Tools & Wizards About Us
tk.ulstu.ru screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    75% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

tk.ulstu.ru

Кафедра "Телекоммуникации"

Page Load Speed

4.3 sec in total

First Response

1.4 sec

Resources Loaded

2.8 sec

Page Rendered

133 ms

tk.ulstu.ru screenshot

About Website

Visit tk.ulstu.ru now to see the best up-to-date Tk Ulstu content for Russia and also check out these interesting facts you probably never knew about tk.ulstu.ru

Официальный сайт кафедры Телекоммуникации УлГТУ

Visit tk.ulstu.ru

Key Findings

We analyzed Tk.ulstu.ru page load time and found that the first response time was 1.4 sec and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

tk.ulstu.ru performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value1,080 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.055

98/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

tk.ulstu.ru

1433 ms

style.css

176 ms

top100.jcn

388 ms

logo.gif

161 ms

top100.scn

131 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 89% of them (17 requests) were addressed to the original Tk.ulstu.ru, 11% (2 requests) were made to Counter.rambler.ru. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Tk.ulstu.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 19.9 kB (30%)

Content Size

66.5 kB

After Optimization

46.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tk.ulstu.ru main page is 66.5 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 38.7 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 11.1 kB

  • Original 14.6 kB
  • After minification 13.0 kB
  • After compression 3.5 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. This page needs HTML code to be minified as it can gain 1.6 kB, which is 11% 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 11.1 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 38.7 kB
  • After minification 38.7 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. Tk Ulstu images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 3.9 kB

  • Original 6.9 kB
  • After minification 6.9 kB
  • After compression 3.0 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 3.9 kB or 57% of the original size.

CSS Optimization

-78%

Potential reduce by 4.9 kB

  • Original 6.4 kB
  • After minification 5.3 kB
  • After compression 1.4 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. Tk.ulstu.ru needs all CSS files to be minified and compressed as it can save up to 4.9 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (53%)

Requests Now

17

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tk Ulstu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

tk.ulstu.ru

tk.ulstu.ru

1433 ms

style.css

style.css

176 ms

top100.jcn

top100.jcn

388 ms

logo.gif

logo.gif

161 ms

top100.scn

top100.scn

131 ms

btn_bg.gif

btn_bg.gif

307 ms

ms.gif

ms.gif

328 ms

search-bg.gif

search-bg.gif

323 ms

sleft.gif

sleft.gif

366 ms

btn-ok2.gif

btn-ok2.gif

364 ms

l1.gif

l1.gif

364 ms

ll1.gif

ll1.gif

464 ms

lbg.gif

lbg.gif

480 ms

lr2.gif

lr2.gif

484 ms

l3.gif

l3.gif

520 ms

l4.gif

l4.gif

522 ms

post-title.png

post-title.png

523 ms

p1.jpg

p1.jpg

936 ms

bbg.gif

bbg.gif

637 ms

Accessibility Review

tk.ulstu.ru accessibility score

54

Accessibility Issues

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

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

tk.ulstu.ru best practices score

83

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

Page has valid source maps

SEO Factors

tk.ulstu.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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tk.ulstu.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 Tk.ulstu.ru main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

tk.ulstu.ru

Open Graph description is not detected on the main page of Tk Ulstu. 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: