6.3 sec in total
364 ms
5.3 sec
635 ms
Visit zaletsi.cz now to see the best up-to-date Zaletsi content for Czech Republic and also check out these interesting facts you probably never knew about zaletsi.cz
Každodenní tipy na levné letenky do celého světa vám přináší lovci levných letenek ze Zaletsi. Váháte, kde koupit levné letenky? Mrkněte se na Zaletsi.cz
Visit zaletsi.czWe analyzed Zaletsi.cz page load time and found that the first response time was 364 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
zaletsi.cz performance score
name
value
score
weighting
Value2.3 s
74/100
10%
Value10.6 s
0/100
25%
Value9.4 s
12/100
10%
Value4,160 ms
1/100
30%
Value0.077
95/100
15%
Value26.1 s
0/100
10%
364 ms
245 ms
264 ms
265 ms
372 ms
Our browser made a total of 238 requests to load all elements on the main page. We found that 36% of them (86 requests) were addressed to the original Zaletsi.cz, 13% (32 requests) were made to Dovolena.cz and 5% (13 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Zaletsi.cz.
Page size can be reduced by 1.7 MB (52%)
3.3 MB
1.6 MB
In fact, the total size of Zaletsi.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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.6 MB which makes up the majority of the site volume.
Potential reduce by 88.0 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 88.0 kB or 82% of the original size.
Potential reduce by 207.9 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, Zaletsi needs image optimization as it can save up to 207.9 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 1.1 MB
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 1.1 MB or 72% of the original size.
Potential reduce by 285.6 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. Zaletsi.cz needs all CSS files to be minified and compressed as it can save up to 285.6 kB or 80% of the original size.
Number of requests can be reduced by 126 (55%)
228
102
The browser has sent 228 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zaletsi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 64 to 1 for JavaScripts and from 31 to 1 for CSS and as a result speed up the page load time.
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zaletsi.cz accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Form elements do not have associated labels
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
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.
zaletsi.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
Issues were logged in the Issues panel in Chrome Devtools
zaletsi.cz SEO score
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
Tap targets are not sized appropriately
CS
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zaletsi.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech 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 Zaletsi.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.
zaletsi.cz
Open Graph description is not detected on the main page of Zaletsi. 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: