7.8 sec in total
2.3 sec
4.7 sec
786 ms
Visit polar.cz now to see the best up-to-date POLAR content for Czech Republic and also check out these interesting facts you probably never knew about polar.cz
Nepřetržitý proud informací, zpráv a zábavných pořadů z vašeho okolí.
Visit polar.czWe analyzed Polar.cz page load time and found that the first response time was 2.3 sec and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
polar.cz performance score
name
value
score
weighting
Value3.3 s
39/100
10%
Value17.5 s
0/100
25%
Value13.8 s
1/100
10%
Value1,880 ms
9/100
30%
Value0.116
85/100
15%
Value16.9 s
5/100
10%
2322 ms
238 ms
235 ms
243 ms
366 ms
Our browser made a total of 96 requests to load all elements on the main page. We found that 75% of them (72 requests) were addressed to the original Polar.cz, 18% (17 requests) were made to Query.polar.cz and 3% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Polar.cz.
Page size can be reduced by 1.6 MB (40%)
3.9 MB
2.3 MB
In fact, the total size of Polar.cz main page is 3.9 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 2.1 MB which makes up the majority of the site volume.
Potential reduce by 89.2 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 37.8 kB, which is 37% 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 89.2 kB or 88% of the original size.
Potential reduce by 172.7 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. POLAR images are well optimized though.
Potential reduce by 744.5 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 744.5 kB or 74% of the original size.
Potential reduce by 572.5 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. Polar.cz needs all CSS files to be minified and compressed as it can save up to 572.5 kB or 86% of the original size.
Number of requests can be reduced by 44 (48%)
91
47
The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of POLAR. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.
polar.cz
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polar.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
<frame> or <iframe> elements do not have a title
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
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.
polar.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
polar.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
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Polar.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 Polar.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.
polar.cz
Open Graph data is detected on the main page of POLAR. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: