5.8 sec in total
499 ms
5 sec
294 ms
Welcome to cdr-shop.cz homepage info - get ready to check CDR Shop best content for Czech Republic right away, or after learning these important things about cdr-shop.cz
CDR-shop.cz - specialista na Verbatim, datová média, spotřební materiál
Visit cdr-shop.czWe analyzed Cdr-shop.cz page load time and found that the first response time was 499 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
cdr-shop.cz performance score
name
value
score
weighting
Value5.1 s
9/100
10%
Value6.7 s
8/100
25%
Value10.6 s
7/100
10%
Value70 ms
99/100
30%
Value0.007
100/100
15%
Value5.8 s
67/100
10%
499 ms
1083 ms
254 ms
255 ms
244 ms
Our browser made a total of 60 requests to load all elements on the main page. We found that 45% of them (27 requests) were addressed to the original Cdr-shop.cz, 37% (22 requests) were made to Obrazky.cdr-shop.cz and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source Obrazky.cdr-shop.cz.
Page size can be reduced by 126.4 kB (40%)
316.7 kB
190.3 kB
In fact, the total size of Cdr-shop.cz main page is 316.7 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. 25% of websites need less resources to load. Images take 161.7 kB which makes up the majority of the site volume.
Potential reduce by 47.2 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 10.7 kB, which is 19% 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 47.2 kB or 83% of the original size.
Potential reduce by 15.6 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. CDR Shop images are well optimized though.
Potential reduce by 41.2 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 41.2 kB or 59% of the original size.
Potential reduce by 22.3 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. Cdr-shop.cz needs all CSS files to be minified and compressed as it can save up to 22.3 kB or 79% of the original size.
Number of requests can be reduced by 17 (30%)
56
39
The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CDR Shop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
cdr-shop.cz
499 ms
www.cdr-shop.cz
1083 ms
cdrs-basic.css
254 ms
cdrs-common.css
255 ms
cdrs-index.css
244 ms
cdrs-pages.css
256 ms
cdrs-show.css
254 ms
datetime.js
383 ms
prefill.js
382 ms
jquery.js
523 ms
app.js
766 ms
urchin.js
18 ms
cookieconsent.latest.min.js
714 ms
online.dll
1264 ms
254663.jpg
1711 ms
body-bg.png
227 ms
zahlavi-bg.jpg
300 ms
logo-cdr-shop.png
346 ms
search.gif
229 ms
hledej.gif
918 ms
menu-kat-a.gif
348 ms
zasilat.gif
390 ms
rostcar.gif
430 ms
kosik.jpg
473 ms
prihlasit.gif
481 ms
kosik.gif
481 ms
pokladna.gif
513 ms
29461.jpg
1701 ms
267805.jpg
1695 ms
19707.jpg
1703 ms
498.jpg
1701 ms
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1722 ms
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1832 ms
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1829 ms
17010.jpg
1832 ms
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1840 ms
4992.jpg
1843 ms
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1849 ms
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1968 ms
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1965 ms
35450.jpg
1975 ms
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1974 ms
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2080 ms
88129.jpg
2105 ms
4407.jpg
2102 ms
3772.jpg
2110 ms
items-background.jpg
508 ms
akce.png
572 ms
kosik.gif
569 ms
gjs.php
423 ms
dot.asp
291 ms
__utm.gif
9 ms
30647-3.png
330 ms
widget.php
120 ms
cdrs-print.css
141 ms
online.gif
311 ms
online2.gif
157 ms
ltweb-bottom.css
242 ms
cdr-shop.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
Form elements do not have associated labels
Links do not have a discernible name
cdr-shop.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
Browser errors were logged to the console
Page has valid source maps
cdr-shop.cz SEO score
CS
CS
ISO-8859-2
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cdr-shop.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 Cdr-shop.cz main page’s claimed encoding is iso-8859-2. 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.
cdr-shop.cz
Open Graph description is not detected on the main page of CDR Shop. 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: