4.4 sec in total
359 ms
3.7 sec
352 ms
Visit device.cz now to see the best up-to-date Device content for Austria and also check out these interesting facts you probably never knew about device.cz
Repasovaná výpočetní technika od profesionálů Profesionálně repasované, použité, levné počítače, notebooky, tiskárny, monitory, mobilní telefony a tablety. Profesionální produktové řady renomovaných v...
Visit device.czWe analyzed Device.cz page load time and found that the first response time was 359 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
device.cz performance score
name
value
score
weighting
Value3.3 s
41/100
10%
Value9.3 s
1/100
25%
Value26.5 s
0/100
10%
Value1,270 ms
19/100
30%
Value0.149
76/100
15%
Value35.0 s
0/100
10%
359 ms
1003 ms
248 ms
21 ms
241 ms
Our browser made a total of 77 requests to load all elements on the main page. We found that 69% of them (53 requests) were addressed to the original Device.cz, 3% (2 requests) were made to Heureka.cz and 3% (2 requests) were made to Smartsupp-widget-161959.c.cdn77.org. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Device.cz.
Page size can be reduced by 1.1 MB (44%)
2.4 MB
1.4 MB
In fact, the total size of Device.cz main page is 2.4 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 1.1 MB which makes up the majority of the site volume.
Potential reduce by 52.3 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 12.0 kB, which is 18% 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 52.3 kB or 80% of the original size.
Potential reduce by 96.4 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. Device images are well optimized though.
Potential reduce by 663.5 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 663.5 kB or 68% of the original size.
Potential reduce by 249.5 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. Device.cz needs all CSS files to be minified and compressed as it can save up to 249.5 kB or 87% of the original size.
Number of requests can be reduced by 30 (41%)
74
44
The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Device. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
device.cz
359 ms
www.device.cz
1003 ms
oxid_layout.css
248 ms
jquery-ui.css
21 ms
misc.css
241 ms
modules.css
265 ms
load.sumome.com
329 ms
jquery.min.js
370 ms
jquery-ui.min.js
497 ms
multiplechoice.js
296 ms
rotator.js
367 ms
oxid.js
368 ms
conversion.js
14 ms
dc.js
72 ms
loader.js
822 ms
body_bkg.png
126 ms
banner.jpg
125 ms
logo.png
310 ms
control_item_bkg.png
204 ms
buttons.png
205 ms
cz.gif
269 ms
control_divider.png
267 ms
topmenu_divider_vertical.png
321 ms
topmenu2_bkg.png
321 ms
topmenu_divider.png
331 ms
topmenu_bkg_vertical.png
366 ms
eshop%20banner.jpg
1215 ms
Baner_980x480%20px6(1).jpg
1020 ms
Baner_980x480%20px9.jpg
915 ms
Baner_980x480%20px12.jpg
1031 ms
Baner_MacBook_980x280px(1).jpg
691 ms
powerbank%20banner(1).png
1086 ms
header2_bkg_start.png
816 ms
rss.png
935 ms
product_frame.png
1037 ms
251245-lenovo-thinkpad-x220-angle_th.jpg
1056 ms
buttons_hr.png
1138 ms
x230_stock_th.jpg
1151 ms
product_frame_right.png
1156 ms
item_360_th.jpg
1179 ms
apek_asociace.jpg
1208 ms
MS_rgb_Authorized-Refurb_Blk.png
1256 ms
Blancco%20Gold%20Partner%20logo.jpg
1269 ms
TUV%204in1%20logo1.jpg
1276 ms
KTP_logo_CZ__02.png
1298 ms
banery_clenove-PREMIUM_FA_velky_orez.jpg
1327 ms
gjs.php
316 ms
L.js
233 ms
ZELENA%20FIRMA.png
1301 ms
__utm.gif
17 ms
powerbank_cmsico.jpg
1302 ms
arrows.png
1308 ms
zdarma_cmsico.png
1308 ms
sims_device_eshop_980x315px_cmsico.jpg
1303 ms
32x32_facebook.png
1334 ms
32x32_twitter.png
1260 ms
32x32_googleplus.png
1298 ms
51 ms
280 ms
32x32_linkedin.png
1269 ms
carrows.png
1268 ms
bullets.png
1311 ms
68 ms
widget.php
116 ms
service.js
10 ms
sme-popup.css
55 ms
load
167 ms
css
23 ms
smartchat-2.1.1.min.css
90 ms
smartchat-2.1.1.min.js
140 ms
bootstrap.php
233 ms
bundle.js
472 ms
analytics.js
43 ms
oxid_print.css
121 ms
info
343 ms
info
358 ms
left-zalozka-only.png
318 ms
device.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 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
Form elements do not have associated labels
Links do not have a discernible name
device.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
Browser errors were logged to the console
Page has valid source maps
device.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
Tap targets are not sized appropriately
CS
CZ
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Device.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed language. Our system also found out that Device.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.
device.cz
Open Graph description is not detected on the main page of Device. 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: