3.6 sec in total
326 ms
2.9 sec
327 ms
Visit mp3centrum.cz now to see the best up-to-date MP3centrum content and also check out these interesting facts you probably never knew about mp3centrum.cz
Internetový obchod s mp3 přehrávači, sluchátky, navigacemi a domácími roboty.
Visit mp3centrum.czWe analyzed Mp3centrum.cz page load time and found that the first response time was 326 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
mp3centrum.cz performance score
name
value
score
weighting
Value3.5 s
33/100
10%
Value5.4 s
20/100
25%
Value7.7 s
24/100
10%
Value1,330 ms
17/100
30%
Value0.396
25/100
15%
Value12.9 s
13/100
10%
326 ms
1011 ms
664 ms
557 ms
220 ms
Our browser made a total of 66 requests to load all elements on the main page. We found that 91% of them (60 requests) were addressed to the original Mp3centrum.cz, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Mp3centrum.cz.
Page size can be reduced by 928.3 kB (61%)
1.5 MB
592.9 kB
In fact, the total size of Mp3centrum.cz main page is 1.5 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. 40% of websites need less resources to load. Javascripts take 570.4 kB which makes up the majority of the site volume.
Potential reduce by 115.5 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 29.5 kB, which is 22% 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 115.5 kB or 87% of the original size.
Potential reduce by 38.5 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. MP3centrum images are well optimized though.
Potential reduce by 433.0 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 433.0 kB or 76% of the original size.
Potential reduce by 341.3 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. Mp3centrum.cz needs all CSS files to be minified and compressed as it can save up to 341.3 kB or 91% of the original size.
Number of requests can be reduced by 25 (41%)
61
36
The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of MP3centrum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and as a result speed up the page load time.
mp3centrum.cz
326 ms
www.mp3centrum.cz
1011 ms
b76cfb19bff317ba8809f160ca69ac9b.css
664 ms
prototype.js
557 ms
ccard.js
220 ms
validation.js
328 ms
builder.js
230 ms
effects.js
315 ms
dragdrop.js
438 ms
controls.js
448 ms
slider.js
422 ms
js.js
435 ms
form.js
529 ms
translate.js
544 ms
cookies.js
547 ms
et_currencymanager_round.js
558 ms
jquery-1.7.2.min.js
744 ms
jquery-noconflict.js
652 ms
jquery.owlcarousel.min.js
656 ms
jquery.easing.min.js
711 ms
jquery.accordion.min.js
711 ms
modernizr.custom.min.js
760 ms
matchMedia.js
765 ms
matchMedia.addListener.js
766 ms
enquire.js
771 ms
jquery.tabs.min.js
778 ms
imagesloaded.js
848 ms
app.js
869 ms
css
24 ms
ga.js
34 ms
mp3.png
187 ms
slide01.jpg
338 ms
slide02.jpg
442 ms
slide03.jpg
338 ms
banner01.jpg
191 ms
banner02.jpg
190 ms
banner03.jpg
214 ms
payment.gif
223 ms
link-separator.png
201 ms
ThemeIcons.woff
300 ms
y7lebkjgREBJK96VQi37Zl02b4v3fUxqf9CZJ1qUoIA.ttf
31 ms
__utm.gif
20 ms
collect
133 ms
bullet.png
253 ms
12.png
244 ms
img_1639.jpg
243 ms
img_1637.jpg
253 ms
xbox-360-steelseries-spectrum-5xb.jpg
253 ms
fun-beat-h-295-original.jpg
254 ms
actis_7wt_velka_ikona_1.jpg
369 ms
goclever-3540-original.jpg
350 ms
ajax-loader.gif
363 ms
ftdffuxxe1050_max_0.jpg
362 ms
ftdfpag6we050_max_0.jpg
366 ms
ftdfpagx8x052_max_0.jpg
367 ms
roomba-620.png
559 ms
roomba-650.png
576 ms
roomba-775-1.png
579 ms
ftdffu70xx050_max_0.jpg
474 ms
ftdffu70xx051_max_0.jpg
476 ms
ftdffu70xx052_max_0.jpg
480 ms
ftdffu8xxx049_max_0.jpg
584 ms
ftdffu8xxx050_max_0.jpg
585 ms
ftdffu8xxx051_max_0.jpg
591 ms
ga-audiences
39 ms
ca7c25e98ed0912f89102f77d469b00e.css
108 ms
mp3centrum.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-*] attributes do not match their roles
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
Links do not have a discernible name
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
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.
mp3centrum.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
mp3centrum.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 Mp3centrum.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 Mp3centrum.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.
mp3centrum.cz
Open Graph description is not detected on the main page of MP3centrum. 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: