8.9 sec in total
1.1 sec
7.3 sec
449 ms
Click here to check amazing Sfedu content for Russia. Otherwise, check out these important facts you probably never knew about sfedu.ru
Visit sfedu.ruWe analyzed Sfedu.ru page load time and found that the first response time was 1.1 sec and then it took 7.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
sfedu.ru performance score
name
value
score
weighting
Value6.9 s
1/100
10%
Value16.5 s
0/100
25%
Value37.9 s
0/100
10%
Value12,520 ms
0/100
30%
Value0.003
100/100
15%
Value144.9 s
0/100
10%
1069 ms
689 ms
690 ms
1656 ms
693 ms
Our browser made a total of 52 requests to load all elements on the main page. We found that 87% of them (45 requests) were addressed to the original Sfedu.ru, 6% (3 requests) were made to Top-fwz1.mail.ru and 4% (2 requests) were made to Site.yandex.net. The less responsive or slowest element that took the longest time to load (4.9 sec) belongs to the original domain Sfedu.ru.
Page size can be reduced by 850.3 kB (11%)
7.7 MB
6.9 MB
In fact, the total size of Sfedu.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 7.4 MB which makes up the majority of the site volume.
Potential reduce by 40.5 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 11.8 kB, which is 23% 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 40.5 kB or 80% of the original size.
Potential reduce by 636.8 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. Sfedu images are well optimized though.
Potential reduce by 96.6 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 96.6 kB or 46% of the original size.
Potential reduce by 76.4 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. Sfedu.ru needs all CSS files to be minified and compressed as it can save up to 76.4 kB or 86% of the original size.
Number of requests can be reduced by 9 (18%)
50
41
The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sfedu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
sfedu.ru
1069 ms
google_font1.css
689 ms
google_font2.css
690 ms
main1501.css
1656 ms
main.diff.css
693 ms
jquery.min.js
1808 ms
main.js
1011 ms
news_m.js
865 ms
icons_v3.png
303 ms
logo.png
762 ms
logo_small.png
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all.js
53 ms
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349 ms
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43 ms
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jquery.min.js
41 ms
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counter
162 ms
tracker
158 ms
sfedu.ru accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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.
sfedu.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
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
sfedu.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
RU
WINDOWS-1251
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sfedu.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Sfedu.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.
sfedu.ru
Open Graph description is not detected on the main page of Sfedu. 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: