1.6 sec in total
49 ms
1.1 sec
417 ms
Click here to check amazing 4B2 content. Otherwise, check out these important facts you probably never knew about 4b2.biz
Visit 4b2.bizWe analyzed 4b2.biz page load time and found that the first response time was 49 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
4b2.biz performance score
name
value
score
weighting
Value3.2 s
43/100
10%
Value3.4 s
65/100
25%
Value5.9 s
48/100
10%
Value920 ms
31/100
30%
Value0
100/100
15%
Value8.3 s
40/100
10%
49 ms
687 ms
279 ms
277 ms
24 ms
Our browser made a total of 11 requests to load all elements on the main page. We found that 9% of them (1 request) were addressed to the original 4b2.biz, 45% (5 requests) were made to Cdn.4b2.com and 36% (4 requests) were made to 4b2.com. The less responsive or slowest element that took the longest time to load (687 ms) relates to the external source 4b2.com.
Page size can be reduced by 250.2 kB (55%)
451.9 kB
201.7 kB
In fact, the total size of 4b2.biz main page is 451.9 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. HTML takes 364.8 kB which makes up the majority of the site volume.
Potential reduce by 245.9 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 245.9 kB or 67% of the original size.
Potential reduce by 3.1 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. 4B2 images are well optimized though.
Potential reduce by 22 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 1.2 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. 4b2.biz has all CSS files already compressed.
We found no issues to fix!
9
9
The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4B2. According to our analytics all requests are already optimized.
4b2.biz
49 ms
4b2.com
687 ms
main_c9bb6846.css
279 ms
app.css
277 ms
choose.png
24 ms
spock.png
22 ms
enjoy.png
23 ms
crypto-icon.png
259 ms
list.min.js
4 ms
app.js
3 ms
chatra.js
38 ms
4b2.biz 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
4b2.biz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Missing source maps for large first-party JavaScript
4b2.biz 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
RU
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 4b2.biz 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 4b2.biz 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.
4b2.biz
Open Graph description is not detected on the main page of 4B2. 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: