Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

prof-klub.ru

Заработок в сети интернет,бесплатный курс по интернет бизнесу

Page Load Speed

10.7 sec in total

First Response

214 ms

Resources Loaded

9 sec

Page Rendered

1.5 sec

prof-klub.ru screenshot

About Website

Visit prof-klub.ru now to see the best up-to-date Prof Klub content for Russia and also check out these interesting facts you probably never knew about prof-klub.ru

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Key Findings

We analyzed Prof-klub.ru page load time and found that the first response time was 214 ms and then it took 10.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

prof-klub.ru performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

77/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

3/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value8.4 s

39/100

10%

Network Requests Diagram

trening_center.php

214 ms

css.css

184 ms

layout.css

187 ms

jquery-1.7.2.js

875 ms

auth_script.js

315 ms

Our browser made a total of 106 requests to load all elements on the main page. We found that 35% of them (37 requests) were addressed to the original Prof-klub.ru, 18% (19 requests) were made to Vk.com and 5% (5 requests) were made to Imgs.smartresponder.ru. The less responsive or slowest element that took the longest time to load (7.2 sec) belongs to the original domain Prof-klub.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (61%)

Content Size

2.8 MB

After Optimization

1.1 MB

In fact, the total size of Prof-klub.ru main page is 2.8 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. 60% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 40.7 kB

  • Original 53.4 kB
  • After minification 48.0 kB
  • After compression 12.7 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 40.7 kB or 76% of the original size.

Image Optimization

-53%

Potential reduce by 947.0 kB

  • Original 1.8 MB
  • After minification 840.6 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, Prof Klub needs image optimization as it can save up to 947.0 kB or 53% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-75%

Potential reduce by 652.0 kB

  • Original 870.9 kB
  • After minification 636.5 kB
  • After compression 218.9 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 652.0 kB or 75% of the original size.

CSS Optimization

-82%

Potential reduce by 75.9 kB

  • Original 93.2 kB
  • After minification 77.9 kB
  • After compression 17.2 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. Prof-klub.ru needs all CSS files to be minified and compressed as it can save up to 75.9 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (45%)

Requests Now

98

After Optimization

54

The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prof Klub. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

prof-klub.ru accessibility score

93

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.

Best Practices

prof-klub.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

SEO Factors

prof-klub.ru SEO score

77

Search Engine Optimization Advices

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 Prof-klub.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 Prof-klub.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 Prof Klub. 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: