6.3 sec in total
1.1 sec
5 sec
209 ms
Visit csj.cz now to see the best up-to-date Csj content and also check out these interesting facts you probably never knew about csj.cz
Visit csj.czWe analyzed Csj.cz page load time and found that the first response time was 1.1 sec and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
csj.cz performance score
name
value
score
weighting
Value2.6 s
65/100
10%
Value3.0 s
79/100
25%
Value3.7 s
86/100
10%
Value0 ms
100/100
30%
Value0.001
100/100
15%
Value3.0 s
96/100
10%
1066 ms
226 ms
233 ms
236 ms
239 ms
Our browser made a total of 75 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Csj.cz, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Api.html5media.info. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Csq.cz.
Page size can be reduced by 853.0 kB (55%)
1.6 MB
700.8 kB
In fact, the total size of Csj.cz main page is 1.6 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 709.0 kB which makes up the majority of the site volume.
Potential reduce by 58.7 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 27.1 kB, which is 40% 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 58.7 kB or 87% of the original size.
Potential reduce by 239.0 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. Obviously, Csj needs image optimization as it can save up to 239.0 kB or 34% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 449.0 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 449.0 kB or 70% of the original size.
Potential reduce by 106.2 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. Csj.cz needs all CSS files to be minified and compressed as it can save up to 106.2 kB or 77% of the original size.
Number of requests can be reduced by 38 (51%)
74
36
The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Csj. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
www.csq.cz
1066 ms
jquery.bxslider.css
226 ms
stylesheet_3e575b2a69.css
233 ms
styly_zaklad.css
236 ms
styly.css
239 ms
styly_login.css
237 ms
gray.min.css
237 ms
styly_responsive.css
457 ms
jquery.min.js
591 ms
jquery.bxslider.min.js
466 ms
jquery.gray.min.js
467 ms
jquery.noconflict.js
468 ms
mootools-core-default.js
589 ms
mootools-more-default.js
940 ms
fallback_placeholder.js
697 ms
main.js
697 ms
Locale.en-US.DatePicker.js
701 ms
Locale.cs-CZ.DatePicker.js
818 ms
Picker.js
819 ms
Picker.Attach.js
927 ms
Picker.Date.js
926 ms
mBoxCore.css
996 ms
mBoxModal.css
1051 ms
mBoxNotice.css
1055 ms
mBoxTooltip.css
1161 ms
01datepicker_init.js
1163 ms
01mBox.All.min.js
1161 ms
02edit_cart.js.js
1168 ms
03shopCart_main.js
1281 ms
04customer.js
1288 ms
jsbn.js
1394 ms
prng4.js
1390 ms
rng.js
1395 ms
rsa.js
1400 ms
base64.js
1517 ms
FrontendLoginFormRsaEncryption.min.js
1523 ms
html5media.min.js
57 ms
logo2.png
134 ms
lupa.png
234 ms
lavka_leto_660x200a.png
854 ms
SYMA_2016_Staticky_660x170_pix.png
353 ms
01_01.jpg
237 ms
02.jpg
355 ms
03.jpg
467 ms
06.jpg
580 ms
05.jpg
583 ms
07.jpg
697 ms
04.jpg
709 ms
08.jpg
818 ms
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924 ms
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938 ms
11.jpg
1044 ms
12.jpg
1046 ms
nkp_png.png
1039 ms
SOK190x100_white_c_png.png
1084 ms
Charvat190x100_white_c_png.png
1174 ms
SSK190x100_white_c_png.png
1168 ms
TPConsulting190x100_white_c_png.png
1273 ms
Rossmann190x100_white_c_png.png
1280 ms
EFTUL.jpg
1279 ms
vosa.png
1316 ms
omegadesign_print.png
1400 ms
omegadesign.png
1401 ms
gtm.js
79 ms
linka.png
1491 ms
logo-csj.jpg
1495 ms
login-panacek.png
1496 ms
kosik_small.png
1529 ms
pozadi-h2.png
1617 ms
zapati_kridlice_mapa.png
1724 ms
6a03e921-ffe9-4e8b-a236-aa49e28ae639.js
39 ms
bx_loader.gif
1659 ms
analytics.js
8 ms
collect
13 ms
styly_tisk.css
121 ms
csj.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.
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
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
csj.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
csj.cz SEO score
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
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Csj.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 Csj.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.
csj.cz
Open Graph description is not detected on the main page of Csj. 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: