Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

kolesobu.ru

Колеса БУ, шины Б/У и резина БУ в СПб. Продажа шин БУ. Выгодно купить шины БУ

Page Load Speed

3.5 sec in total

First Response

520 ms

Resources Loaded

2.9 sec

Page Rendered

134 ms

About Website

Visit kolesobu.ru now to see the best up-to-date Kolesobu content for Russia and also check out these interesting facts you probably never knew about kolesobu.ru

Компания «Колесо БУ» осуществляет продажу шин и резины б/у в Санкт-Петербурге. У нас Вы можете купить шины БУ для любого сезона по самым низким ценам.

Visit kolesobu.ru

Key Findings

We analyzed Kolesobu.ru page load time and found that the first response time was 520 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

kolesobu.ru performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

34/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value4.7 s

81/100

10%

Network Requests Diagram

kolesobu.ru

520 ms

kolesobu.ru

714 ms

site.css

125 ms

jquery-1.11.3.min.js

373 ms

highslide.css

351 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 92% of them (33 requests) were addressed to the original Kolesobu.ru, 6% (2 requests) were made to Counter.yadro.ru and 3% (1 request) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (876 ms) belongs to the original domain Kolesobu.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 141.4 kB (13%)

Content Size

1.1 MB

After Optimization

912.9 kB

In fact, the total size of Kolesobu.ru main page is 1.1 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 988.7 kB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 22.2 kB

  • Original 36.8 kB
  • After minification 35.4 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 22.2 kB or 60% of the original size.

Image Optimization

-10%

Potential reduce by 98.5 kB

  • Original 988.7 kB
  • After minification 890.2 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. Kolesobu images are well optimized though.

CSS Optimization

-72%

Potential reduce by 20.7 kB

  • Original 28.9 kB
  • After minification 22.8 kB
  • After compression 8.1 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. Kolesobu.ru needs all CSS files to be minified and compressed as it can save up to 20.7 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (34%)

Requests Now

32

After Optimization

21

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kolesobu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kolesobu.ru accessibility score

83

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

Links do not have a discernible name

Best Practices

kolesobu.ru best practices score

75

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

SEO Factors

kolesobu.ru SEO score

69

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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

Social Sharing Optimization

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