Report Summary

  • 19

    Performance

    Renders faster than
    35% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

blacktyres.ru

BlackTyres - Интернет-магазин шин и дисков в Москве

Page Load Speed

11.2 sec in total

First Response

417 ms

Resources Loaded

10.4 sec

Page Rendered

349 ms

blacktyres.ru screenshot

About Website

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

В нашем интернет магазине представлены автомобильные шины, диски и ассортимент товаров ведущих производителей самых востребованных марок авто. Если вам необходимо купить шины в Москве, то лучше всего ...

Visit blacktyres.ru

Key Findings

We analyzed Blacktyres.ru page load time and found that the first response time was 417 ms and then it took 10.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

blacktyres.ru performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

77/100

10%

LCP (Largest Contentful Paint)

Value11.6 s

0/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value13,000 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.184

66/100

15%

TTI (Time to Interactive)

Value21.1 s

1/100

10%

Network Requests Diagram

blacktyres.ru

417 ms

www.blacktyres.ru

961 ms

main.css

685 ms

jquery-1.10.1.min.js

744 ms

jquery-migrate-1.2.1.min.js

333 ms

Our browser made a total of 159 requests to load all elements on the main page. We found that 88% of them (140 requests) were addressed to the original Blacktyres.ru, 2% (3 requests) were made to S.ytimg.com and 2% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Blacktyres.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 926.1 kB (31%)

Content Size

3.0 MB

After Optimization

2.1 MB

In fact, the total size of Blacktyres.ru main page is 3.0 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. 55% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 82.3 kB

  • Original 99.2 kB
  • After minification 82.0 kB
  • After compression 16.9 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. This page needs HTML code to be minified as it can gain 17.2 kB, which is 17% 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 82.3 kB or 83% of the original size.

Image Optimization

-13%

Potential reduce by 282.7 kB

  • Original 2.1 MB
  • After minification 1.9 MB

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, Black Tyres needs image optimization as it can save up to 282.7 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 461.1 kB

  • Original 621.4 kB
  • After minification 540.4 kB
  • After compression 160.3 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 461.1 kB or 74% of the original size.

CSS Optimization

-84%

Potential reduce by 100.1 kB

  • Original 118.9 kB
  • After minification 91.9 kB
  • After compression 18.8 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. Blacktyres.ru needs all CSS files to be minified and compressed as it can save up to 100.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (26%)

Requests Now

148

After Optimization

109

The browser has sent 148 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Black Tyres. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

blacktyres.ru accessibility score

68

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

blacktyres.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

blacktyres.ru SEO score

85

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

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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blacktyres.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 Blacktyres.ru main page’s claimed encoding is iso-8859-1. 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 Black Tyres. 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: