Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

cbinn.ru

Тендерная компания Центр Деловой Информации. Госзаказ. Просто и эффективно

Page Load Speed

4.6 sec in total

First Response

723 ms

Resources Loaded

3.4 sec

Page Rendered

391 ms

cbinn.ru screenshot

About Website

Welcome to cbinn.ru homepage info - get ready to check Cbinn best content for Russia right away, or after learning these important things about cbinn.ru

Главная страница компании Центр Деловой Информации. Все о госзаказе

Visit cbinn.ru

Key Findings

We analyzed Cbinn.ru page load time and found that the first response time was 723 ms and then it took 3.8 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

cbinn.ru performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value2.7 s

97/100

10%

TBT (Total Blocking Time)

Value230 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.063

97/100

15%

TTI (Time to Interactive)

Value4.4 s

84/100

10%

Network Requests Diagram

cbinn.ru

723 ms

style.css

144 ms

jquery.min.js

13 ms

allscripts.js

411 ms

show_ads.js

5 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 57% of them (33 requests) were addressed to the original Cbinn.ru, 7% (4 requests) were made to Pagead2.googlesyndication.com and 7% (4 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Encrypted-tbn3.gstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 155.5 kB (28%)

Content Size

562.5 kB

After Optimization

407.0 kB

In fact, the total size of Cbinn.ru main page is 562.5 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. 40% of websites need less resources to load. Images take 371.9 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 45.8 kB

  • Original 60.4 kB
  • After minification 57.4 kB
  • After compression 14.6 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 45.8 kB or 76% of the original size.

Image Optimization

-12%

Potential reduce by 42.9 kB

  • Original 371.9 kB
  • After minification 329.0 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, Cbinn needs image optimization as it can save up to 42.9 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-46%

Potential reduce by 50.8 kB

  • Original 110.0 kB
  • After minification 109.1 kB
  • After compression 59.2 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 50.8 kB or 46% of the original size.

CSS Optimization

-79%

Potential reduce by 16.0 kB

  • Original 20.2 kB
  • After minification 14.9 kB
  • After compression 4.2 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. Cbinn.ru needs all CSS files to be minified and compressed as it can save up to 16.0 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (39%)

Requests Now

54

After Optimization

33

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cbinn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

cbinn.ru accessibility score

60

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

cbinn.ru best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

cbinn.ru SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cbinn.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 Cbinn.ru 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

Open Graph description is not detected on the main page of Cbinn. 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: