8.1 sec in total
368 ms
7 sec
701 ms
Visit vouchery.cz now to see the best up-to-date Vouchery content for Czech Republic and also check out these interesting facts you probably never knew about vouchery.cz
Prohlédněte si aktuální akční letáky a akční ceny v obchodech Lidl, Kaufland, Tesco, Albert, Penny Market, Billa, Globus, Rossmann a dalších.
Visit vouchery.czWe analyzed Vouchery.cz page load time and found that the first response time was 368 ms and then it took 7.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
vouchery.cz performance score
name
value
score
weighting
Value3.4 s
37/100
10%
Value10.3 s
0/100
25%
Value10.1 s
9/100
10%
Value720 ms
41/100
30%
Value0.001
100/100
15%
Value14.1 s
9/100
10%
368 ms
1814 ms
26 ms
31 ms
239 ms
Our browser made a total of 123 requests to load all elements on the main page. We found that 66% of them (81 requests) were addressed to the original Vouchery.cz, 4% (5 requests) were made to Pagead2.googlesyndication.com and 4% (5 requests) were made to Letaky.akcednes.cz. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Vouchery.cz.
Page size can be reduced by 1.1 MB (38%)
2.8 MB
1.8 MB
In fact, the total size of Vouchery.cz main page is 2.8 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. 75% 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. Images take 1.5 MB which makes up the majority of the site volume.
Potential reduce by 139.8 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 139.8 kB or 88% of the original size.
Potential reduce by 131.1 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. Vouchery images are well optimized though.
Potential reduce by 637.2 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 637.2 kB or 63% of the original size.
Potential reduce by 157.1 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. Vouchery.cz needs all CSS files to be minified and compressed as it can save up to 157.1 kB or 83% of the original size.
Number of requests can be reduced by 43 (38%)
114
71
The browser has sent 114 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vouchery. 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 8 to 1 for CSS and as a result speed up the page load time.
vouchery.cz
368 ms
www.vouchery.cz
1814 ms
font-awesome.min.css
26 ms
css
31 ms
uni.css
239 ms
layout.css
245 ms
slider.css
242 ms
jquery-1.6.1.min.js
360 ms
jquery.jcarousel.min.js
254 ms
function.js
330 ms
jquery-ui-1.8.14.custom.min.js
699 ms
superfish.js
462 ms
uni.js
485 ms
nicetitle.js
503 ms
js.js
556 ms
all_js_gen.js
585 ms
jquery-ui-1.8.14.custom.css
1166 ms
lightbox0.5.js
716 ms
jquery.lightbox.css
728 ms
all.css
780 ms
js
39 ms
suggest.js
811 ms
adsbygoogle.js
5 ms
all_js_end_gen.js
846 ms
common.js
50 ms
util.js
50 ms
geocoder.js
51 ms
banner850-B1.jpg
785 ms
popup-shadow.png
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loading.gif
237 ms
logo.png
235 ms
popup-jakfunguje.png
236 ms
popup-step1-scr.png
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close.png
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infowindow.js
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vouchery.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
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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.
vouchery.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
vouchery.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 doesn't use 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 Vouchery.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 Vouchery.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.
vouchery.cz
Open Graph description is not detected on the main page of Vouchery. 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: