Tools & Wizards About Us
koleso39.com screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

koleso39.com

Шинный центр в Калининграде, интернет магазин | «Колесо»

Page Load Speed

4.3 sec in total

First Response

375 ms

Resources Loaded

3.8 sec

Page Rendered

102 ms

koleso39.com screenshot

About Website

Visit koleso39.com now to see the best up-to-date Koleso 39 content for Russia and also check out these interesting facts you probably never knew about koleso39.com

В шинном центре «Колесо» Калининград вы можете купить автошины, литые диски и автомобильные аккумуляторы по доступным ценам с доставкой. Работает шиномонтаж! ☎ +7 (4012) 505-115

Visit koleso39.com

Key Findings

We analyzed Koleso39.com page load time and found that the first response time was 375 ms and then it took 3.9 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

koleso39.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value14.5 s

0/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value1,190 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.348

32/100

15%

TTI (Time to Interactive)

Value18.6 s

3/100

10%

Network Requests Diagram

koleso39.com

375 ms

www.koleso39.com

773 ms

template_77edbafeff805eac3d82dbdb5658b3de_v1.css

359 ms

logo.png

352 ms

logIn.png

352 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 56% of them (31 requests) were addressed to the original Koleso39.com, 7% (4 requests) were made to Googletagmanager.com and 7% (4 requests) were made to Top-fwz1.mail.ru. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Mc.yandex.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 132.6 kB (15%)

Content Size

888.6 kB

After Optimization

756.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Koleso39.com main page is 888.6 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. 45% of websites need less resources to load. Javascripts take 370.4 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 39.8 kB

  • Original 52.9 kB
  • After minification 45.3 kB
  • After compression 13.1 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 7.7 kB, which is 14% 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 39.8 kB or 75% of the original size.

Image Optimization

-12%

Potential reduce by 42.3 kB

  • Original 365.5 kB
  • After minification 323.2 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. Obviously, Koleso 39 needs image optimization as it can save up to 42.3 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

-1%

Potential reduce by 2.6 kB

  • Original 370.4 kB
  • After minification 370.4 kB
  • After compression 367.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-48%

Potential reduce by 47.9 kB

  • Original 99.8 kB
  • After minification 99.8 kB
  • After compression 51.9 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. Koleso39.com needs all CSS files to be minified and compressed as it can save up to 47.9 kB or 48% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (57%)

Requests Now

51

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koleso 39. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

koleso39.com

koleso39.com

375 ms

www.koleso39.com

www.koleso39.com

773 ms

template_77edbafeff805eac3d82dbdb5658b3de_v1.css

template_77edbafeff805eac3d82dbdb5658b3de_v1.css

359 ms

logo.png

logo.png

352 ms

logIn.png

logIn.png

352 ms

kejxc3rh2m27ti8fl6z2bsr1o9w20jjd.jpg

kejxc3rh2m27ti8fl6z2bsr1o9w20jjd.jpg

587 ms

close.svg

close.svg

352 ms

enterprise.js

enterprise.js

95 ms

core.js

core.js

706 ms

kernel_main_v1.js

kernel_main_v1.js

932 ms

protobuf.js

protobuf.js

712 ms

model.js

model.js

478 ms

rest.client.js

rest.client.js

479 ms

pull.client.js

pull.client.js

712 ms

jquery.min.js

jquery.min.js

42 ms

jquery.easing.min.js

jquery.easing.min.js

64 ms

template_ddd73f578dea2ac53b24c300f42a2a54_v1.js

template_ddd73f578dea2ac53b24c300f42a2a54_v1.js

716 ms

js

js

117 ms

c5jju7xzum516e24gawa2e75p1s55fg.png

c5jju7xzum516e24gawa2e75p1s55fg.png

702 ms

qorlp39yu65hm6rlnka0r3gf4jno1m24.png

qorlp39yu65hm6rlnka0r3gf4jno1m24.png

1052 ms

vmo1uba2a2l0lzlazexbe7rz0dm1hrif.png

vmo1uba2a2l0lzlazexbe7rz0dm1hrif.png

821 ms

20let.png

20let.png

826 ms

postavschiki.png

postavschiki.png

826 ms

oborudovanie.png

oborudovanie.png

833 ms

karta.png

karta.png

988 ms

klienty.png

klienty.png

987 ms

24chasa.png

24chasa.png

988 ms

arrow.svg

arrow.svg

988 ms

e0bqquoblxr7jc8of8991u3x4wsmwtz6.png

e0bqquoblxr7jc8of8991u3x4wsmwtz6.png

1044 ms

gtm.js

gtm.js

89 ms

li.png

li.png

682 ms

basket.png

basket.png

682 ms

option.png

option.png

682 ms

social.png

social.png

691 ms

tel_kol.svg

tel_kol.svg

782 ms

arrUp.png

arrUp.png

926 ms

recaptcha__en.js

recaptcha__en.js

25 ms

code.js

code.js

727 ms

ba.js

ba.js

415 ms

analytics.js

analytics.js

50 ms

watch.js

watch.js

28 ms

tag.js

tag.js

1062 ms

js

js

75 ms

collect

collect

21 ms

collect

collect

21 ms

collect

collect

32 ms

js

js

119 ms

collect

collect

103 ms

ga-audiences

ga-audiences

152 ms

bx_stat

bx_stat

185 ms

sync-loader.js

sync-loader.js

771 ms

counter

counter

127 ms

dyn-goal-config.js

dyn-goal-config.js

250 ms

advert.gif

advert.gif

486 ms

tracker

tracker

126 ms

Accessibility Review

koleso39.com accessibility score

90

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

Links do not have a discernible name

Best Practices

koleso39.com best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

koleso39.com SEO score

93

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

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

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Koleso39.com 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 Koleso39.com 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

koleso39.com

Open Graph description is not detected on the main page of Koleso 39. 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: