Tools & Wizards About Us
csko.cz screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

csko.cz

Kotelna Counter-Strike 1.6, CS:GO

Page Load Speed

2.9 sec in total

First Response

236 ms

Resources Loaded

2.3 sec

Page Rendered

341 ms

csko.cz screenshot

About Website

Visit csko.cz now to see the best up-to-date CS Ko content for Czech Republic and also check out these interesting facts you probably never knew about csko.cz

Zde si můžete zahrát Counter-Strike 1.6, CS:GO a další hry.

Visit csko.cz

Key Findings

We analyzed Csko.cz page load time and found that the first response time was 236 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

csko.cz performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

20/100

10%

LCP (Largest Contentful Paint)

Value17.7 s

0/100

25%

SI (Speed Index)

Value6.2 s

44/100

10%

TBT (Total Blocking Time)

Value2,080 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

csko.cz

236 ms

csko.cz

503 ms

jquery-1.8.2.js

342 ms

jquery-ui.js

665 ms

jquery.nette.js

325 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 82% of them (36 requests) were addressed to the original Csko.cz, 7% (3 requests) were made to Googleads.g.doubleclick.net and 5% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (771 ms) belongs to the original domain Csko.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.9 MB (69%)

Content Size

2.7 MB

After Optimization

818.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Csko.cz main page is 2.7 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. 30% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 58.5 kB

  • Original 69.7 kB
  • After minification 63.9 kB
  • After compression 11.2 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 58.5 kB or 84% of the original size.

Image Optimization

-81%

Potential reduce by 1.3 MB

  • Original 1.7 MB
  • After minification 326.1 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, CS Ko needs image optimization as it can save up to 1.3 MB or 81% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-48%

Potential reduce by 440.0 kB

  • Original 908.9 kB
  • After minification 908.9 kB
  • After compression 468.9 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 440.0 kB or 48% of the original size.

CSS Optimization

-24%

Potential reduce by 3.8 kB

  • Original 15.7 kB
  • After minification 15.7 kB
  • After compression 11.9 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. Csko.cz needs all CSS files to be minified and compressed as it can save up to 3.8 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (46%)

Requests Now

41

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CS Ko. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

csko.cz

csko.cz

236 ms

csko.cz

csko.cz

503 ms

jquery-1.8.2.js

jquery-1.8.2.js

342 ms

jquery-ui.js

jquery-ui.js

665 ms

jquery.nette.js

jquery.nette.js

325 ms

jquery.ajaxform.js

jquery.ajaxform.js

327 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

325 ms

jquery.fancybox.css

jquery.fancybox.css

325 ms

jquery-ui.css

jquery-ui.css

436 ms

ddsmoothmenu.css

ddsmoothmenu.css

434 ms

ddsmoothmenu-v.css

ddsmoothmenu-v.css

435 ms

reveal.css

reveal.css

435 ms

multi-select.css

multi-select.css

449 ms

tiny_mce.js

tiny_mce.js

771 ms

jquery.reveal.js

jquery.reveal.js

544 ms

anal.js

anal.js

545 ms

style_progress.css

style_progress.css

544 ms

style3.css

style3.css

560 ms

ddsmoothmenu.js

ddsmoothmenu.js

654 ms

adsbygoogle.js

adsbygoogle.js

104 ms

analytics.js

analytics.js

76 ms

bcg.png

bcg.png

654 ms

logo.png

logo.png

542 ms

cententbg.jpg

cententbg.jpg

653 ms

minibarfix.jpg

minibarfix.jpg

129 ms

discord2.png

discord2.png

129 ms

vhe88x88.gif

vhe88x88.gif

129 ms

nonsteam_88x31.gif

nonsteam_88x31.gif

221 ms

plus.png

plus.png

221 ms

navstevy.php

navstevy.php

268 ms

navstevy.php

navstevy.php

406 ms

navstevy.php

navstevy.php

407 ms

navstevy.php

navstevy.php

493 ms

vipuni.png

vipuni.png

512 ms

show_ads_impl.js

show_ads_impl.js

241 ms

modal-gloss.png

modal-gloss.png

444 ms

collect

collect

32 ms

js

js

59 ms

dolebg.jpg

dolebg.jpg

476 ms

down.gif

down.gif

493 ms

right.gif

right.gif

495 ms

zrt_lookup.html

zrt_lookup.html

50 ms

ads

ads

418 ms

ads

ads

396 ms

Accessibility Review

csko.cz accessibility score

73

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

csko.cz 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

csko.cz 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

    CS

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Csko.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech 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 Csko.cz 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

csko.cz

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