4.3 sec in total
714 ms
3 sec
522 ms
Welcome to cnnn.cz homepage info - get ready to check Cnnn best content right away, or after learning these important things about cnnn.cz
O bydlení víme vše.
Visit cnnn.czWe analyzed Cnnn.cz page load time and found that the first response time was 714 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
cnnn.cz performance score
name
value
score
weighting
Value4.0 s
23/100
10%
Value9.5 s
0/100
25%
Value16.6 s
0/100
10%
Value380 ms
70/100
30%
Value0.35
31/100
15%
Value13.2 s
12/100
10%
714 ms
7 ms
236 ms
252 ms
257 ms
Our browser made a total of 82 requests to load all elements on the main page. We found that 61% of them (50 requests) were addressed to the original Cnnn.cz, 12% (10 requests) were made to Static.xx.fbcdn.net and 9% (7 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Cnnn.cz.
Page size can be reduced by 503.9 kB (15%)
3.3 MB
2.8 MB
In fact, the total size of Cnnn.cz main page is 3.3 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 2.9 MB which makes up the majority of the site volume.
Potential reduce by 51.1 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 51.1 kB or 72% of the original size.
Potential reduce by 200.8 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. Cnnn images are well optimized though.
Potential reduce by 171.2 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 171.2 kB or 66% of the original size.
Potential reduce by 80.8 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. Cnnn.cz needs all CSS files to be minified and compressed as it can save up to 80.8 kB or 84% of the original size.
Number of requests can be reduced by 45 (56%)
81
36
The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cnnn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
cnnn.cz
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cnnn.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
cnnn.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
Page has valid source maps
cnnn.cz SEO score
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
Tap targets are not sized appropriately
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cnnn.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 Cnnn.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.
cnnn.cz
Open Graph data is detected on the main page of Cnnn. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: