Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

bntu.by

Главная – Белорусский национальный технический университет (БНТУ/BNTU)

Page Load Speed

6.7 sec in total

First Response

383 ms

Resources Loaded

5 sec

Page Rendered

1.3 sec

bntu.by screenshot

About Website

Visit bntu.by now to see the best up-to-date BNTU content for Belarus and also check out these interesting facts you probably never knew about bntu.by

БНТУ – лидер технического образования в Беларуси. C 1920 года даем современное образование, готовим высококлассных специалистов!

Visit bntu.by

Key Findings

We analyzed Bntu.by page load time and found that the first response time was 383 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

bntu.by performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value15.8 s

0/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value2,860 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.378

28/100

15%

TTI (Time to Interactive)

Value22.6 s

1/100

10%

Network Requests Diagram

bntu.by

383 ms

bntu.by

1089 ms

style.css

302 ms

downblock.css

396 ms

style_schedule.css

410 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 54% of them (55 requests) were addressed to the original Bntu.by, 20% (20 requests) were made to Static.bntu.by and 4% (4 requests) were made to Mc.yandex.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Static.bntu.by.

Page Optimization Overview & Recommendations

Page size can be reduced by 247.0 kB (10%)

Content Size

2.4 MB

After Optimization

2.2 MB

In fact, the total size of Bntu.by main page is 2.4 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. 70% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 86.9 kB

  • Original 104.2 kB
  • After minification 92.2 kB
  • After compression 17.3 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 12.0 kB, which is 12% 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 86.9 kB or 83% of the original size.

Image Optimization

-7%

Potential reduce by 155.7 kB

  • Original 2.1 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. BNTU images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 4.4 kB

  • Original 170.0 kB
  • After minification 170.0 kB
  • After compression 165.6 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 38 (39%)

Requests Now

97

After Optimization

59

The browser has sent 97 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BNTU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bntu.by 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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

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

bntu.by 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

SEO Factors

bntu.by SEO score

97

Search Engine Optimization Advices

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

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bntu.by can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Bntu.by 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 BNTU. 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: