3.7 sec in total
420 ms
3.2 sec
158 ms
Welcome to rezervace.colosseumticket.cz homepage info - get ready to check Rezervace Colosseum Ticket best content for Czech Republic right away, or after learning these important things about rezervace.colosseumticket.cz
Be inspired, discover new stories and experience new cultural experiences ✓ 800+ events throughout the Czech Republic ✓ 120+ points of sale ✓ Use of benefit systems
Visit rezervace.colosseumticket.czWe analyzed Rezervace.colosseumticket.cz page load time and found that the first response time was 420 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
rezervace.colosseumticket.cz performance score
name
value
score
weighting
Value4.8 s
12/100
10%
Value21.0 s
0/100
25%
Value8.4 s
18/100
10%
Value2,910 ms
3/100
30%
Value0.244
51/100
15%
Value20.2 s
2/100
10%
420 ms
486 ms
902 ms
67 ms
299 ms
Our browser made a total of 107 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Rezervace.colosseumticket.cz, 86% (92 requests) were made to Colosseumticket.cz and 7% (8 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Colosseumticket.cz.
Page size can be reduced by 3.1 MB (90%)
3.4 MB
356.1 kB
In fact, the total size of Rezervace.colosseumticket.cz main page is 3.4 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. HTML takes 3.3 MB which makes up the majority of the site volume.
Potential reduce by 3.0 MB
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 3.0 MB or 90% of the original size.
Potential reduce by 87.9 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 87.9 kB or 78% of the original size.
Number of requests can be reduced by 92 (96%)
96
4
The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rezervace Colosseum Ticket. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 63 to 1 for JavaScripts and from 31 to 1 for CSS and as a result speed up the page load time.
rezervace.colosseumticket.cz
420 ms
www.colosseumticket.cz
486 ms
en
902 ms
gtm.js
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notifee.css
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rezervace.colosseumticket.cz accessibility score
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
button, link, and menuitem elements do not have accessible names.
ARIA IDs are not unique
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
rezervace.colosseumticket.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
rezervace.colosseumticket.cz SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
Document uses legible font sizes
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rezervace.colosseumticket.cz can be misinterpreted by Google and other search engines. Our service has detected that English 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 Rezervace.colosseumticket.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.
rezervace.colosseumticket.cz
Open Graph description is not detected on the main page of Rezervace Colosseum Ticket. 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: