4.4 sec in total
719 ms
3.4 sec
281 ms
Welcome to shop.volny.cz homepage info - get ready to check Shop Volny best content for United States right away, or after learning these important things about shop.volny.cz
Centrum.cz je český internetový portál nabízející e-mail, aktuální zpravodajství, počasí a další zajímavé služby.
Visit shop.volny.czWe analyzed Shop.volny.cz page load time and found that the first response time was 719 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
shop.volny.cz performance score
name
value
score
weighting
Value4.3 s
18/100
10%
Value14.9 s
0/100
25%
Value13.5 s
2/100
10%
Value12,430 ms
0/100
30%
Value0.017
100/100
15%
Value22.1 s
1/100
10%
719 ms
1143 ms
347 ms
465 ms
352 ms
Our browser made a total of 107 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Shop.volny.cz, 52% (56 requests) were made to Amplion-static.centrum.cz and 19% (20 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Amplion.centrum.cz.
Page size can be reduced by 437.5 kB (50%)
876.2 kB
438.8 kB
In fact, the total size of Shop.volny.cz main page is 876.2 kB. 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 334.1 kB which makes up the majority of the site volume.
Potential reduce by 154.2 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. This page needs HTML code to be minified as it can gain 71.4 kB, which is 42% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 154.2 kB or 91% of the original size.
Potential reduce by 20.3 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. Shop Volny images are well optimized though.
Potential reduce by 149.6 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 149.6 kB or 64% of the original size.
Potential reduce by 113.3 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. Shop.volny.cz needs all CSS files to be minified and compressed as it can save up to 113.3 kB or 82% of the original size.
Number of requests can be reduced by 53 (50%)
105
52
The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shop Volny. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
shop.volny.cz
719 ms
amplion.centrum.cz
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common.css
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style.css
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shop.volny.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-hidden="true"] elements contain focusable descendents
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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
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.
shop.volny.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
shop.volny.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
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Shop.volny.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 Shop.volny.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.
shop.volny.cz
Open Graph description is not detected on the main page of Shop Volny. 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: