5.3 sec in total
657 ms
4.3 sec
356 ms
Welcome to lider.by homepage info - get ready to check Lider best content for Belarus right away, or after learning these important things about lider.by
Сайт крупнейшего образовательного центра: более 50 обучающих курсов и программ обучения в 27 городах Беларуси, помощь в трудоустройстве выпускников.
Visit lider.byWe analyzed Lider.by page load time and found that the first response time was 657 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
lider.by performance score
name
value
score
weighting
Value4.3 s
18/100
10%
Value10.3 s
0/100
25%
Value16.5 s
0/100
10%
Value1,370 ms
16/100
30%
Value0.197
62/100
15%
Value38.4 s
0/100
10%
657 ms
315 ms
44 ms
60 ms
59 ms
Our browser made a total of 99 requests to load all elements on the main page. We found that 55% of them (54 requests) were addressed to the original Lider.by, 7% (7 requests) were made to Api-maps.yandex.ru and 5% (5 requests) were made to Static.siteheart.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Lider.by.
Page size can be reduced by 941.8 kB (28%)
3.3 MB
2.4 MB
In fact, the total size of Lider.by main page is 3.3 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 2.0 MB which makes up the majority of the site volume.
Potential reduce by 202.3 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. This page needs HTML code to be minified as it can gain 35.7 kB, which is 13% 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 202.3 kB or 72% of the original size.
Potential reduce by 8.9 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. Lider images are well optimized though.
Potential reduce by 362.9 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 362.9 kB or 64% of the original size.
Potential reduce by 367.7 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. Lider.by needs all CSS files to be minified and compressed as it can save up to 367.7 kB or 82% of the original size.
Number of requests can be reduced by 35 (40%)
87
52
The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lider. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
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lider.by 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.
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 IDs are not unique
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
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>).
lider.by best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
Page has valid source maps
lider.by 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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lider.by 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 Lider.by 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.
lider.by
Open Graph description is not detected on the main page of Lider. 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: