5.2 sec in total
293 ms
4 sec
819 ms
Welcome to slever.cz homepage info - get ready to check Slever best content for Czech Republic right away, or after learning these important things about slever.cz
Novinky Plavky 2023 Už nyní pro Vás máme nabídku plavek 2023 . Těšit se můžete na dámské plavky. U nás naleznete jak tolik
Visit slever.czWe analyzed Slever.cz page load time and found that the first response time was 293 ms and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
slever.cz performance score
name
value
score
weighting
Value7.0 s
1/100
10%
Value8.7 s
1/100
25%
Value8.8 s
15/100
10%
Value250 ms
84/100
30%
Value0.048
99/100
15%
Value9.2 s
32/100
10%
293 ms
1063 ms
33 ms
77 ms
45 ms
Our browser made a total of 130 requests to load all elements on the main page. We found that 64% of them (83 requests) were addressed to the original Slever.cz, 2% (3 requests) were made to Pixel.prfct.co and 2% (3 requests) were made to Cm.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Slever.cz.
Page size can be reduced by 424.0 kB (25%)
1.7 MB
1.2 MB
In fact, the total size of Slever.cz main page is 1.7 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. 55% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 84.4 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 84.4 kB or 81% of the original size.
Potential reduce by 80.1 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. Slever images are well optimized though.
Potential reduce by 115.0 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 115.0 kB or 56% of the original size.
Potential reduce by 144.5 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. Slever.cz needs all CSS files to be minified and compressed as it can save up to 144.5 kB or 78% of the original size.
Number of requests can be reduced by 47 (38%)
123
76
The browser has sent 123 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Slever. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
slever.cz
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slever.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
Document doesn't have a <title> element
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
slever.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
Page has valid source maps
slever.cz SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Document doesn't have a <title> element
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 Slever.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 Slever.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.
slever.cz
Open Graph description is not detected on the main page of Slever. 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: