Tools & Wizards About Us

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

eventim.cz

eventim.sk: Vstupenky na koncerty, šport, kultúru a iné podujatia

Page Load Speed

9.1 sec in total

First Response

469 ms

Resources Loaded

6.5 sec

Page Rendered

2.1 sec

About Website

Welcome to eventim.cz homepage info - get ready to check Eventim best content for Germany right away, or after learning these important things about eventim.cz

Máme Vaše vstupenky! na viac než 76 000 podujatí ročne, od rockových koncertov a festivalov po klubové podujatia. eventim.sk počúvam len dobrú hudbu

Visit eventim.cz

Key Findings

We analyzed Eventim.cz page load time and found that the first response time was 469 ms and then it took 8.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

eventim.cz performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value11.3 s

0/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value2,790 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.167

71/100

15%

TTI (Time to Interactive)

Value12.4 s

15/100

10%

Network Requests Diagram

www.eventim.cz

469 ms

LAB.min.e842152f.js

66 ms

font-awesome.de685852.css

60 ms

global.88d2e5c8.css

57 ms

tipped.ec0c6ebd.css

60 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that all of those requests were addressed to Eventim.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Eventim.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (60%)

Content Size

2.8 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Eventim.cz main page is 2.8 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. 70% of websites need less resources to load. HTML takes 990.8 kB which makes up the majority of the site volume.

HTML Optimization

-94%

Potential reduce by 933.9 kB

  • Original 990.8 kB
  • After minification 840.4 kB
  • After compression 56.9 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 150.5 kB, which is 15% 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 933.9 kB or 94% of the original size.

Image Optimization

-3%

Potential reduce by 27.9 kB

  • Original 837.2 kB
  • After minification 809.3 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. Eventim images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 384.0 kB

  • Original 560.1 kB
  • After minification 559.0 kB
  • After compression 176.1 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 384.0 kB or 69% of the original size.

CSS Optimization

-85%

Potential reduce by 333.2 kB

  • Original 393.8 kB
  • After minification 393.6 kB
  • After compression 60.7 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. Eventim.cz needs all CSS files to be minified and compressed as it can save up to 333.2 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (44%)

Requests Now

77

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Eventim. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

eventim.cz accessibility score

82

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

eventim.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

eventim.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

High

robots.txt is not valid

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

    SK

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Eventim.cz can be misinterpreted by Google and other search engines. Our service has detected that Slovak is used on the page, and it does not match the claimed Czech language. Our system also found out that Eventim.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

Open Graph data is detected on the main page of Eventim. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: