3.7 sec in total
428 ms
3 sec
255 ms
Welcome to radar.bourky.cz homepage info - get ready to check Radar Bourky best content for Czech Republic right away, or after learning these important things about radar.bourky.cz
Aktuální radarová data z České radarové sítě CZRAD - www.chmi.cz
Visit radar.bourky.czWe analyzed Radar.bourky.cz page load time and found that the first response time was 428 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
radar.bourky.cz performance score
name
value
score
weighting
Value3.0 s
50/100
10%
Value6.5 s
9/100
25%
Value6.2 s
42/100
10%
Value610 ms
48/100
30%
Value0.002
100/100
15%
Value5.9 s
66/100
10%
428 ms
100 ms
198 ms
200 ms
199 ms
Our browser made a total of 144 requests to load all elements on the main page. We found that 30% of them (43 requests) were addressed to the original Radar.bourky.cz, 33% (48 requests) were made to Maps.wikimedia.org and 13% (19 requests) were made to C.tile.openstreetmap.org. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source A.tile.openstreetmap.org.
Page size can be reduced by 1.1 MB (16%)
6.7 MB
5.7 MB
In fact, the total size of Radar.bourky.cz main page is 6.7 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 5.5 MB which makes up the majority of the site volume.
Potential reduce by 59.1 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 59.1 kB or 87% of the original size.
Potential reduce by 133.3 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. Radar Bourky images are well optimized though.
Potential reduce by 820.5 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 820.5 kB or 73% of the original size.
Potential reduce by 44.4 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. Radar.bourky.cz needs all CSS files to be minified and compressed as it can save up to 44.4 kB or 82% of the original size.
Number of requests can be reduced by 24 (17%)
142
118
The browser has sent 142 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radar Bourky. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
radar.bourky.cz
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openlayers.css
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radar.bourky.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 input fields do not have accessible names
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.
radar.bourky.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
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
radar.bourky.cz SEO score
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
CS
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Radar.bourky.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Radar.bourky.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.
radar.bourky.cz
Open Graph description is not detected on the main page of Radar Bourky. 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: