Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

adnwrtg.bos.ru

Webservis.ru - Error:404 Not Found

Page Load Speed

5.2 sec in total

First Response

1.2 sec

Resources Loaded

3.9 sec

Page Rendered

131 ms

adnwrtg.bos.ru screenshot

About Website

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

Visit adnwrtg.bos.ru

Key Findings

We analyzed Adnwrtg.bos.ru page load time and found that the first response time was 1.2 sec and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

adnwrtg.bos.ru performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

69/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

adnwrtg.bos.ru

1171 ms

css.css

2585 ms

blok.css

1568 ms

r3-centre.png

919 ms

logo.gif

1037 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 6% of them (1 request) were addressed to the original Adnwrtg.bos.ru, 69% (11 requests) were made to Centre.ru and 25% (4 requests) were made to Wallst.ru. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Centre.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 14.5 kB (50%)

Content Size

29.0 kB

After Optimization

14.5 kB

In fact, the total size of Adnwrtg.bos.ru main page is 29.0 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 12.1 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 10.0 kB

  • Original 11.9 kB
  • After minification 9.3 kB
  • After compression 2.0 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. This page needs HTML code to be minified as it can gain 2.6 kB, which is 22% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 10.0 kB or 83% of the original size.

Image Optimization

-4%

Potential reduce by 478 B

  • Original 12.1 kB
  • After minification 11.6 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. Adnwrtg Bos images are well optimized though.

CSS Optimization

-81%

Potential reduce by 4.1 kB

  • Original 5.0 kB
  • After minification 3.8 kB
  • After compression 935 B

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. Adnwrtg.bos.ru needs all CSS files to be minified and compressed as it can save up to 4.1 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (53%)

Requests Now

15

After Optimization

7

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Adnwrtg Bos. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

adnwrtg.bos.ru accessibility score

59

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

Best Practices

adnwrtg.bos.ru best practices score

67

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

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

adnwrtg.bos.ru SEO score

54

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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 Adnwrtg.bos.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 Adnwrtg.bos.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 Adnwrtg Bos. 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: