Access bsuir.by. Белорусский государственный университет информатики и радиоэлектроники

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value12.2 s

0/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value1,540 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

bsuir.by

526 ms

www.bsuir.by

555 ms

www.bsuir.by

2853 ms

default.css

139 ms

styles.css

277 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 88% of them (60 requests) were addressed to the original Bsuir.by, 4% (3 requests) were made to Googletagmanager.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Bsuir.by.

Content Size

946.8 kB

After Optimization

415.6 kB

In fact, the total size of Bsuir.by main page is 946.8 kB. 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. Javascripts take 526.0 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 133.4 kB

Original 156.7 kB
After minification 140.8 kB
After compression 23.3 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. 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 133.4 kB or 85% of the original size.

Image Optimization

-5%

Potential reduce by 9.7 kB

Original 205.7 kB
After minification 196.0 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. Bsuir images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 334.5 kB

Original 526.0 kB
After minification 464.7 kB
After compression 191.4 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 334.5 kB or 64% of the original size.

CSS Optimization

-92%

Potential reduce by 53.6 kB

Original 58.5 kB
After minification 19.5 kB
After compression 4.8 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. Bsuir.by needs all CSS files to be minified and compressed as it can save up to 53.6 kB or 92% of the original size.

Requests Now

After Optimization

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bsuir. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

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 Bsuir.by 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 Bsuir.by 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

bsuir.by

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Белорусский государственный университет информатики и радиоэлектроники

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

bsuir.by

www.bsuir.by

www.bsuir.by

default.css

styles.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

bsuir.by

www.bsuir.by

www.bsuir.by

default.css

styles.css

timetable.css

jquery-1.9.1.min.js

jssos-slider.css

jssor.slider.mini.js

amazingcarousel-min.js

initcarousel-7.css

initcarousel-7-min.js

initcarousel-1.css

initcarousel-1.js

doubletaptogo.js

12_100229_1_148664.svg

12_100229_1_183506.webp

12_100229_1_183079.webp

12_100229_1_181896.webp

12_100229_1_159487.webp

12_100229_1_171419.webp

12_100229_1_177646.webp

12_100229_1_160382.webp

feed-icon-14x14.png

12_100229_1_185205.jpg

12_100229_1_185138.jpg

12_100229_1_185056.jpeg

12_100229_1_185122.jpg

12_100229_1_185116.jpg

12_100229_1_185046.jpg

12_100229_1_185073.jpg

12_100229_1_185058.jpg

12_100229_1_84949.png

12_100229_1_184472.jpg

12_100229_1_161572.webp

12_100229_1_159842.webp

12_100229_1_181191.webp

12_100229_1_159852.webp

12_100229_1_159812.webp

12_100229_1_164529.jpg

12_100229_1_159855.webp

12_100229_1_184471.jpg

12_100229_1_159856.webp