11.5 sec in total
2.4 sec
8.7 sec
415 ms
Welcome to s-vfu.ru homepage info - get ready to check S Vfu best content for Russia right away, or after learning these important things about s-vfu.ru
description
Visit s-vfu.ruWe analyzed S-vfu.ru page load time and found that the first response time was 2.4 sec and then it took 9.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
s-vfu.ru performance score
name
value
score
weighting
Value6.2 s
3/100
10%
Value7.5 s
4/100
25%
Value19.5 s
0/100
10%
Value1,190 ms
21/100
30%
Value0.334
34/100
15%
Value16.8 s
5/100
10%
2386 ms
512 ms
520 ms
782 ms
1328 ms
Our browser made a total of 94 requests to load all elements on the main page. We found that 77% of them (72 requests) were addressed to the original S-vfu.ru, 11% (10 requests) were made to Google.com and 3% (3 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain S-vfu.ru.
Page size can be reduced by 831.0 kB (34%)
2.4 MB
1.6 MB
In fact, the total size of S-vfu.ru main page is 2.4 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 1.4 MB which makes up the majority of the site volume.
Potential reduce by 105.4 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 20.8 kB, which is 16% 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 105.4 kB or 79% of the original size.
Potential reduce by 99.3 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. S Vfu images are well optimized though.
Potential reduce by 327.9 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 327.9 kB or 63% of the original size.
Potential reduce by 298.4 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. S-vfu.ru needs all CSS files to be minified and compressed as it can save up to 298.4 kB or 89% of the original size.
Number of requests can be reduced by 31 (34%)
90
59
The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of S Vfu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.
s-vfu.ru
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kernel_main.css
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page_a35fd2b8b70adff2dfa1b85499df6cb0.css
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template_113470045fd6cc4bbc838188e784de36.css
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s-vfu.ru accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
ARIA input fields do not have accessible names
ARIA IDs are not unique
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
s-vfu.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
s-vfu.ru SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
N/A
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise S-vfu.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 S-vfu.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.
s-vfu.ru
Open Graph description is not detected on the main page of S Vfu. 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: