5.7 sec in total
489 ms
4.9 sec
285 ms
Click here to check amazing Tickets Ceskafilharmonie content for Czech Republic. Otherwise, check out these important facts you probably never knew about tickets.ceskafilharmonie.cz
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 tickets.ceskafilharmonie.czWe analyzed Tickets.ceskafilharmonie.cz page load time and found that the first response time was 489 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
tickets.ceskafilharmonie.cz performance score
name
value
score
weighting
Value7.9 s
0/100
10%
Value11.5 s
0/100
25%
Value18.7 s
0/100
10%
Value12,890 ms
0/100
30%
Value0.14
79/100
15%
Value24.0 s
1/100
10%
489 ms
425 ms
608 ms
756 ms
118 ms
Our browser made a total of 41 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Tickets.ceskafilharmonie.cz, 49% (20 requests) were made to Colosseumticket.cz and 7% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Colosseumticket.cz.
Page size can be reduced by 2.4 MB (91%)
2.6 MB
230.8 kB
In fact, the total size of Tickets.ceskafilharmonie.cz main page is 2.6 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 2.6 MB which makes up the majority of the site volume.
Potential reduce by 2.4 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 2.4 MB or 93% of the original size.
Potential reduce by 161 B
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.
Number of requests can be reduced by 26 (74%)
35
9
The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tickets Ceskafilharmonie. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
tickets.ceskafilharmonie.cz
489 ms
www.colosseumticket.cz
425 ms
colosseumticket.cz
608 ms
en
756 ms
gtm.js
118 ms
3d0caa6a3f330dd81869.css
534 ms
f1c88fc98591bb92e1e7.css
717 ms
a8ae6495634147d47481.css
532 ms
1595430365-colosseum-logo-dark.svg
473 ms
1594982651-colosseum-logo-white.svg
174 ms
analytics.js
384 ms
conversion_async.js
773 ms
hotjar-2477945.js
758 ms
retargeting.js
1540 ms
fbevents.js
656 ms
recorder.js
617 ms
polyfills-ef3d50462330da67074a.js
374 ms
webpack-245f049e565ebf942e09.js
373 ms
framework.64c08973ae123710aa81.js
373 ms
commons.f8463d315f85726012fc.js
373 ms
main-6fa352f0459a9299ba59.js
1080 ms
_app-fda5d2209e2e59fcd91b.js
517 ms
ddc9e94f.a399627e0a6879d4a2bd.js
1078 ms
0c264786.0ad499f2762eae888786.js
1272 ms
75fc9c18.4ffea5d0c6763c7d4ba0.js
1078 ms
ba784332ae88ef6cea53fbefe5077eb2dfa18a68.028a8b64d0243a1ed2b3.js
2360 ms
ba784332ae88ef6cea53fbefe5077eb2dfa18a68_CSS.a83a6a4548b93404854d.js
1078 ms
%5B...slug%5D-d061efb761fa4b701c8f.js
2357 ms
_buildManifest.js
2357 ms
_ssgManifest.js
2357 ms
css2
454 ms
css2
486 ms
linkid.js
278 ms
collect
121 ms
collect
864 ms
524890997673820
794 ms
modules.61e17720cf639c3e96a7.js
791 ms
776 ms
ga-audiences
1240 ms
256 ms
box-69edcc3187336f9b0a3fbb4c73be9fe6.html
251 ms
tickets.ceskafilharmonie.cz 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>).
tickets.ceskafilharmonie.cz 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
tickets.ceskafilharmonie.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 Tickets.ceskafilharmonie.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 Tickets.ceskafilharmonie.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.
tickets.ceskafilharmonie.cz
Open Graph description is not detected on the main page of Tickets Ceskafilharmonie. 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: