Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 53% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 74

    SEO

    Google-friendlier than
    32% of websites

sk.ru

Инновационный центр «Сколково»

Page Load Speed

6 sec in total

First Response

770 ms

Resources Loaded

3.7 sec

Page Rendered

1.5 sec

sk.ru screenshot

About Website

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

Некоммерческая организация, созданная в 2010 году и исполняющая функции управляющей компании Инновационного центра «Сколково». Цель Фонда - поддержка технологического предпринимательства в России и к...

Visit sk.ru

Key Findings

We analyzed Sk.ru page load time and found that the first response time was 770 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

sk.ru performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

93/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

77/100

25%

SI (Speed Index)

Value7.0 s

33/100

10%

TBT (Total Blocking Time)

Value3,690 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.137

80/100

15%

TTI (Time to Interactive)

Value17.0 s

4/100

10%

Network Requests Diagram

sk.ru

770 ms

main.css

256 ms

jquery.fancybox.min.css

252 ms

main.css

650 ms

icon.svg

251 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 86% of them (55 requests) were addressed to the original Sk.ru, 5% (3 requests) were made to Top-fwz1.mail.ru and 3% (2 requests) were made to Vk.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Sk.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 235.6 kB (3%)

Content Size

7.7 MB

After Optimization

7.5 MB

In fact, the total size of Sk.ru main page is 7.7 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. 45% of websites need less resources to load. Images take 7.0 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 125.1 kB

  • Original 145.9 kB
  • After minification 111.6 kB
  • After compression 20.8 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 34.3 kB, which is 24% 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 125.1 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 16.8 kB

  • Original 7.0 MB
  • After minification 7.0 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. Sk images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 76.5 kB

  • Original 466.5 kB
  • After minification 466.5 kB
  • After compression 390.0 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 76.5 kB or 16% of the original size.

CSS Optimization

-23%

Potential reduce by 17.1 kB

  • Original 73.6 kB
  • After minification 73.6 kB
  • After compression 56.5 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. Sk.ru needs all CSS files to be minified and compressed as it can save up to 17.1 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (36%)

Requests Now

58

After Optimization

37

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sk. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

sk.ru accessibility score

82

Accessibility Issues

ARIA

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.

Impact

Issue

High

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

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.

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

sk.ru best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

sk.ru SEO score

74

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sk.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it does not match the claimed English language. Our system also found out that Sk.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

Open Graph data is detected on the main page of Sk. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: