Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 75

    Best Practices

    More advanced features
    available than in
    47% of websites

  • 58

    SEO

    Google-friendlier than
    30% of websites

rsdn.ru

RSDN

Page Load Speed

2.9 sec in total

First Response

371 ms

Resources Loaded

2.4 sec

Page Rendered

148 ms

rsdn.ru screenshot

About Website

Click here to check amazing RSDN content for United States. Otherwise, check out these important facts you probably never knew about rsdn.ru

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Key Findings

We analyzed Rsdn.ru page load time and found that the first response time was 371 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster. This domain responded with an error, which can significantly jeopardize Rsdn.ru rating and web reputation

Performance Metrics

rsdn.ru performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value210 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

rsdn.ru

371 ms

default

435 ms

default

278 ms

top

144 ms

883 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 68% of them (39 requests) were addressed to the original Rsdn.ru, 23% (13 requests) were made to Gravatar.com and 7% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (883 ms) belongs to the original domain Rsdn.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 189.0 kB (46%)

Content Size

411.0 kB

After Optimization

222.0 kB

In fact, the total size of Rsdn.ru main page is 411.0 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 219.3 kB which makes up the majority of the site volume.

HTML Optimization

-61%

Potential reduce by 1.0 kB

  • Original 1.7 kB
  • After minification 1.6 kB
  • After compression 651 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 1.0 kB or 61% of the original size.

Image Optimization

-20%

Potential reduce by 43.2 kB

  • Original 219.3 kB
  • After minification 176.1 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, RSDN needs image optimization as it can save up to 43.2 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 42.8 kB

  • Original 68.0 kB
  • After minification 67.9 kB
  • After compression 25.2 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 42.8 kB or 63% of the original size.

CSS Optimization

-83%

Potential reduce by 101.9 kB

  • Original 122.1 kB
  • After minification 122.0 kB
  • After compression 20.2 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. Rsdn.ru needs all CSS files to be minified and compressed as it can save up to 101.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (64%)

Requests Now

53

After Optimization

19

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RSDN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Best Practices

rsdn.ru best practices score

75

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

SEO Factors

rsdn.ru SEO score

58

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

Document doesn't have a <title> element

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rsdn.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 Rsdn.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 description is not detected on the main page of RSDN. 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: