14.9 sec in total
422 ms
8.1 sec
6.4 sec
Welcome to ct.cz homepage info - get ready to check Ct best content for Czech Republic right away, or after learning these important things about ct.cz
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Visit ct.czWe analyzed Ct.cz page load time and found that the first response time was 422 ms and then it took 14.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
ct.cz performance score
name
value
score
weighting
Value4.3 s
17/100
10%
Value13.7 s
0/100
25%
Value10.6 s
7/100
10%
Value2,040 ms
7/100
30%
Value0
100/100
15%
Value20.9 s
2/100
10%
422 ms
789 ms
782 ms
133 ms
63 ms
Our browser made a total of 81 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Ct.cz, 62% (50 requests) were made to O2.cz and 6% (5 requests) were made to Assets.adobedtm.com. The less responsive or slowest element that took the longest time to load (3.8 sec) relates to the external source O2.cz.
Page size can be reduced by 361.6 kB (20%)
1.8 MB
1.4 MB
In fact, the total size of Ct.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 1.4 MB which makes up the majority of the site volume.
Potential reduce by 164.3 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. 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 164.3 kB or 76% of the original size.
Potential reduce by 182.1 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. Obviously, Ct needs image optimization as it can save up to 182.1 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 15.0 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 15.0 kB or 15% of the original size.
Potential reduce by 183 B
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. Ct.cz has all CSS files already compressed.
Number of requests can be reduced by 23 (32%)
73
50
The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ct. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.
ct.cz
422 ms
televize
789 ms
index.less
782 ms
index.js
133 ms
launch-EN01534af7e30646e8b078ac64dc75500b.min.js
63 ms
jquery.min.js
45 ms
-a74537.js
1151 ms
modifications.min.js
261 ms
AppMeasurement.min.js
32 ms
AppMeasurement_Module_ActivityMap.min.js
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gtm.js
134 ms
actions.js
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persoo.js
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workflow.js
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ncas-init.js
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persooAutocomplete.js
51 ms
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televize
1078 ms
workflow.js
349 ms
fbevents.js
128 ms
rc.js
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analytics.js
148 ms
uwt.js
266 ms
insight.min.js
477 ms
conversion_async.js
233 ms
events.js
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activityi;src=9740134;type=rmkta0;cat=o2cz_0;ord=3188040397176;gtm=2wg9l0;auiddc=1510100034.1664209246;u1=https%3A%2F%2Fwww.o2.cz%2Fosobni%2Ftelevize%3Fcid%3Dllo-red-ctcz;~oref=https%3A%2F%2Fwww.o2.cz%2Fosobni%2Ftelevize%3Fcid%3Dllo-red-ctcz
434 ms
1412776058987377
844 ms
RC304d1437ce8b4a6abf22884e95aaa7c6-source.min.js
334 ms
collect
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src=9740134;type=rmkta0;cat=o2cz_0;ord=3188040397176;gtm=2wg9l0;auiddc=1510100034.1664209246;u1=https%3A%2F%2Fwww.o2.cz%2Fosobni%2Ftelevize%3Fcid%3Dllo-red-ctcz;~oref=https%3A%2F%2Fwww.o2.cz%2Fosobni%2Ftelevize%3Fcid%3Dllo-red-ctcz
163 ms
adsct
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adsct
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RC92280204ba334f95b271017092ac91d3-source.min.js
84 ms
94 ms
29 ms
ct.cz accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
Image elements do not have [alt] attributes
ct.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
ct.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ct.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 Ct.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.
ct.cz
Open Graph data is detected on the main page of Ct. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: