4.5 sec in total
1.4 sec
2.9 sec
186 ms
Visit vkcourse.ru now to see the best up-to-date Vkcourse content for Russia and also check out these interesting facts you probably never knew about vkcourse.ru
This domain may be for sale!
Visit vkcourse.ruWe analyzed Vkcourse.ru page load time and found that the first response time was 1.4 sec and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
vkcourse.ru performance score
name
value
score
weighting
Value2.7 s
59/100
10%
Value3.0 s
78/100
25%
Value2.7 s
96/100
10%
Value50 ms
100/100
30%
Value0.272
45/100
15%
Value2.9 s
96/100
10%
1380 ms
408 ms
563 ms
403 ms
66 ms
Our browser made a total of 19 requests to load all elements on the main page. We found that 68% of them (13 requests) were addressed to the original Vkcourse.ru, 21% (4 requests) were made to Mc.yandex.ru and 11% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Vkcourse.ru.
Page size can be reduced by 145.0 kB (38%)
377.0 kB
232.0 kB
In fact, the total size of Vkcourse.ru main page is 377.0 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. Javascripts take 185.8 kB which makes up the majority of the site volume.
Potential reduce by 8.9 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 8.9 kB or 66% of the original size.
Potential reduce by 6.3 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. Vkcourse images are well optimized though.
Potential reduce by 102.8 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 102.8 kB or 55% of the original size.
Potential reduce by 27.0 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. Vkcourse.ru needs all CSS files to be minified and compressed as it can save up to 27.0 kB or 74% of the original size.
Number of requests can be reduced by 5 (29%)
17
12
The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vkcourse. 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 as a result speed up the page load time.
vkcourse.ru
1380 ms
normalize.css
408 ms
webflow.css
563 ms
vkcourse.webflow.css
403 ms
webfont.js
66 ms
modernizr.js
283 ms
jquery.min.js
20 ms
webflow.js
643 ms
videos2.jpg
678 ms
audience-blue.png
357 ms
expert-blue.png
292 ms
rouble-blue.png
298 ms
q.png
421 ms
round-ava-150x150.png
592 ms
google-chrome.jpg
959 ms
watch.js
169 ms
watch.js
431 ms
advert.gif
85 ms
1
86 ms
vkcourse.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.
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
<frame> or <iframe> elements do not have a title
vkcourse.ru best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
vkcourse.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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vkcourse.ru can be misinterpreted by Google and other search engines. Our service has detected that English 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 Vkcourse.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.
vkcourse.ru
Open Graph description is not detected on the main page of Vkcourse. 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: