Tools & Wizards About Us
donstu.ru screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

donstu.ru

Официальный сайт Донского государственного технического университета

Page Load Speed

21.4 sec in total

First Response

569 ms

Resources Loaded

19.2 sec

Page Rendered

1.6 sec

donstu.ru screenshot

About Website

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

Информация об университете (история, реквизиты). Кратко о факультетах и кафедрах. Сведения о научной деятельности. Правила приема. График олимпиад. Материалы дистанционного обучения.

Visit donstu.ru

Key Findings

We analyzed Donstu.ru page load time and found that the first response time was 569 ms and then it took 20.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

donstu.ru performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value44.4 s

0/100

10%

TBT (Total Blocking Time)

Value1,970 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.147

77/100

15%

TTI (Time to Interactive)

Value57.3 s

0/100

10%

Network Requests Diagram

donstu.ru

569 ms

www.donstu.ru

1262 ms

ba.js

281 ms

vendor.css

404 ms

app.css

549 ms

Our browser made a total of 131 requests to load all elements on the main page. We found that 81% of them (106 requests) were addressed to the original Donstu.ru, 11% (15 requests) were made to News.donstu.ru and 3% (4 requests) were made to Mc.yandex.com. The less responsive or slowest element that took the longest time to load (10.8 sec) belongs to the original domain Donstu.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (7%)

Content Size

15.4 MB

After Optimization

14.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Donstu.ru main page is 15.4 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 14.3 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 381.1 kB

  • Original 430.7 kB
  • After minification 306.4 kB
  • After compression 49.6 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 124.3 kB, which is 29% 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 381.1 kB or 88% of the original size.

Image Optimization

-4%

Potential reduce by 614.0 kB

  • Original 14.3 MB
  • After minification 13.7 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. Donstu images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 10.0 kB

  • Original 614.8 kB
  • After minification 614.8 kB
  • After compression 604.8 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 1.9 kB

  • Original 48.6 kB
  • After minification 48.6 kB
  • After compression 46.7 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. Donstu.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 5 (4%)

Requests Now

125

After Optimization

120

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 125 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Donstu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

donstu.ru

donstu.ru

569 ms

www.donstu.ru

www.donstu.ru

1262 ms

ba.js

ba.js

281 ms

vendor.css

vendor.css

404 ms

app.css

app.css

549 ms

app.js

app.js

2744 ms

yatranslate.js

yatranslate.js

273 ms

widget.js

widget.js

840 ms

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tag.js

812 ms

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Accessibility Review

donstu.ru accessibility score

74

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

donstu.ru best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Missing source maps for large first-party JavaScript

SEO Factors

donstu.ru SEO score

92

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

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Donstu.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), while the claimed language is Russian. Our system also found out that Donstu.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

donstu.ru

Open Graph data is detected on the main page of Donstu. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: