5.1 sec in total
468 ms
4.1 sec
549 ms
Visit proving.cz now to see the best up-to-date PROVING content and also check out these interesting facts you probably never knew about proving.cz
Visit proving.czWe analyzed Proving.cz page load time and found that the first response time was 468 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
proving.cz performance score
name
value
score
weighting
Value2.1 s
80/100
10%
Value4.7 s
33/100
25%
Value3.3 s
90/100
10%
Value50 ms
100/100
30%
Value0
100/100
15%
Value2.6 s
98/100
10%
468 ms
1320 ms
447 ms
225 ms
338 ms
Our browser made a total of 20 requests to load all elements on the main page. We found that 85% of them (17 requests) were addressed to the original Proving.cz, 10% (2 requests) were made to Google-analytics.com and 5% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Proving.cz.
Page size can be reduced by 243.1 kB (27%)
894.5 kB
651.4 kB
In fact, the total size of Proving.cz main page is 894.5 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. 20% of websites need less resources to load. Images take 574.5 kB which makes up the majority of the site volume.
Potential reduce by 6.5 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 2.1 kB, which is 23% 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 6.5 kB or 70% of the original size.
Potential reduce by 15.1 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. PROVING images are well optimized though.
Potential reduce by 53.4 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 53.4 kB or 46% of the original size.
Potential reduce by 168.1 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. Proving.cz needs all CSS files to be minified and compressed as it can save up to 168.1 kB or 86% of the original size.
We found no issues to fix!
19
19
The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PROVING. According to our analytics all requests are already optimized.
proving.cz
468 ms
style.css
1320 ms
ionicons.min.css
447 ms
lightbox.css
225 ms
provinglogo.png
338 ms
jquery.min.js
78 ms
bootstrap.min.js
567 ms
analytics.js
76 ms
lechotice-2.jpg
1276 ms
close.png
123 ms
loading.gif
242 ms
prev.png
123 ms
next.png
119 ms
stavebni-cinnost.jpg
1268 ms
projektova-cinnost.jpg
1369 ms
zamecnicka-cinnost.jpg
339 ms
autodoprava.jpg
1331 ms
prodejna-barvy-laky.jpg
2394 ms
ionicons.ttf
836 ms
collect
24 ms
proving.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
Image elements do not have [alt] attributes
proving.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
proving.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
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Proving.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 Proving.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.
proving.cz
Open Graph description is not detected on the main page of PROVING. 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: