Tools & Wizards About Us
computer-museum.ru screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

computer-museum.ru

Виртуальный компьютерный музей

Page Load Speed

4.7 sec in total

First Response

551 ms

Resources Loaded

4 sec

Page Rendered

237 ms

computer-museum.ru screenshot

About Website

Welcome to computer-museum.ru homepage info - get ready to check Computer Museum best content for Russia right away, or after learning these important things about computer-museum.ru

Виртуальный компьютерный музей. История компьютеров в СССР и за рубежом. Англо-русский компьютерный словарь. Вычисления в докомпьютерную эпоху. Технологии. Компьютерные игры. История развития электрос...

Visit computer-museum.ru

Key Findings

We analyzed Computer-museum.ru page load time and found that the first response time was 551 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

computer-museum.ru performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

2/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

computer-museum.ru

551 ms

computer-museum.ru

934 ms

ui.design-tokens.css

346 ms

style.css

488 ms

popup.css

684 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 92% of them (35 requests) were addressed to the original Computer-museum.ru, 5% (2 requests) were made to Bitrix.info and 3% (1 request) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Computer-museum.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 984.1 kB (77%)

Content Size

1.3 MB

After Optimization

301.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Computer-museum.ru main page is 1.3 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. 30% of websites need less resources to load. Javascripts take 844.3 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 60.0 kB

  • Original 70.8 kB
  • After minification 65.6 kB
  • After compression 10.8 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 60.0 kB or 85% of the original size.

Image Optimization

-9%

Potential reduce by 4.2 kB

  • Original 46.2 kB
  • After minification 42.0 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. Computer Museum images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 642.9 kB

  • Original 844.3 kB
  • After minification 818.7 kB
  • After compression 201.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 642.9 kB or 76% of the original size.

CSS Optimization

-86%

Potential reduce by 277.1 kB

  • Original 324.0 kB
  • After minification 271.9 kB
  • After compression 46.9 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. Computer-museum.ru needs all CSS files to be minified and compressed as it can save up to 277.1 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (59%)

Requests Now

32

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Computer Museum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

computer-museum.ru

computer-museum.ru

551 ms

computer-museum.ru

computer-museum.ru

934 ms

ui.design-tokens.css

ui.design-tokens.css

346 ms

style.css

style.css

488 ms

popup.css

popup.css

684 ms

bootstrap.css

bootstrap.css

1068 ms

font-awesome.min.css

font-awesome.min.css

749 ms

jquery.fancybox.css

jquery.fancybox.css

589 ms

owl.carousel.css

owl.carousel.css

592 ms

fonts.css

fonts.css

632 ms

main.css

main.css

1035 ms

media.css

media.css

881 ms

core.js

core.js

1543 ms

core_fx.js

core_fx.js

846 ms

pageobject.js

pageobject.js

887 ms

core_window.js

core_window.js

1252 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

1331 ms

bootstrap.min.js

bootstrap.min.js

1181 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

1203 ms

owl.carousel.min.js

owl.carousel.min.js

1199 ms

accordeon.js

accordeon.js

1321 ms

common.js

common.js

1330 ms

ba.js

ba.js

286 ms

muzeum-logo.svg

muzeum-logo.svg

280 ms

rutube-icon.png

rutube-icon.png

146 ms

ribbon-1.png

ribbon-1.png

145 ms

top_sorucom.jpg

top_sorucom.jpg

138 ms

donate.png

donate.png

146 ms

9_maya.jpg

9_maya.jpg

133 ms

toplogo_sorucom.png

toplogo_sorucom.png

266 ms

rutube.png

rutube.png

271 ms

donate-icon.png

donate-icon.png

289 ms

hit

hit

529 ms

Lato-Regular.woff

Lato-Regular.woff

959 ms

Lato-Bold.woff

Lato-Bold.woff

937 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

439 ms

scroll-top.svg

scroll-top.svg

311 ms

bx_stat

bx_stat

192 ms

Accessibility Review

computer-museum.ru accessibility score

54

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

computer-museum.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

computer-museum.ru SEO score

83

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

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 Computer-museum.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 Computer-museum.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

computer-museum.ru

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