3.6 sec in total
396 ms
3 sec
226 ms
Click here to check amazing Wz content for Czech Republic. Otherwise, check out these important facts you probably never knew about wz.cz
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Visit wz.czWe analyzed Wz.cz page load time and found that the first response time was 396 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
wz.cz performance score
name
value
score
weighting
Value3.1 s
45/100
10%
Value7.2 s
5/100
25%
Value7.0 s
33/100
10%
Value3,130 ms
2/100
30%
Value0
100/100
15%
Value8.4 s
39/100
10%
396 ms
314 ms
594 ms
412 ms
314 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Wz.cz, 81% (39 requests) were made to Webzdarma.cz and 6% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (926 ms) relates to the external source Webzdarma.cz.
Page size can be reduced by 483.7 kB (43%)
1.1 MB
647.5 kB
In fact, the total size of Wz.cz main page is 1.1 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. 40% of websites need less resources to load. Images take 475.6 kB which makes up the majority of the site volume.
Potential reduce by 101.0 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 101.0 kB or 80% of the original size.
Potential reduce by 14.4 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. Wz images are well optimized though.
Potential reduce by 283.8 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 283.8 kB or 66% of the original size.
Potential reduce by 84.5 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. Wz.cz needs all CSS files to be minified and compressed as it can save up to 84.5 kB or 86% of the original size.
Number of requests can be reduced by 5 (13%)
39
34
The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
wz.cz
396 ms
www.webzdarma.cz
314 ms
www.webzdarma.cz
594 ms
cssloader-ccbb747a7943.css
412 ms
jsloader-ed288164b937.js
314 ms
api.js
35 ms
jsloader-5f508db784cc.js
846 ms
recaptcha__cs.js
29 ms
logo.png
104 ms
zifa-wz-cz.png
209 ms
kctvm-wz-cz.png
309 ms
arboretum-wz-cz.png
496 ms
vikingove-mysteria-cz.png
538 ms
vycvik-psu-mb-wz-cz.png
538 ms
mortalinstruments-wz-cz.png
496 ms
hunterxhunter-xf-cz.png
495 ms
msckamenice-wz-cz.png
536 ms
relaxaja-wz-cz.png
615 ms
slatinice-webzdarma-cz.png
615 ms
logo-footer.png
537 ms
gopay.png
613 ms
visa.png
617 ms
visa-electron.png
619 ms
mastercard.png
621 ms
mastercard-electronic.png
719 ms
maestro.png
715 ms
verified-by-visa.png
717 ms
mastercard-secure-code.png
720 ms
cssloader-ccbb747a7943.css
926 ms
analytics.js
70 ms
hp-area-blue-shine.png
389 ms
check-1.png
380 ms
check-2.png
382 ms
cross-2.png
386 ms
check-3.png
385 ms
cross-3.png
482 ms
li.png
485 ms
socials.png
487 ms
regular.woff
547 ms
light.woff
539 ms
semibold.woff
732 ms
bold.woff
635 ms
extrabold.woff
744 ms
fbevents.js
178 ms
collect
21 ms
collect
7 ms
collect
55 ms
112 ms
wz.cz accessibility score
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
Image elements do not have [alt] attributes
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.
wz.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
wz.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 Wz.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 Wz.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.
wz.cz
Open Graph description is not detected on the main page of Wz. 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: