2.8 sec in total
481 ms
2 sec
340 ms
Visit tanecni-skola.cz now to see the best up-to-date Tanecni Skola content for Czech Republic and also check out these interesting facts you probably never knew about tanecni-skola.cz
Zábavné taneční kurzy Praha pořádáme pro dospělé i mládež. Kurzy tance jsou určeny pro všechny - jak pro začátečníky, tak pro pokročilé.
Visit tanecni-skola.czWe analyzed Tanecni-skola.cz page load time and found that the first response time was 481 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
tanecni-skola.cz performance score
name
value
score
weighting
Value11.6 s
0/100
10%
Value13.8 s
0/100
25%
Value17.6 s
0/100
10%
Value360 ms
71/100
30%
Value0.099
90/100
15%
Value18.2 s
3/100
10%
481 ms
186 ms
395 ms
288 ms
10 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that 25% of them (13 requests) were addressed to the original Tanecni-skola.cz, 38% (20 requests) were made to Static.xx.fbcdn.net and 28% (15 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Tanecni-skola.cz.
Page size can be reduced by 136.3 kB (17%)
800.9 kB
664.6 kB
In fact, the total size of Tanecni-skola.cz main page is 800.9 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. 35% of websites need less resources to load. Images take 603.7 kB which makes up the majority of the site volume.
Potential reduce by 14.9 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 14.9 kB or 74% of the original size.
Potential reduce by 8.4 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. Tanecni Skola images are well optimized though.
Potential reduce by 106.5 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 106.5 kB or 63% of the original size.
Potential reduce by 6.5 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. Tanecni-skola.cz needs all CSS files to be minified and compressed as it can save up to 6.5 kB or 81% of the original size.
Number of requests can be reduced by 27 (52%)
52
25
The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tanecni Skola. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
tanecni-skola.cz
481 ms
styly.css
186 ms
jquery-1.10.1.min.js
395 ms
jquery.fancybox.pack.js
288 ms
analytics.js
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pozadi2.gif
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logo.png
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lightbox.jpg
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likebox.php
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tanecni-skola.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
tanecni-skola.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
tanecni-skola.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
WINDOWS-1250
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tanecni-skola.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 Tanecni-skola.cz main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
tanecni-skola.cz
Open Graph description is not detected on the main page of Tanecni Skola. 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: