8.2 sec in total
1 sec
7.1 sec
99 ms
Visit edu.pavel-kolesov.ru now to see the best up-to-date Edu Pavel Kolesov content for Russia and also check out these interesting facts you probably never knew about edu.pavel-kolesov.ru
Visit edu.pavel-kolesov.ruWe analyzed Edu.pavel-kolesov.ru page load time and found that the first response time was 1 sec and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
edu.pavel-kolesov.ru performance score
name
value
score
weighting
Value5.2 s
8/100
10%
Value5.2 s
23/100
25%
Value7.7 s
24/100
10%
Value1,810 ms
9/100
30%
Value0.357
30/100
15%
Value17.3 s
4/100
10%
1008 ms
388 ms
395 ms
392 ms
264 ms
Our browser made a total of 92 requests to load all elements on the main page. We found that 97% of them (89 requests) were addressed to the original Edu.pavel-kolesov.ru, 1% (1 request) were made to Files.getcourse.ru and 1% (1 request) were made to Z-payment.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Edu.pavel-kolesov.ru.
Page size can be reduced by 556.0 kB (65%)
860.2 kB
304.2 kB
In fact, the total size of Edu.pavel-kolesov.ru main page is 860.2 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. 40% of websites need less resources to load. HTML takes 525.1 kB which makes up the majority of the site volume.
Potential reduce by 290.3 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 290.3 kB or 55% of the original size.
Potential reduce by 1.4 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, Edu Pavel Kolesov needs image optimization as it can save up to 1.4 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 264.2 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. Edu.pavel-kolesov.ru needs all CSS files to be minified and compressed as it can save up to 264.2 kB or 80% of the original size.
Number of requests can be reduced by 80 (93%)
86
6
The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Edu Pavel Kolesov. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 50 to 1 for JavaScripts and from 32 to 1 for CSS and as a result speed up the page load time.
edu.pavel-kolesov.ru
1008 ms
xdget-view-284f277bfb4205887126c2fbba2f6016.css
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edu.pavel-kolesov.ru accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
edu.pavel-kolesov.ru best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
edu.pavel-kolesov.ru SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Document uses legible font sizes
Tap targets are not sized appropriately
RU
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Edu.pavel-kolesov.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 Edu.pavel-kolesov.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.
edu.pavel-kolesov.ru
Open Graph description is not detected on the main page of Edu Pavel Kolesov. 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: