11.9 sec in total
954 ms
10.5 sec
406 ms
Click here to check amazing Bitclass content for Russia. Otherwise, check out these important facts you probably never knew about bitclass.ru
Visit bitclass.ruWe analyzed Bitclass.ru page load time and found that the first response time was 954 ms and then it took 11 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
bitclass.ru performance score
name
value
score
weighting
Value3.4 s
38/100
10%
Value3.6 s
60/100
25%
Value5.2 s
60/100
10%
Value430 ms
64/100
30%
Value0
100/100
15%
Value4.8 s
79/100
10%
954 ms
648 ms
13 ms
31 ms
249 ms
Our browser made a total of 56 requests to load all elements on the main page. We found that 79% of them (44 requests) were addressed to the original Bitclass.ru, 7% (4 requests) were made to Mc.yandex.ru and 4% (2 requests) were made to Yandex.st. The less responsive or slowest element that took the longest time to load (8.8 sec) relates to the external source Mc.yandex.ru.
Page size can be reduced by 670.1 kB (54%)
1.2 MB
575.5 kB
In fact, the total size of Bitclass.ru main page is 1.2 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. 55% of websites need less resources to load. Javascripts take 523.3 kB which makes up the majority of the site volume.
Potential reduce by 13.3 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. 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 13.3 kB or 73% of the original size.
Potential reduce by 60.2 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. Obviously, Bitclass needs image optimization as it can save up to 60.2 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 356.6 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 356.6 kB or 68% of the original size.
Potential reduce by 240.0 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. Bitclass.ru needs all CSS files to be minified and compressed as it can save up to 240.0 kB or 85% of the original size.
Number of requests can be reduced by 16 (34%)
47
31
The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bitclass. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
bitclass.ru
954 ms
raphael.js
648 ms
jquery.min.js
13 ms
jquery-ui.min.js
31 ms
jqmath-etc-0.3.0.min.js
249 ms
lodash.min.js
249 ms
flatui-checkbox.js
169 ms
bootstrap.min.js
256 ms
jquery.sticky.js
252 ms
bootstrap.css
641 ms
flatui.css
762 ms
bitclass.css
497 ms
css
26 ms
css
43 ms
jqmath-0.3.0.css
340 ms
openapi.js
395 ms
src-app-index.coffee
406 ms
watch.js
191 ms
3_1_FFFFFFFF_EFEFEFFF_0_pageviews
349 ms
calculator.png
99 ms
typography.png
97 ms
stat_round.svg
105 ms
trophy.png
97 ms
vkontakte.svg
99 ms
landing_bg_1.jpg
422 ms
goal.svg
317 ms
book.svg
315 ms
graph.svg
318 ms
landing_reviews_bg.jpg
320 ms
quote_up.png
321 ms
quote_down.png
331 ms
Inna_bw.png
324 ms
Leonid_bw.png
324 ms
Masha_bw.png
418 ms
Anna_bw.png
422 ms
Vitaly_bw.png
420 ms
Katya_bw.png
418 ms
ava.png
419 ms
Nazira_bw.png
502 ms
vk.png
422 ms
twitter.png
421 ms
facebook.png
421 ms
pkYDSlCHbDnBWPT5PPFFTA.ttf
48 ms
g46X4VH_KHOWAAa-HpnGPi3USBnSvpkopQaUR-2r7iU.ttf
208 ms
lato-regular-webfont.woff
326 ms
lato-light-webfont.woff
444 ms
lato-bold-webfont.woff
400 ms
lato-black-webfont.woff
393 ms
Flat-UI-Icons.woff
400 ms
watch.js
8751 ms
test
175 ms
test
2092 ms
bind
178 ms
bind
94 ms
advert.gif
86 ms
1
84 ms
bitclass.ru 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
<frame> or <iframe> elements do not have a title
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
bitclass.ru 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
Browser errors were logged to the console
bitclass.ru 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
Tap targets are not sized appropriately
RU
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bitclass.ru 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 Bitclass.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.
bitclass.ru
Open Graph description is not detected on the main page of Bitclass. 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: