Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

fea.ru

CompMechLab - разработка и применение цифровых двойников (digital twin), цифровое проектирование, CAD/CAE/CAM/CAO/HPC технологии

Page Load Speed

8.5 sec in total

First Response

507 ms

Resources Loaded

4.9 sec

Page Rendered

3.1 sec

fea.ru screenshot

About Website

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

Инжиниринговый центр «Центр компьютерного инжиниринга» (CompMechLab®) Санкт-Петербургского политехнического университета Петра Великого – лидер в сфере цифрового проектирования и моделирования, компью...

Visit fea.ru

Key Findings

We analyzed Fea.ru page load time and found that the first response time was 507 ms and then it took 8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

fea.ru performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value20.6 s

0/100

10%

TBT (Total Blocking Time)

Value1,030 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.468

19/100

15%

TTI (Time to Interactive)

Value62.8 s

0/100

10%

Network Requests Diagram

fea.ru

507 ms

fea.ru

1175 ms

css

39 ms

clear.css

387 ms

screen.css

516 ms

Our browser made a total of 139 requests to load all elements on the main page. We found that 27% of them (38 requests) were addressed to the original Fea.ru, 42% (59 requests) were made to Assets.compmechlab.ru and 15% (21 requests) were made to Assets.fea.ru. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Assets.compmechlab.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 864.0 kB (5%)

Content Size

17.2 MB

After Optimization

16.3 MB

In fact, the total size of Fea.ru main page is 17.2 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. Only a small number of websites need less resources to load. Images take 16.5 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 362.6 kB

  • Original 410.2 kB
  • After minification 342.8 kB
  • After compression 47.7 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 67.4 kB, which is 16% 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 362.6 kB or 88% of the original size.

Image Optimization

-2%

Potential reduce by 393.2 kB

  • Original 16.5 MB
  • After minification 16.1 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. Fea images are well optimized though.

JavaScript Optimization

-31%

Potential reduce by 77.8 kB

  • Original 253.9 kB
  • After minification 219.7 kB
  • After compression 176.2 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 77.8 kB or 31% of the original size.

CSS Optimization

-82%

Potential reduce by 30.6 kB

  • Original 37.1 kB
  • After minification 25.3 kB
  • After compression 6.5 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. Fea.ru needs all CSS files to be minified and compressed as it can save up to 30.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (31%)

Requests Now

134

After Optimization

93

The browser has sent 134 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Fea. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

fea.ru accessibility score

79

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-hidden="true"] elements contain focusable descendents

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

fea.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

fea.ru SEO score

62

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Fea.ru can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Fea.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 Fea. 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: