Original 2.4 MB
  • After minification 2.3 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. Sch 2000 images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 8.2 kB

  • Original 499.2 kB
  • After minification 499.2 kB
  • After compression 491.0 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

-4%

Potential reduce by 5.9 kB

  • Original 136.5 kB
  • After minification 136.5 kB
  • After compression 130.6 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. Sch2000.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 43 (47%)

Requests Now

91

After Optimization

48

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sch 2000. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sch2000.ru

sch2000.ru

488 ms

sch2000.ru

sch2000.ru

444 ms

www.sch2000.ru

www.sch2000.ru

475 ms

www.sch2000.ru

www.sch2000.ru

453 ms

peterson.institute

peterson.institute

1919 ms

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20 ms

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26 ms

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template_8cf4906e1f6fd3ea7d1d242b37d8abb7_v1.css

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core.min.js

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537 ms

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30 ms

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523 ms

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532 ms

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550 ms

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151 ms

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266 ms

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274 ms

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16 ms

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Create

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118 ms

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Accessibility Review

sch2000.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.

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

sch2000.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

High

Page has valid source maps

SEO Factors

sch2000.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 Sch2000.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 Sch2000.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

sch2000.ru

Open Graph description is not detected on the main page of Sch 2000. 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: