Access tltsu.ru. Тольяттинский государственный университет

name

value

score

weighting

FCP (First Contentful Paint)

Value9.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value26.1 s

0/100

25%

SI (Speed Index)

Value23.6 s

0/100

10%

TBT (Total Blocking Time)

Value6,770 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.192

64/100

15%

TTI (Time to Interactive)

Value44.8 s

0/100

10%

tltsu.ru

1953 ms

page_680f31dcdfea8e5a75e87ca7a390e2af_5857d0f4bd4592355a54079d137c53b9.css

452 ms

kernel_main.css

489 ms

template_600bf4fc32d0617f713e9d387219b079_acaced6674f583c7376e343966cbd156.css

495 ms

kernel_main.js

3546 ms

Our browser made a total of 206 requests to load all elements on the main page. We found that 2% of them (5 requests) were addressed to the original Tltsu.ru, 20% (41 requests) were made to Tltsu.ru.images.1c-bitrix-cdn.ru and 16% (33 requests) were made to Scontent.cdninstagram.com. The less responsive or slowest element that took the longest time to load (12.5 sec) belongs to the original domain Tltsu.ru.

Content Size

4.9 MB

After Optimization

3.8 MB

In fact, the total size of Tltsu.ru main page is 4.9 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 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 50.3 kB

Original 65.8 kB
After minification 60.2 kB
After compression 15.5 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. 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 50.3 kB or 76% of the original size.

Image Optimization

-4%

Potential reduce by 138.6 kB

Original 3.6 MB
After minification 3.5 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. Tltsu images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 697.5 kB

Original 968.9 kB
After minification 803.3 kB
After compression 271.4 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 697.5 kB or 72% of the original size.

CSS Optimization

-84%

Potential reduce by 196.5 kB

Original 234.7 kB
After minification 205.1 kB
After compression 38.2 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. Tltsu.ru needs all CSS files to be minified and compressed as it can save up to 196.5 kB or 84% of the original size.

Requests Now

199

After Optimization

125

The browser has sent 199 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tltsu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 14 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

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

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 the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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 interpretation of your content by users in different locales.

High

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

Search Engine Optimization Advices

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

High

Links are not crawlable

High

robots.txt is not valid

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

N/A
Encoding

UTF8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tltsu.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 Tltsu.ru main page’s claimed encoding is utf8. 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 Tltsu. 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: