10.5 sec in total
593 ms
8 sec
1.9 sec
Click here to check amazing Docernobylu content. Otherwise, check out these important facts you probably never knew about docernobylu.cz
Zájezd do Černobylu a černobylská exkurze s českým výkladem. Prozkoumejte s námi Černobyl, Černobylskou zónu, Černobylskou elektrárnu nebo město duchů Pripjať!
Visit docernobylu.czWe analyzed Docernobylu.cz page load time and found that the first response time was 593 ms and then it took 9.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
docernobylu.cz performance score
name
value
score
weighting
Value8.3 s
0/100
10%
Value8.4 s
2/100
25%
Value21.2 s
0/100
10%
Value11,580 ms
0/100
30%
Value0.091
92/100
15%
Value22.9 s
1/100
10%
593 ms
140 ms
242 ms
117 ms
631 ms
Our browser made a total of 111 requests to load all elements on the main page. We found that 75% of them (83 requests) were addressed to the original Docernobylu.cz, 16% (18 requests) were made to Fonts.gstatic.com and 5% (5 requests) were made to S.w.org. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Docernobylu.cz.
Page size can be reduced by 145.7 kB (13%)
1.2 MB
1.0 MB
In fact, the total size of Docernobylu.cz main page is 1.2 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. Images take 754.5 kB which makes up the majority of the site volume.
Potential reduce by 133.9 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 133.9 kB or 84% of the original size.
Potential reduce by 0 B
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. Docernobylu images are well optimized though.
Potential reduce by 2.9 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. This website has mostly compressed JavaScripts.
Potential reduce by 8.9 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. Docernobylu.cz has all CSS files already compressed.
Number of requests can be reduced by 36 (41%)
88
52
The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Docernobylu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
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docernobylu.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.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
docernobylu.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
docernobylu.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Docernobylu.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 Docernobylu.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.
docernobylu.cz
Open Graph data is detected on the main page of Docernobylu. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: