Tools & Wizards About Us
cool-mania.cz screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% 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

cool-mania.cz

Party | Vychytávky | Gadgety | Dárky | Spy | Fashion | Cool Mania E-Shop

Page Load Speed

2.5 sec in total

First Response

26 ms

Resources Loaded

1.8 sec

Page Rendered

667 ms

cool-mania.cz screenshot

About Website

Visit cool-mania.cz now to see the best up-to-date Cool Mania content for Czech Republic and also check out these interesting facts you probably never knew about cool-mania.cz

Internetový e-shop Cool-Mania.cz ti přináší různé vychytávky, gadgety, spy techniku, party věci a cool dárky na prodej online za coolové ceny.

Visit cool-mania.cz

Key Findings

We analyzed Cool-mania.cz page load time and found that the first response time was 26 ms and then it took 2.4 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

cool-mania.cz performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value7.8 s

24/100

10%

TBT (Total Blocking Time)

Value620 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

cool-mania.cz

26 ms

cool-mania.cz

324 ms

www.cool-mania.cz

642 ms

build.css

20 ms

build.js

145 ms

Our browser made a total of 247 requests to load all elements on the main page. We found that 6% of them (14 requests) were addressed to the original Cool-mania.cz, 69% (170 requests) were made to Cool-mania.net and 19% (48 requests) were made to Flagcdn.com. The less responsive or slowest element that took the longest time to load (915 ms) belongs to the original domain Cool-mania.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 149.3 kB (8%)

Content Size

1.8 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Cool-mania.cz main page is 1.8 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. 60% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 119.0 kB

  • Original 146.5 kB
  • After minification 136.2 kB
  • After compression 27.5 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 119.0 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 30.2 kB

  • Original 1.6 MB
  • After minification 1.6 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. Cool Mania images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 83 B

  • Original 26.9 kB
  • After minification 26.9 kB
  • After compression 26.8 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.

Requests Breakdown

Number of requests can be reduced by 101 (42%)

Requests Now

242

After Optimization

141

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 242 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cool Mania. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cool-mania.cz

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26 ms

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Accessibility Review

cool-mania.cz accessibility score

68

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Best Practices

cool-mania.cz 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

Page has valid source maps

SEO Factors

cool-mania.cz 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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cool-mania.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Cool-mania.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

cool-mania.cz

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