Report Summary

  • 66

    Performance

    Renders faster than
    80% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 90

    SEO

    Google-friendlier than
    69% of websites

tstu.ru

ТГТУ Тамбовский государственный технический университет!

Page Load Speed

5.9 sec in total

First Response

1.1 sec

Resources Loaded

4 sec

Page Rendered

771 ms

tstu.ru screenshot

About Website

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

Важно написать о ТГТУ - 170 символов

Visit tstu.ru

Key Findings

We analyzed Tstu.ru page load time and found that the first response time was 1.1 sec and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

tstu.ru performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

26/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.175

69/100

15%

TTI (Time to Interactive)

Value7.4 s

49/100

10%

Network Requests Diagram

tstu.ru

1090 ms

jquery-1.7.2.min.js

900 ms

jquery.flexslider-min.js

599 ms

cycounter

414 ms

top100.cnt

426 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 97% of them (63 requests) were addressed to the original Tstu.ru, 2% (1 request) were made to Yandex.ru and 2% (1 request) were made to Counter.rambler.ru. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Tstu.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 468.8 kB (21%)

Content Size

2.3 MB

After Optimization

1.8 MB

In fact, the total size of Tstu.ru main page is 2.3 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. 40% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 75.3 kB

  • Original 93.0 kB
  • After minification 85.0 kB
  • After compression 17.8 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 75.3 kB or 81% of the original size.

Image Optimization

-15%

Potential reduce by 320.9 kB

  • Original 2.1 MB
  • After minification 1.8 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. Obviously, Tstu needs image optimization as it can save up to 320.9 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 72.6 kB

  • Original 111.5 kB
  • After minification 111.4 kB
  • After compression 38.9 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 72.6 kB or 65% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (13%)

Requests Now

64

After Optimization

56

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tstu. 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.

Accessibility Review

tstu.ru accessibility score

77

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.

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 IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

tstu.ru best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

tstu.ru SEO score

90

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

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tstu.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 Tstu.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

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