Tools & Wizards About Us
knc.ru screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

knc.ru

ФИЦ КазНЦ РАН

Page Load Speed

4 sec in total

First Response

1 sec

Resources Loaded

2.9 sec

Page Rendered

119 ms

knc.ru screenshot

About Website

Welcome to knc.ru homepage info - get ready to check Knc best content for Russia right away, or after learning these important things about knc.ru

Казанский Научный Центр РАН

Visit knc.ru

Key Findings

We analyzed Knc.ru page load time and found that the first response time was 1 sec and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

knc.ru performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value22.9 s

0/100

10%

TBT (Total Blocking Time)

Value1,020 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.156

74/100

15%

TTI (Time to Interactive)

Value25.8 s

0/100

10%

Network Requests Diagram

knc.ru

1011 ms

s.u1317711813.css

762 ms

mootools.js

928 ms

slimbox.js

640 ms

menu.ru.u1301768154.js

797 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that all of those requests were addressed to Knc.ru and no external sources were called. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Knc.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 138.1 kB (40%)

Content Size

348.2 kB

After Optimization

210.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Knc.ru main page is 348.2 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. 20% of websites need less resources to load. Images take 223.3 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 26.4 kB

  • Original 33.4 kB
  • After minification 32.3 kB
  • After compression 6.9 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 26.4 kB or 79% of the original size.

Image Optimization

-25%

Potential reduce by 56.9 kB

  • Original 223.3 kB
  • After minification 166.4 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. Obviously, Knc needs image optimization as it can save up to 56.9 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 54.7 kB

  • Original 75.2 kB
  • After minification 67.6 kB
  • After compression 20.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 54.7 kB or 73% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 16.3 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.

Requests Breakdown

We found no issues to fix!

Requests Now

21

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Knc. According to our analytics all requests are already optimized.

Network Requests Diagram

knc.ru

knc.ru

1011 ms

s.u1317711813.css

s.u1317711813.css

762 ms

mootools.js

mootools.js

928 ms

slimbox.js

slimbox.js

640 ms

menu.ru.u1301768154.js

menu.ru.u1301768154.js

797 ms

top.jpg

top.jpg

299 ms

logo.jpg

logo.jpg

407 ms

top-center.jpg

top-center.jpg

544 ms

shad-one.jpg

shad-one.jpg

585 ms

search.jpg

search.jpg

452 ms

xmag.png

xmag.png

357 ms

search-mid.jpg

search-mid.jpg

645 ms

home.gif

home.gif

493 ms

mail.gif

mail.gif

550 ms

map.gif

map.gif

589 ms

shadow.jpg

shadow.jpg

900 ms

bg-menu.jpg

bg-menu.jpg

847 ms

backg-amenu.jpg

backg-amenu.jpg

850 ms

str.png

str.png

859 ms

capture.jpg

capture.jpg

1130 ms

shadow-bot.jpg

shadow-bot.jpg

995 ms

bottom.jpg

bottom.jpg

1270 ms

Accessibility Review

knc.ru accessibility score

89

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

knc.ru best practices score

58

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

knc.ru SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Knc.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 Knc.ru 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

knc.ru

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