Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% 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

112.4 sec in total

First Response

1.9 sec

Resources Loaded

110 sec

Page Rendered

491 ms

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 1.9 sec and then it took 110.5 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 were 10 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

fea.ru performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value16.9 s

0/100

10%

TBT (Total Blocking Time)

Value1,250 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.137

79/100

15%

TTI (Time to Interactive)

Value37.9 s

0/100

10%

Network Requests Diagram

fea.ru

1937 ms

css

49 ms

clear.css

362 ms

screen.css

524 ms

mddm.css

380 ms

Our browser made a total of 213 requests to load all elements on the main page. We found that 16% of them (35 requests) were addressed to the original Fea.ru, 42% (90 requests) were made to Assets.compmechlab.ru and 36% (76 requests) were made to Assets.fea.ru. The less responsive or slowest element that took the longest time to load (20.6 sec) relates to the external source Assets.fea.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 648.3 kB (14%)

Content Size

4.7 MB

After Optimization

4.1 MB

In fact, the total size of Fea.ru main page is 4.7 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. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 336.4 kB

  • Original 372.4 kB
  • After minification 245.3 kB
  • After compression 36.0 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 127.1 kB, which is 34% 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 336.4 kB or 90% of the original size.

Image Optimization

-4%

Potential reduce by 183.9 kB

  • Original 4.1 MB
  • After minification 4.0 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

-67%

Potential reduce by 99.4 kB

  • Original 147.9 kB
  • After minification 117.4 kB
  • After compression 48.6 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 99.4 kB or 67% of the original size.

CSS Optimization

-82%

Potential reduce by 28.7 kB

  • Original 34.8 kB
  • After minification 23.9 kB
  • After compression 6.1 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. Fea.ru needs all CSS files to be minified and compressed as it can save up to 28.7 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (17%)

Requests Now

199

After Optimization

166

The browser has sent 199 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 14 to 1 for JavaScripts and from 9 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

67

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

Browser errors were logged to the console

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

    RU

  • 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. Our service has detected that Russian is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. 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: