Report Summary

  • 0

    Performance

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

codnn.ru

ЦОД

Page Load Speed

5.1 sec in total

First Response

759 ms

Resources Loaded

4 sec

Page Rendered

381 ms

codnn.ru screenshot

About Website

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

Visit codnn.ru

Key Findings

We analyzed Codnn.ru page load time and found that the first response time was 759 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

codnn.ru performance score

0

Network Requests Diagram

codnn.ru

759 ms

left.htm

174 ms

top.htm

350 ms

main.htm

344 ms

style.css

148 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 72% of them (33 requests) were addressed to the original Codnn.ru, 7% (3 requests) were made to Youtube.com and 4% (2 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Cypr.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 429.8 kB (46%)

Content Size

939.4 kB

After Optimization

509.6 kB

In fact, the total size of Codnn.ru main page is 939.4 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. 45% of websites need less resources to load. Images take 486.0 kB which makes up the majority of the site volume.

HTML Optimization

-54%

Potential reduce by 461 B

  • Original 852 B
  • After minification 835 B
  • After compression 391 B

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 461 B or 54% of the original size.

Image Optimization

-19%

Potential reduce by 90.1 kB

  • Original 486.0 kB
  • After minification 395.9 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, Codnn needs image optimization as it can save up to 90.1 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 134.6 kB

  • Original 205.6 kB
  • After minification 205.5 kB
  • After compression 71.0 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 134.6 kB or 65% of the original size.

CSS Optimization

-83%

Potential reduce by 204.6 kB

  • Original 246.9 kB
  • After minification 246.3 kB
  • After compression 42.3 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. Codnn.ru needs all CSS files to be minified and compressed as it can save up to 204.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (22%)

Requests Now

41

After Optimization

32

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Codnn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

codnn.ru accessibility score

67

Accessibility Issues

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

Best Practices

codnn.ru best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

codnn.ru SEO score

64

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Codnn.ru can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Codnn.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 Codnn. 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: