7.5 sec in total
657 ms
5.5 sec
1.3 sec
Welcome to vktema.com homepage info - get ready to check Vktema best content for Russia right away, or after learning these important things about vktema.com
KY.COM致力于提供高质量的在线学习资源,涵盖多个领域的课程和讲座。用户可以通过KY.COM访问到多样化的学习资料,提升自己的专业能力和知识水平,进而实现个人的长期目标。
Visit vktema.comWe analyzed Vktema.com page load time and found that the first response time was 657 ms and then it took 6.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
vktema.com performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value8.2 s
2/100
25%
Value5.4 s
56/100
10%
Value370 ms
71/100
30%
Value0
100/100
15%
Value9.6 s
29/100
10%
657 ms
276 ms
506 ms
781 ms
280 ms
Our browser made a total of 57 requests to load all elements on the main page. We found that 91% of them (52 requests) were addressed to the original Vktema.com, 4% (2 requests) were made to Vkontakte.ru and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.7 sec) belongs to the original domain Vktema.com.
Page size can be reduced by 237.2 kB (24%)
989.4 kB
752.2 kB
In fact, the total size of Vktema.com main page is 989.4 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. 35% of websites need less resources to load. Images take 695.5 kB which makes up the majority of the site volume.
Potential reduce by 52.9 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 52.9 kB or 82% of the original size.
Potential reduce by 26.0 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. Vktema images are well optimized though.
Potential reduce by 139.9 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 139.9 kB or 68% of the original size.
Potential reduce by 18.3 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. Vktema.com needs all CSS files to be minified and compressed as it can save up to 18.3 kB or 80% of the original size.
Number of requests can be reduced by 6 (11%)
55
49
The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vktema. 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 as a result speed up the page load time.
vktema.com
657 ms
reset.css
276 ms
main.css
506 ms
jquery-1.4.1.min.js
781 ms
useful.js
280 ms
jquery.fancybox-1.3.4.css
387 ms
jquery.fancybox-1.3.4.js
651 ms
jquery.easing-1.3.pack.js
370 ms
openapi.js
465 ms
share.js
621 ms
promo-bg.jpg
1254 ms
logo.gif
166 ms
free.png
244 ms
navigation.gif
170 ms
protected.png
302 ms
browsers.png
312 ms
13615395628846.jpeg
310 ms
13615393423866.jpeg
458 ms
13615393240803.jpeg
511 ms
13615393131414.jpeg
668 ms
13615392802703.jpeg
466 ms
1361539276644.jpeg
469 ms
13615392582256.jpeg
854 ms
13615392545407.jpeg
1342 ms
13615392508341.jpeg
670 ms
1361539095972.jpeg
868 ms
13615386259372.jpeg
861 ms
13615386221549.jpeg
857 ms
13615386149133.jpeg
1005 ms
13615385891957.jpeg
1007 ms
1361538585537.jpeg
1014 ms
1361538581882.jpeg
1026 ms
13615385635443.jpeg
1248 ms
13615385526017.jpeg
1144 ms
13615385379624.jpeg
1147 ms
13615385233427.jpeg
1273 ms
13615385160548.jpeg
1269 ms
13615384795603.jpeg
1267 ms
13615384247976.jpeg
1574 ms
13615383664332.jpeg
1359 ms
13615383001034.jpeg
1367 ms
13615382673628.jpeg
1389 ms
13615382563861.jpeg
1377 ms
13615381942112.jpeg
1733 ms
13615381431639.jpeg
1473 ms
ga.js
146 ms
watch.js
20 ms
13615381285857.jpeg
1401 ms
13615380847483.jpeg
1336 ms
13615380774612.jpeg
1335 ms
__utm.gif
65 ms
13615380701526.jpeg
1361 ms
13615379378359.jpeg
1308 ms
13615379961225.jpeg
1311 ms
13615380220915.jpeg
1313 ms
1361538003452.jpeg
1454 ms
ff.png
3696 ms
vktema.com 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-*] attributes do not have valid values
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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
vktema.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
vktema.com 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
N/A
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vktema.com 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 Vktema.com 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.
vktema.com
Open Graph description is not detected on the main page of Vktema. 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: