3.7 sec in total
325 ms
2.6 sec
728 ms
Welcome to cviceni-zumba.cz homepage info - get ready to check Cviceni Zumba best content right away, or after learning these important things about cviceni-zumba.cz
Zumba je skvělým sportem pro správné fitness a sportovní výkony. Najděte si svého oblíbeného cvičitele nebo cvičitelku zumby a zkuste sestavu zumby při cvičení. Navštivte naše stránky pro cvičení zumb...
Visit cviceni-zumba.czWe analyzed Cviceni-zumba.cz page load time and found that the first response time was 325 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
cviceni-zumba.cz performance score
name
value
score
weighting
Value5.5 s
6/100
10%
Value6.5 s
8/100
25%
Value9.6 s
11/100
10%
Value2,420 ms
5/100
30%
Value0.032
100/100
15%
Value16.9 s
5/100
10%
325 ms
108 ms
716 ms
214 ms
212 ms
Our browser made a total of 119 requests to load all elements on the main page. We found that 42% of them (50 requests) were addressed to the original Cviceni-zumba.cz, 29% (35 requests) were made to Static.xx.fbcdn.net and 12% (14 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Cviceni-zumba.cz.
Page size can be reduced by 483.7 kB (45%)
1.1 MB
602.8 kB
In fact, the total size of Cviceni-zumba.cz main page is 1.1 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. 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 554.8 kB which makes up the majority of the site volume.
Potential reduce by 35.7 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 6.2 kB, which is 13% 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 35.7 kB or 75% of the original size.
Potential reduce by 97.1 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. Obviously, Cviceni Zumba needs image optimization as it can save up to 97.1 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 138.2 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 138.2 kB or 61% of the original size.
Potential reduce by 212.7 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. Cviceni-zumba.cz needs all CSS files to be minified and compressed as it can save up to 212.7 kB or 83% of the original size.
Number of requests can be reduced by 46 (41%)
112
66
The browser has sent 112 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cviceni Zumba. 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 10 to 1 for CSS and as a result speed up the page load time.
cviceni-zumba.cz
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Default.asp
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zumba.css
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zumba.jpg
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cviceni-zumba.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
<frame> or <iframe> elements do not have a title
cviceni-zumba.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
Browser errors were logged to the console
Page has valid source maps
cviceni-zumba.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 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 Cviceni-zumba.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 Cviceni-zumba.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.
cviceni-zumba.cz
Open Graph description is not detected on the main page of Cviceni Zumba. 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: