7.3 sec in total
984 ms
6.1 sec
231 ms
Click here to check amazing Sw Centrum content for Czech Republic. Otherwise, check out these important facts you probably never knew about sw.centrum.cz
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Visit sw.centrum.czWe analyzed Sw.centrum.cz page load time and found that the first response time was 984 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
sw.centrum.cz performance score
name
value
score
weighting
Value0.7 s
100/100
10%
Value0.7 s
100/100
25%
Value0.7 s
100/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value0.7 s
100/100
10%
984 ms
1357 ms
933 ms
214 ms
417 ms
Our browser made a total of 120 requests to load all elements on the main page. We found that 65% of them (78 requests) were addressed to the original Sw.centrum.cz, 8% (10 requests) were made to Static.xx.fbcdn.net and 6% (7 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Sw.centrum.cz.
Page size can be reduced by 1.0 MB (61%)
1.7 MB
647.1 kB
In fact, the total size of Sw.centrum.cz main page is 1.7 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. 40% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 78.5 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. This page needs HTML code to be minified as it can gain 19.0 kB, which is 20% 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 78.5 kB or 83% of the original size.
Potential reduce by 25.5 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. Sw Centrum images are well optimized though.
Potential reduce by 790.7 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 790.7 kB or 72% of the original size.
Potential reduce by 130.1 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. Sw.centrum.cz needs all CSS files to be minified and compressed as it can save up to 130.1 kB or 83% of the original size.
Number of requests can be reduced by 65 (57%)
115
50
The browser has sent 115 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sw Centrum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
sw.centrum.cz
984 ms
www.sw.centrum.cz
1357 ms
prototype.js
933 ms
scriptaculous.js
214 ms
chosen.proto.js
417 ms
protoshow.js
316 ms
sessvars.js
215 ms
cookie.js
413 ms
jquery-1.11.2.min.js
958 ms
jsbanner.js
530 ms
chosen.css
717 ms
sw-fw.css
713 ms
screen.css
1128 ms
order.css
838 ms
protoshow.css
927 ms
rcart.css
922 ms
new-search.css
1051 ms
easydropdown.css
1127 ms
jsbanner.css
1131 ms
mustache.min.js
1138 ms
sw-fw.js
1151 ms
sw20.js
1464 ms
menu.css
226 ms
landingpage.css
1240 ms
ga-async.js
115 ms
retargeting.js
335 ms
builder.js
383 ms
effects.js
585 ms
dragdrop.js
600 ms
controls.js
624 ms
slider.js
580 ms
sound.js
587 ms
sashec.bundle.min.js
336 ms
satelliteLib-a003dc427fcbca9cbed6b1243422062657b2a85b.js
134 ms
satellite-5492f71b3736320015eb0700.js
46 ms
loader.js
609 ms
page.gif
524 ms
main.gif
206 ms
header.png
307 ms
sw-cz.gif
209 ms
nsinput.png
211 ms
nsbuttonh.png
213 ms
nsbutton.png
411 ms
sk.png
414 ms
czh.png
415 ms
banner.php
665 ms
banner.php
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banner.php
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m0-magazin-1.gif
1427 ms
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1462 ms
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cart-small.png
1528 ms
hot-top.gif
1588 ms
gjs.php
327 ms
xgemius.js
290 ms
ga.js
41 ms
bigfoot.js
114 ms
retargeting
122 ms
satellite-5564b2623064311a48640300.js
75 ms
likebox.php
89 ms
__utm.gif
15 ms
uuid.js
225 ms
collect
79 ms
xYm_UD1pmAz.css
172 ms
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x5F9OMjKyLw.js
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tip-top.gif
1445 ms
hot-top-star.gif
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arrow-r-g.gif
1539 ms
hot-top-new.gif
1540 ms
ga-audiences
43 ms
komponenty.png
1482 ms
fpdata.js
119 ms
lsget.html
251 ms
widget.php
119 ms
column-block.gif
1441 ms
ico-info.gif
1442 ms
m11-1.gif
1475 ms
m11-11x.gif
1448 ms
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212 ms
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250 ms
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297 ms
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332 ms
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47 ms
s7jcwEQH7Sx.png
47 ms
smartchat-2.1.1.min.css
239 ms
smartchat-2.1.1.min.js
454 ms
bootstrap2.php
707 ms
m11-0.gif
1343 ms
sw_footbox_cd.gif
1436 ms
sw_footbox_logo.png
1399 ms
rexdot.js
98 ms
menux.gif
1351 ms
I6-MnjEovm5.js
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80 ms
sw.centrum.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
sw.centrum.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Browser errors were logged to the console
sw.centrum.cz SEO score
EN
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sw.centrum.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Czech language. Our system also found out that Sw.centrum.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.
sw.centrum.cz
Open Graph description is not detected on the main page of Sw Centrum. 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: