Tools & Wizards About Us
b2b2.su screenshot

Report Summary

  • 85

    Performance

    Renders faster than
    88% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

b2b2.su

Скачать бесплатно новые книги на сайте электронной библиотеки b2b2.su

Page Load Speed

3.7 sec in total

First Response

522 ms

Resources Loaded

2.4 sec

Page Rendered

845 ms

b2b2.su screenshot

About Website

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.su

Key Findings

We analyzed B2b2.su page load time and found that the first response time was 522 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

b2b2.su performance score

85

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

51/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.118

85/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

b2b2.su

522 ms

b2b2.su

672 ms

menu1.png

124 ms

logo.png

279 ms

2.png

638 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 97% of them (34 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 (1.1 sec) belongs to the original domain B2b2.su.

Page Optimization Overview & Recommendations

Page size can be reduced by 73.0 kB (11%)

Content Size

652.7 kB

After Optimization

579.7 kB

  • HTML
  • Images

In fact, the total size of B2b2.su main page is 652.7 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. 35% of websites need less resources to load. Images take 575.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 61.4 kB

  • Original 77.6 kB
  • After minification 76.8 kB
  • After compression 16.2 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 61.4 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 11.6 kB

  • Original 575.1 kB
  • After minification 563.5 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.

Requests Breakdown

We found no issues to fix!

Requests Now

29

After Optimization

29

  • Images
  • JavaScript

The browser has sent 29 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.

Network Requests Diagram

b2b2.su

b2b2.su

522 ms

b2b2.su

b2b2.su

672 ms

menu1.png

menu1.png

124 ms

logo.png

logo.png

279 ms

2.png

2.png

638 ms

46051.jpg

46051.jpg

647 ms

ico_view1.png

ico_view1.png

403 ms

fonts4.woff

fonts4.woff

536 ms

fonts6.woff

fonts6.woff

536 ms

fonts3.woff

fonts3.woff

528 ms

hit

hit

554 ms

script2.js

script2.js

550 ms

ico_dwn1.png

ico_dwn1.png

646 ms

38067.jpg

38067.jpg

647 ms

40096.jpg

40096.jpg

650 ms

14354.jpg

14354.jpg

750 ms

15401.jpg

15401.jpg

762 ms

15363.jpg

15363.jpg

767 ms

46042.jpg

46042.jpg

770 ms

46041.jpg

46041.jpg

769 ms

38579.jpg

38579.jpg

773 ms

37526.jpg

37526.jpg

870 ms

LustryItalii.jpg

LustryItalii.jpg

1007 ms

46050.jpg

46050.jpg

889 ms

46049.jpg

46049.jpg

893 ms

46048.jpg

46048.jpg

893 ms

46047.jpg

46047.jpg

1019 ms

46046.jpg

46046.jpg

989 ms

46045.jpg

46045.jpg

1012 ms

46044.jpg

46044.jpg

1017 ms

15092.jpg

15092.jpg

1017 ms

14367.jpg

14367.jpg

1109 ms

14431.jpg

14431.jpg

1130 ms

bcbtms.jpg

bcbtms.jpg

1135 ms

fonts5.woff

fonts5.woff

880 ms

Accessibility Review

b2b2.su accessibility score

81

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

Form elements do not have associated labels

Best Practices

b2b2.su best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

b2b2.su SEO score

96

Search Engine Optimization Advices

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    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.

Social Sharing Optimization

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: