2.6 sec in total
460 ms
1.2 sec
887 ms
Welcome to b2b2.su homepage info - get ready to check B 2 best content for Russia right away, or after learning these important things about b2b2.su
Скачать новые книги в форматах: .txt, .fb2, .pdf, .ePub, iOs.ePub на сайте электронной библиотеки b2b2.su.
Visit b2b2.suWe analyzed B2b2.su page load time and found that the first response time was 460 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
b2b2.su performance score
name
value
score
weighting
Value1.6 s
95/100
10%
Value3.9 s
51/100
25%
Value2.6 s
97/100
10%
Value20 ms
100/100
30%
Value0.118
85/100
15%
Value2.9 s
96/100
10%
460 ms
159 ms
288 ms
445 ms
190 ms
Our browser made a total of 34 requests to load all elements on the main page. We found that 97% of them (33 requests) were addressed to the original B2b2.su, 3% (1 request) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (687 ms) belongs to the original domain B2b2.su.
Page size can be reduced by 73.7 kB (21%)
348.1 kB
274.4 kB
In fact, the total size of B2b2.su main page is 348.1 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. 15% of websites need less resources to load. Images take 271.8 kB which makes up the majority of the site volume.
Potential reduce by 60.1 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 60.1 kB or 79% of the original size.
Potential reduce by 13.6 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. B 2 images are well optimized though.
We found no issues to fix!
32
32
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of B 2. According to our analytics all requests are already optimized.
b2b2.su
460 ms
menu1.png
159 ms
logo.png
288 ms
2.png
445 ms
36237.jpg
190 ms
ico_view1.png
188 ms
ico_dwn1.png
191 ms
36580.jpg
286 ms
36270.jpg
287 ms
35623.jpg
287 ms
33664.jpg
287 ms
41341.jpg
330 ms
38196.jpg
351 ms
38226.jpg
376 ms
18999.jpg
377 ms
30320.jpg
379 ms
46040.jpg
416 ms
46039.jpg
438 ms
fonts4.woff
601 ms
fonts6.woff
570 ms
fonts3.woff
571 ms
hit
280 ms
46038.jpg
495 ms
46037.jpg
519 ms
46035.jpg
525 ms
46034.jpg
586 ms
46033.jpg
615 ms
46032.jpg
616 ms
25134.jpg
656 ms
12458.jpg
658 ms
38815.jpg
667 ms
bcbtms.jpg
687 ms
script2.js
634 ms
fonts5.woff
514 ms
b2b2.su 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
Form elements do not have associated labels
b2b2.su best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
b2b2.su 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
RU
WINDOWS-1251
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise B2b2.su 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 B2b2.su main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
b2b2.su
Open Graph description is not detected on the main page of B 2. 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: