Report Summary

  • 60

    Performance

    Renders faster than
    76% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 62

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

forum.eltech.ru

СПбГЭТУ «ЛЭТИ»

Page Load Speed

8.9 sec in total

First Response

659 ms

Resources Loaded

7.9 sec

Page Rendered

303 ms

forum.eltech.ru screenshot

About Website

Welcome to forum.eltech.ru homepage info - get ready to check Forum Eltech best content for Russia right away, or after learning these important things about forum.eltech.ru

Санкт-Петербургский государственный электротехнический университет «ЛЭТИ». Официальный сайт СПбГЭТУ «ЛЭТИ»

Visit forum.eltech.ru

Key Findings

We analyzed Forum.eltech.ru page load time and found that the first response time was 659 ms and then it took 8.2 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

forum.eltech.ru performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value7.4 s

29/100

10%

TBT (Total Blocking Time)

Value310 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.913

4/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

forum.eltech.ru

659 ms

www.eltech.ru

2365 ms

jquery.js

762 ms

jquery.lightbox-0.5.js

393 ms

jquery.tablesorter.js

652 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Forum.eltech.ru, 85% (64 requests) were made to Eltech.ru and 9% (7 requests) were made to Api-maps.yandex.ru. The less responsive or slowest element that took the longest time to load (3.2 sec) relates to the external source Eltech.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 480.5 kB (19%)

Content Size

2.6 MB

After Optimization

2.1 MB

In fact, the total size of Forum.eltech.ru main page is 2.6 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. 25% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 125.3 kB

  • Original 191.8 kB
  • After minification 179.9 kB
  • After compression 66.5 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 125.3 kB or 65% of the original size.

Image Optimization

-9%

Potential reduce by 207.2 kB

  • Original 2.2 MB
  • After minification 2.0 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. Forum Eltech images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 124.3 kB

  • Original 168.7 kB
  • After minification 134.4 kB
  • After compression 44.4 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 124.3 kB or 74% of the original size.

CSS Optimization

-77%

Potential reduce by 23.7 kB

  • Original 30.8 kB
  • After minification 25.4 kB
  • After compression 7.1 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. Forum.eltech.ru needs all CSS files to be minified and compressed as it can save up to 23.7 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (51%)

Requests Now

67

After Optimization

33

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Forum Eltech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

forum.eltech.ru accessibility score

89

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

forum.eltech.ru best practices score

62

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

Displays images with incorrect aspect ratio

General

Impact

Issue

High

Registers an unload listener

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

forum.eltech.ru SEO score

92

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Forum.eltech.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 Forum.eltech.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 Forum Eltech. 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: