19 sec in total
281 ms
18.1 sec
585 ms
Click here to check amazing Olympic content for Czech Republic. Otherwise, check out these important facts you probably never knew about olympic.cz
Internetové stránky Českého olympijského výboru. Archiv olympiád, databáze všech medailistů a fofo a video archiv.
Visit olympic.czWe analyzed Olympic.cz page load time and found that the first response time was 281 ms and then it took 18.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. This domain responded with an error, which can significantly jeopardize Olympic.cz rating and web reputation
olympic.cz performance score
name
value
score
weighting
Value3.7 s
29/100
10%
Value12.0 s
0/100
25%
Value11.0 s
6/100
10%
Value1,730 ms
10/100
30%
Value0.005
100/100
15%
Value20.7 s
2/100
10%
281 ms
740 ms
263 ms
31 ms
279 ms
Our browser made a total of 151 requests to load all elements on the main page. We found that 91% of them (138 requests) were addressed to the original Olympic.cz, 4% (6 requests) were made to Php.esports.cz and 2% (3 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (8.5 sec) belongs to the original domain Olympic.cz.
Page size can be reduced by 907.9 kB (22%)
4.1 MB
3.2 MB
In fact, the total size of Olympic.cz main page is 4.1 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. 60% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.
Potential reduce by 183.4 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. This page needs HTML code to be minified as it can gain 32.5 kB, which is 14% 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 183.4 kB or 80% of the original size.
Potential reduce by 137.9 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. Olympic images are well optimized though.
Potential reduce by 497.4 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 497.4 kB or 79% of the original size.
Potential reduce by 89.1 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. Olympic.cz needs all CSS files to be minified and compressed as it can save up to 89.1 kB or 82% of the original size.
Number of requests can be reduced by 31 (21%)
148
117
The browser has sent 148 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Olympic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
olympic.cz
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olympic.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.
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 IDs are not unique
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
olympic.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
Page has valid source maps
olympic.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Olympic.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 Olympic.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.
olympic.cz
Open Graph description is not detected on the main page of Olympic. 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: