Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 42

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

old.kai.ru

Казанский национальный исследовательский технический университет им А.Н. Туполева - КАИ :: Главная

Page Load Speed

3.8 sec in total

First Response

549 ms

Resources Loaded

2.9 sec

Page Rendered

425 ms

old.kai.ru screenshot

About Website

Visit old.kai.ru now to see the best up-to-date Old Kai content for Russia and also check out these interesting facts you probably never knew about old.kai.ru

Сайт Казанского национального исследовательского технического университета им. А. Н. Туполева - КАИ. Информация о вузе, подробная структура КНИТУ-КАИ, страницы кафедр и подразделений, справочная инфор...

Visit old.kai.ru

Key Findings

We analyzed Old.kai.ru page load time and found that the first response time was 549 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

old.kai.ru performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

42/100

25%

SI (Speed Index)

Value5.2 s

59/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value6.5 s

59/100

10%

Network Requests Diagram

old.kai.ru

549 ms

old.kai.ru

740 ms

main.css

286 ms

jquery.min.js

751 ms

spoiler.js

426 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 90% of them (45 requests) were addressed to the original Old.kai.ru, 4% (2 requests) were made to Site.yandex.net and 2% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (833 ms) belongs to the original domain Old.kai.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 132.7 kB (37%)

Content Size

357.7 kB

After Optimization

225.0 kB

In fact, the total size of Old.kai.ru main page is 357.7 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. 30% of websites need less resources to load. Javascripts take 206.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 18.7 kB

  • Original 24.3 kB
  • After minification 21.2 kB
  • After compression 5.6 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 3.1 kB, which is 13% 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 18.7 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 1.0 kB

  • Original 110.0 kB
  • After minification 109.0 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. Old Kai images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 99.2 kB

  • Original 206.9 kB
  • After minification 206.1 kB
  • After compression 107.7 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 99.2 kB or 48% of the original size.

CSS Optimization

-83%

Potential reduce by 13.8 kB

  • Original 16.6 kB
  • After minification 11.2 kB
  • After compression 2.7 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. Old.kai.ru needs all CSS files to be minified and compressed as it can save up to 13.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (32%)

Requests Now

44

After Optimization

30

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Old Kai. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

old.kai.ru accessibility score

62

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.

Internationalization and localization

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

Impact

Issue

High

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

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

Best Practices

old.kai.ru best practices score

42

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

old.kai.ru SEO score

69

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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Old.kai.ru 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 Old.kai.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 Old Kai. 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: