Access vstu.by. Главная - Учреждение образования "Витебский государственный технологический университет"

name

value

score

weighting

FCP (First Contentful Paint)

Value10.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.0 s

0/100

25%

SI (Speed Index)

Value15.2 s

1/100

10%

TBT (Total Blocking Time)

Value3,190 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.549

13/100

15%

TTI (Time to Interactive)

Value29.1 s

0/100

10%

vstu.by

1333 ms

template.css

388 ms

grid.min.css

384 ms

card.min.css

407 ms

style.min.css

564 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 Vstu.by, 4% (5 requests) were made to Youtube.com and 3% (4 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Vstu.by.

Content Size

460.4 kB

After Optimization

335.3 kB

In fact, the total size of Vstu.by main page is 460.4 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. Only a small number of websites need less resources to load. Javascripts take 248.7 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 122.6 kB

Original 145.5 kB
After minification 119.6 kB
After compression 23.0 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 26.0 kB, which is 18% 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 122.6 kB or 84% of the original size.

JavaScript Optimization

-1%

Potential reduce by 2.5 kB

Original 248.7 kB
After minification 248.7 kB
After compression 246.1 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

-0%

Potential reduce by 63 B

Original 66.2 kB
After minification 66.2 kB
After compression 66.2 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. Vstu.by has all CSS files already compressed.

Requests Now

125

After Optimization

The browser has sent 125 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vstu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

button, link, and menuitem elements do not have accessible names.

High

[role]s do not have all required [aria-*] attributes

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

Page has valid source maps

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

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 Vstu.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 Vstu.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

vstu.by

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

Главная - Учреждение образования "Витебский государственный технологический университет"

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

vstu.by

template.css

grid.min.css

card.min.css

style.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

vstu.by

template.css

grid.min.css

card.min.css

style.min.css

template.css

css

tipTip.css

icrounded_style.css

sigplus.css

slideplus.css

template.css

style.css

mootools-core.js

core.js

behaviour.js

silverlight.js

wmvplayer.js

ac_quicktime.js

clappr.min.js

VudZEfME.js

jquery.min.js

jquery-noconflict.js

jquery-migrate.min.js

caption.js

bootstrap.min.js

script.min.js

template.js

jquery.tipTip.js

initialization.js

slideplus.js

baccessibility.jquery.js

grayscale.js

0dd365a9b4.js

js

smartslider.min.css

n2-j.min.js

nextend-gsap.min.js

nextend-frontend.min.js

smartslider-frontend.min.js

smartslider-simple-type-frontend.min.js

powr_joomla.js

0dd365a9b4.css

font-awesome-css.min.css