6.6 sec in total
364 ms
5.9 sec
364 ms
Visit ceskafilharmonie.colosseum.eu now to see the best up-to-date Ceskafilharmonie Colosseum content for Czech Republic and also check out these interesting facts you probably never knew about ceskafilharmonie.colosseum.eu
Be inspired, discover new stories and experience new cultural experiences ✓ 700+ events throughout the Czech Republic ✓ 120+ points of sale ✓ Use of benefit systems
Visit ceskafilharmonie.colosseum.euWe analyzed Ceskafilharmonie.colosseum.eu page load time and found that the first response time was 364 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
ceskafilharmonie.colosseum.eu performance score
name
value
score
weighting
Value6.5 s
2/100
10%
Value9.5 s
0/100
25%
Value11.5 s
5/100
10%
Value3,830 ms
1/100
30%
Value0.164
72/100
15%
Value17.3 s
4/100
10%
364 ms
1275 ms
2014 ms
222 ms
220 ms
Our browser made a total of 91 requests to load all elements on the main page. We found that 3% of them (3 requests) were addressed to the original Ceskafilharmonie.colosseum.eu, 64% (58 requests) were made to Colosseumticket.cz and 16% (15 requests) were made to Rezervace.colosseumticket.cz. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Colosseumticket.cz.
Page size can be reduced by 757.5 kB (54%)
1.4 MB
636.6 kB
In fact, the total size of Ceskafilharmonie.colosseum.eu main page is 1.4 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. 30% of websites need less resources to load. Javascripts take 847.4 kB which makes up the majority of the site volume.
Potential reduce by 72.3 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 12.8 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 72.3 kB or 84% of the original size.
Potential reduce by 31.7 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. Ceskafilharmonie Colosseum images are well optimized though.
Potential reduce by 605.4 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 605.4 kB or 71% of the original size.
Potential reduce by 48.1 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. Ceskafilharmonie.colosseum.eu needs all CSS files to be minified and compressed as it can save up to 48.1 kB or 83% of the original size.
Number of requests can be reduced by 36 (42%)
86
50
The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ceskafilharmonie Colosseum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
ceskafilharmonie.colosseum.eu
364 ms
colosseumticket.cz
1275 ms
2014 ms
style.css
222 ms
template.css
220 ms
jquery-1.6.2.min.js
13 ms
mootools-core.js
666 ms
core.js
240 ms
caption.js
240 ms
carousel.js
328 ms
main.js
329 ms
mootools-more.js
1032 ms
powertools-1.2.0.js
351 ms
slider.js
437 ms
dinamods.js
443 ms
easyTooltip.js
457 ms
lazyloadforjoomla.js
372 ms
positions.css
449 ms
general.css
456 ms
modules.css
469 ms
editor.css
482 ms
showHide.js
558 ms
style.css
458 ms
background.jpg
395 ms
background-footer.jpg
233 ms
blank.gif
157 ms
ga.js
12 ms
externalquickdialogcart
468 ms
icon-login.jpg
160 ms
bg-lista-login.jpg
159 ms
logo.png
159 ms
bg-input-search.png
213 ms
btn-search.jpg
278 ms
menu-bg.jpg
277 ms
menu-hover.jpg
273 ms
bg-tabs.jpg
328 ms
bg-nadpis-orange.jpg
332 ms
menu-li.png
387 ms
menu-li-arrow.png
385 ms
__utm.gif
14 ms
collect
112 ms
bg-nadpis-gray.jpg
316 ms
loader.gif
366 ms
bg-item.jpg
371 ms
btn-orange.jpg
436 ms
arrow-left.png
423 ms
arrow-right.png
429 ms
bg-nadpis-blue.jpg
426 ms
bg-td-blue.jpg
475 ms
btn-blue.jpg
477 ms
bg-td-gray.jpg
530 ms
logo-ps.jpg
536 ms
TPR_704_61010.jpg
363 ms
TPR_279_93048.jpg
284 ms
TPR_481_93074.jpg
467 ms
TPR_786_93913.jpg
263 ms
TPR_738_93894.jpg
142 ms
TPR_481_336.jpg
442 ms
TPR_481_70955.jpg
584 ms
TPR_738_80267.jpg
247 ms
TPR_704_70891.jpg
344 ms
TPR_704_61024.jpg
337 ms
TPR_704_61046.jpg
339 ms
TPR_704_92381.jpg
341 ms
cz.gif
466 ms
en.gif
479 ms
de.gif
511 ms
menu-separator.jpg
517 ms
F.jpg
570 ms
spinner.gif
576 ms
repre%20banner.jpg
593 ms
prague%20spring%203.jpg
602 ms
prev.png
621 ms
next.png
624 ms
prodejni-mista-en.jpg
689 ms
titlethumb.png
697 ms
ga-audiences
32 ms
style_external.css
220 ms
jquery-1.6.2.min.js
661 ms
jquery-ui-1.8.16.custom.min.js
811 ms
jquery-ui-timepicker-addon.js
570 ms
jquery.spinner.js
227 ms
jqModal.js
230 ms
jqFunctions.js
534 ms
jquery.dataTables.js
992 ms
jquery.poshytip.js
458 ms
custom.js
574 ms
RegionalSettingsDateTimePicker.js
641 ms
ExternalMaster.js
681 ms
bg-btn-login.jpg
127 ms
spinner.gif
118 ms
ceskafilharmonie.colosseum.eu accessibility score
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>).
ceskafilharmonie.colosseum.eu best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
ceskafilharmonie.colosseum.eu 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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ceskafilharmonie.colosseum.eu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Ceskafilharmonie.colosseum.eu 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.
ceskafilharmonie.colosseum.eu
Open Graph description is not detected on the main page of Ceskafilharmonie Colosseum. 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: