12.5 sec in total
419 ms
11.4 sec
653 ms
Welcome to bl-school.com homepage info - get ready to check Bl School best content for Russia right away, or after learning these important things about bl-school.com
В школе Bratec Lis School уверены - только через наслаждение своей работой можно достичь лучших результатов. А для нас нет лучшего, чем ученики, у которых получается.
Visit bl-school.comWe analyzed Bl-school.com page load time and found that the first response time was 419 ms and then it took 12.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
bl-school.com performance score
name
value
score
weighting
Value3.9 s
26/100
10%
Value14.9 s
0/100
25%
Value8.5 s
18/100
10%
Value9,940 ms
0/100
30%
Value0.265
46/100
15%
Value19.7 s
2/100
10%
419 ms
1406 ms
151 ms
416 ms
291 ms
Our browser made a total of 147 requests to load all elements on the main page. We found that 29% of them (43 requests) were addressed to the original Bl-school.com, 21% (31 requests) were made to Web.redhelper.ru and 9% (13 requests) were made to Vk.com. The less responsive or slowest element that took the longest time to load (3.1 sec) relates to the external source Web.redhelper.ru.
Page size can be reduced by 1.5 MB (62%)
2.5 MB
931.4 kB
In fact, the total size of Bl-school.com main page is 2.5 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. 65% of websites need less resources to load. Javascripts take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 125.6 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 125.6 kB or 82% of the original size.
Potential reduce by 27.6 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. Bl School images are well optimized though.
Potential reduce by 1.1 MB
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 1.1 MB or 79% of the original size.
Potential reduce by 278.4 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. Bl-school.com needs all CSS files to be minified and compressed as it can save up to 278.4 kB or 87% of the original size.
Number of requests can be reduced by 78 (56%)
140
62
The browser has sent 140 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bl School. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 44 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.
bl-school.com
419 ms
www.bl-school.com
1406 ms
page_3ae6b366d982c037235091925ddf04aa_586eecaf875c83dd9b56ba270cfce2c7.css
151 ms
kernel.css
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template_5dc127e42e2b1572204f136b2b3f5899_f1f1d9100ac0b887a06f25ed02727759.css
291 ms
kernel.js
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jquery-1.8.2.min.js
597 ms
jquery.maskedinput.js
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jquery.mousewheel-3.0.6.pack.js
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jquery.fancybox.js
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jquery.fancybox.css
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jquery.mCustomScrollbar.concat.min.js
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jquery.mCustomScrollbar.css
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font-awesome.min.css
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api.js
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hashids.min.js
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openapi.js
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main.js
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dc.js
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fbds.js
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recaptcha__de.js
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line-bgrd.gif
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bratec-lis-school-logo.gif
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menu-bgrd.gif
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upright.png
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date-bgrd.gif
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VK-Grey.png
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widget_community.php
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ga-audiences
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lite.css
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lite.js
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lang3_0.js
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widget_community.css
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xdm.js
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version.js
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xd_arbiter.php
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widgetsModule.js
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camera_50.png
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w_logo.png
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share-counter.html
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impression.html
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widgets-batch.js
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main.js
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start
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extra.js
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watch.js
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like_box.php
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main.js
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jquery-new.min.js
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evgeny2
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count.json
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count.json
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share_count
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share_count
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support.html
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mac.css
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Ava_default.png
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badge13.png
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main.js
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jquery.min.js
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common.css
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573851
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connector.html
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connector.html
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connector-frame.css
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connector.js
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icon-close.png
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icon_time_picker_close.png
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warning-top.png
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warning-mid.png
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warning-bottom.png
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copyright-bottom-p1.png
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connector-popup.css
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mac.css
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upload.html
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bl-school.com 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.
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
bl-school.com 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
bl-school.com SEO score
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
RU
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bl-school.com can be misinterpreted by Google and other search engines. Our service has detected that Russian 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 Bl-school.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.
bl-school.com
Open Graph description is not detected on the main page of Bl School. 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: