6.3 sec in total
953 ms
4.5 sec
862 ms
Click here to check amazing CZC content for Czech Republic. Otherwise, check out these important facts you probably never knew about czc.cz
Jeden z největších internetových obchodů s výpočetní technikou a elektronikou. Široká nabídka notebooků, komponent, PC sestav, montáž počítačů.
Visit czc.czWe analyzed Czc.cz page load time and found that the first response time was 953 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
czc.cz performance score
name
value
score
weighting
Value3.4 s
36/100
10%
Value7.9 s
3/100
25%
Value7.8 s
23/100
10%
Value470 ms
61/100
30%
Value0
100/100
15%
Value11.5 s
18/100
10%
953 ms
568 ms
345 ms
583 ms
794 ms
Our browser made a total of 127 requests to load all elements on the main page. We found that 3% of them (4 requests) were addressed to the original Czc.cz, 19% (24 requests) were made to Img1.czc.cz and 18% (23 requests) were made to Ads2.czc.cz. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Ads2.czc.cz.
Page size can be reduced by 363.0 kB (28%)
1.3 MB
951.8 kB
In fact, the total size of Czc.cz main page is 1.3 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. 50% of websites need less resources to load. Images take 874.6 kB which makes up the majority of the site volume.
Potential reduce by 201.7 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 77.9 kB, which is 33% 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 201.7 kB or 86% of the original size.
Potential reduce by 41.5 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. CZC images are well optimized though.
Potential reduce by 119.8 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 119.8 kB or 58% of the original size.
Number of requests can be reduced by 59 (50%)
119
60
The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CZC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and as a result speed up the page load time.
www.czc.cz
953 ms
czcfont.woff
568 ms
actions.js
345 ms
persoo.js
583 ms
common.css
794 ms
dwr.js
566 ms
common.js
1046 ms
opensans-regular-webfont.woff2
596 ms
spc.php
389 ms
ads.js
242 ms
workflow
760 ms
obrazek
260 ms
obrazek
605 ms
obrazek
255 ms
obrazek
541 ms
obrazek
606 ms
obrazek
551 ms
logo.png
253 ms
no-picture.png
251 ms
obrazek
260 ms
obrazek
263 ms
obrazek
606 ms
obrazek
468 ms
obrazek
709 ms
gtm.js
44 ms
back.jpg
210 ms
holder.png
208 ms
sprite-icons.png
208 ms
ga.js
157 ms
obrazek
359 ms
obrazek
308 ms
obrazek
357 ms
obrazek
478 ms
ajax-loader.gif
230 ms
old-browser.png
226 ms
obrazek
228 ms
obrazek
295 ms
obrazek
302 ms
obrazek
468 ms
obrazek
384 ms
obrazek
357 ms
opensans-regular-webfont.woff
206 ms
czcfont.woff
205 ms
obrazek
360 ms
obrazek
418 ms
obrazek
359 ms
obrazek
431 ms
obrazek
433 ms
obrazek
466 ms
conversion_async.js
176 ms
analytics.js
160 ms
459 ms
retargeting.js
455 ms
fbevents.js
171 ms
gjs.php
345 ms
piwik.js
730 ms
watch.js
597 ms
N4D9X-4WD46-Z3TF7-JC9B8-DGH3N
152 ms
1a4ac7c380400e7f0d5a4e4d5ebb67e8.jpg
365 ms
workflow
166 ms
__utm.gif
90 ms
__utm.gif
91 ms
__utm.gif
96 ms
__utm.gif
94 ms
__utm.gif
94 ms
lg.php
248 ms
01470cbcb522ecbdea2bfa9add3b412e.jpg
358 ms
lg.php
251 ms
fd70aaee87c2ce9b23778c050f4af1ab.jpg
483 ms
lg.php
262 ms
6191133193073b1dfbfc802976865f77.jpg
479 ms
lg.php
371 ms
e914b1d81d540ebceb77d0682ae31ece.jpg
605 ms
lg.php
391 ms
26ed29aa06d4ae9f5b138a193245e4c2.jpg
599 ms
lg.php
495 ms
929e92168c5a760e250ff4f8cb82bd4a.gif
518 ms
lg.php
603 ms
75ec6058f90e3612486fde3d13fd995b.jpg
597 ms
lg.php
620 ms
34f5af714be3fd55992a2eeb6d74adb7.jpg
764 ms
lg.php
723 ms
302ce9223c45d3d501a933226ad4f2f6.jpg
714 ms
lg.php
727 ms
6595d65b97deffd367bb970746cc166e.png
1075 ms
lg.php
742 ms
obrazek
280 ms
obrazek
359 ms
obrazek
361 ms
obrazek
367 ms
obrazek
371 ms
obrazek
381 ms
obrazek
389 ms
obrazek
476 ms
activityi;src=4979123;type=1;cat=czc-a0;ord=1925816264702;~oref=http%3A%2F%2Fwww.czc.cz%2F
53 ms
7187.js
51 ms
print.css
135 ms
tags
181 ms
config.js
33 ms
collect
43 ms
collect
94 ms
59 ms
111 ms
69 ms
widget.php
129 ms
41 ms
33 ms
UserMatch.ashx
17 ms
pixel
215 ms
pixel
22 ms
53 ms
RtbHouse
209 ms
match
14 ms
tagging
88 ms
Pug
19 ms
retargeting
114 ms
221 ms
cm
127 ms
sd
28 ms
advert.gif
130 ms
1by1.png
6 ms
tap.php
156 ms
107 ms
customer-tracking.js
212 ms
1
114 ms
crossd_iframe.html
247 ms
left-zalozka-only.png
868 ms
czc.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
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[role]s are not contained by their required parent element
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
List items (<li>) are not contained within <ul> or <ol> parent elements.
czc.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
czc.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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Czc.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 Czc.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.
czc.cz
Open Graph description is not detected on the main page of CZC. 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: