3.3 sec in total
328 ms
2.8 sec
106 ms
Welcome to cdi.cz homepage info - get ready to check CDI best content for Russia right away, or after learning these important things about cdi.cz
CDI.CZ, s.r.o. se zabývá tvorbou software na zakázku a webových stránek. Dále nabízí servis hardware a pro své klienty nabízí kvalitní hosting.
Visit cdi.czWe analyzed Cdi.cz page load time and found that the first response time was 328 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
cdi.cz performance score
name
value
score
weighting
Value9.6 s
0/100
10%
Value11.2 s
0/100
25%
Value12.3 s
3/100
10%
Value330 ms
75/100
30%
Value0
100/100
15%
Value13.1 s
12/100
10%
328 ms
671 ms
42 ms
98 ms
32 ms
Our browser made a total of 69 requests to load all elements on the main page. We found that 84% of them (58 requests) were addressed to the original Cdi.cz, 7% (5 requests) were made to Googletagmanager.com and 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (671 ms) belongs to the original domain Cdi.cz.
Page size can be reduced by 333.2 kB (33%)
1.0 MB
684.5 kB
In fact, the total size of Cdi.cz main page is 1.0 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 583.5 kB which makes up the majority of the site volume.
Potential reduce by 13.5 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 13.5 kB or 77% of the original size.
Potential reduce by 190.1 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, CDI needs image optimization as it can save up to 190.1 kB or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 128.5 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 128.5 kB or 31% of the original size.
Potential reduce by 1.1 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. Cdi.cz needs all CSS files to be minified and compressed as it can save up to 1.1 kB or 16% of the original size.
Number of requests can be reduced by 50 (75%)
67
17
The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CDI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 51 to 1 for JavaScripts and as a result speed up the page load time.
cdi.cz
328 ms
www.cdi.cz
671 ms
uc.js
42 ms
global.css
98 ms
font-awesome.min.css
32 ms
common.js
193 ms
events.js
296 ms
domready.js
296 ms
jquery-1.6.2.min.js
398 ms
jquery-ui-1.8.16.custom.min.js
508 ms
jquery.lightbox-0.5.min.js
296 ms
accordion.js
296 ms
lightbox.js
379 ms
jquery.jcarousel.min.js
381 ms
index.php.js
380 ms
tiny_mce.js
588 ms
jquery.lightbox-0.5.css
474 ms
js
61 ms
gtm.js
39 ms
js
57 ms
prototype.js
208 ms
scriptaculous.js
97 ms
ajax.js
97 ms
effects.js
100 ms
en.js
99 ms
editor_template.js
99 ms
editor_plugin.js
96 ms
editor_plugin.js
96 ms
editor_plugin.js
98 ms
editor_plugin.js
100 ms
editor_plugin.js
192 ms
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191 ms
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192 ms
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191 ms
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193 ms
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192 ms
editor_plugin.js
287 ms
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286 ms
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286 ms
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288 ms
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286 ms
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382 ms
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381 ms
editor_plugin.js
382 ms
editor_plugin.js
483 ms
editor_plugin.js
476 ms
editor_plugin.js
476 ms
en.js
382 ms
js
46 ms
shadow.jpg
97 ms
header_home.png
380 ms
bookmark_header.png
98 ms
menu.png
98 ms
icon_navigation_home.png
99 ms
software2.png
190 ms
webdesign.png
192 ms
hardware2.png
286 ms
marketing2.png
286 ms
ondrej.png
473 ms
footer-banners.png
287 ms
ga.js
33 ms
js
58 ms
analytics.js
40 ms
__utm.gif
20 ms
collect
46 ms
cdi.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
Links do not have a discernible name
cdi.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
General
Impact
Issue
Detected JavaScript libraries
cdi.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 Cdi.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 Cdi.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.
cdi.cz
Open Graph description is not detected on the main page of CDI. 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: