2.8 sec in total
330 ms
2.3 sec
123 ms
Visit a.cz now to see the best up-to-date A content for Czech Republic and also check out these interesting facts you probably never knew about a.cz
Tradi?n? internetov? obchod, specialista na dom?c? elektro, drogerii, d?lnu, zahradu, kuchy?sk? p??stroje a spot?ebi?e. Kvalita, n?zk? ceny, spl?tkov? prodej.
Visit a.czWe analyzed A.cz page load time and found that the first response time was 330 ms and then it took 2.5 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.
a.cz performance score
name
value
score
weighting
Value9.0 s
0/100
10%
Value9.0 s
1/100
25%
Value13.9 s
1/100
10%
Value5,920 ms
0/100
30%
Value0.004
100/100
15%
Value15.6 s
6/100
10%
330 ms
324 ms
677 ms
424 ms
324 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that all of those requests were addressed to A.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (696 ms) belongs to the original domain A.cz.
Page size can be reduced by 104.9 kB (41%)
253.4 kB
148.5 kB
In fact, the total size of A.cz main page is 253.4 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. 20% of websites need less resources to load. Images take 124.9 kB which makes up the majority of the site volume.
Potential reduce by 18.0 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 18.0 kB or 77% of the original size.
Potential reduce by 12.9 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. A images are well optimized though.
Potential reduce by 47.6 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 47.6 kB or 66% of the original size.
Potential reduce by 26.4 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. A.cz needs all CSS files to be minified and compressed as it can save up to 26.4 kB or 80% of the original size.
Number of requests can be reduced by 17 (37%)
46
29
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of A. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.
a.cz
330 ms
www.a.cz
324 ms
www.a.cz
677 ms
global.css
424 ms
pub.css
324 ms
btn.css
325 ms
uv_new.css
323 ms
m.css
325 ms
jquery-1.4.2.min.js
533 ms
hlogo.png
435 ms
srl.png
436 ms
srp.png
436 ms
b_kategorie.png
436 ms
bkga.gif
154 ms
hlogo_roh.gif
154 ms
ou1.png
155 ms
ou3.png
153 ms
ou4.png
153 ms
srs.png
212 ms
brreg.png
695 ms
bprih.png
694 ms
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693 ms
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695 ms
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696 ms
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694 ms
krohz.png
573 ms
oue_off.png
572 ms
oue_on.png
573 ms
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574 ms
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574 ms
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576 ms
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577 ms
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618 ms
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650 ms
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636 ms
a.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
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 valid value for its [lang] attribute.
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
Image elements do not have [alt] attributes
Links do not have a discernible name
a.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
Page has valid source maps
a.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
N/A
CS
WINDOWS-1250
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise A.cz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Czech. Our system also found out that A.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.
a.cz
Open Graph description is not detected on the main page of A. 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: