3.5 sec in total
420 ms
2.8 sec
273 ms
Welcome to gsmcentrum.cz homepage info - get ready to check Gsmcentrum best content for Czech Republic right away, or after learning these important things about gsmcentrum.cz
Elektronický obchod GSMCentrum.CZ v současné době nabízí příslušenství pro GSM telefony, videokamery, digitální fotoaparáty, notebooky, PDA a Navigace.
Visit gsmcentrum.czWe analyzed Gsmcentrum.cz page load time and found that the first response time was 420 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
gsmcentrum.cz performance score
name
value
score
weighting
Value5.8 s
4/100
10%
Value9.7 s
0/100
25%
Value10.2 s
8/100
10%
Value890 ms
32/100
30%
Value0.015
100/100
15%
Value11.5 s
18/100
10%
420 ms
560 ms
313 ms
201 ms
464 ms
Our browser made a total of 59 requests to load all elements on the main page. We found that 61% of them (36 requests) were addressed to the original Gsmcentrum.cz, 8% (5 requests) were made to Pagead2.googlesyndication.com and 8% (5 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (560 ms) belongs to the original domain Gsmcentrum.cz.
Page size can be reduced by 405.9 kB (53%)
761.7 kB
355.8 kB
In fact, the total size of Gsmcentrum.cz main page is 761.7 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. Javascripts take 453.4 kB which makes up the majority of the site volume.
Potential reduce by 28.1 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 28.1 kB or 82% of the original size.
Potential reduce by 21.5 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. Gsmcentrum images are well optimized though.
Potential reduce by 310.7 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 310.7 kB or 69% of the original size.
Potential reduce by 45.6 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. Gsmcentrum.cz needs all CSS files to be minified and compressed as it can save up to 45.6 kB or 79% of the original size.
Number of requests can be reduced by 35 (65%)
54
19
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gsmcentrum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
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gsmcentrum.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
<frame> or <iframe> elements do not have a title
Form elements do not have associated labels
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
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
gsmcentrum.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
gsmcentrum.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
CS
CZ
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gsmcentrum.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed language. Our system also found out that Gsmcentrum.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.
{{og_description}}
gsmcentrum.cz
Open Graph description is not detected on the main page of Gsmcentrum. 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: