4.5 sec in total
768 ms
3.2 sec
466 ms
Welcome to prekon.cz homepage info - get ready to check Prekon best content for Czech Republic right away, or after learning these important things about prekon.cz
Zpravodajský portál o průmyslu a pro PRŮMYSL 4.0, internet věcí a M2M. Zprávy, články, nové produkty, inovace, analýzy, komentáře. Monitoring a distribuce zpráv.
Visit prekon.czWe analyzed Prekon.cz page load time and found that the first response time was 768 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
prekon.cz performance score
name
value
score
weighting
Value4.6 s
14/100
10%
Value6.7 s
8/100
25%
Value12.9 s
2/100
10%
Value7,570 ms
0/100
30%
Value0.001
100/100
15%
Value19.2 s
2/100
10%
768 ms
317 ms
423 ms
318 ms
569 ms
Our browser made a total of 83 requests to load all elements on the main page. We found that 45% of them (37 requests) were addressed to the original Prekon.cz, 10% (8 requests) were made to W.sharethis.com and 7% (6 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Prekon.cz.
Page size can be reduced by 489.2 kB (36%)
1.4 MB
881.5 kB
In fact, the total size of Prekon.cz main page is 1.4 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. 55% of websites need less resources to load. Images take 686.9 kB which makes up the majority of the site volume.
Potential reduce by 28.5 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 28.5 kB or 74% of the original size.
Potential reduce by 30.3 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. Prekon images are well optimized though.
Potential reduce by 382.5 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 382.5 kB or 65% of the original size.
Potential reduce by 47.9 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. Prekon.cz needs all CSS files to be minified and compressed as it can save up to 47.9 kB or 82% of the original size.
Number of requests can be reduced by 34 (43%)
80
46
The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prekon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
prekon.cz
768 ms
prekonstyles.css
317 ms
basic.css
423 ms
grid.css
318 ms
jquery.cycle2.js
569 ms
jquery.min.js
31 ms
cookieconsent.min.js
17 ms
adsbygoogle.js
4 ms
jquery.js
431 ms
html5lightbox.js
317 ms
buttons.js
9 ms
europages.png
1908 ms
958 ms
bgpr.png
134 ms
logicko1.png
133 ms
home.png
133 ms
iot_ilu.jpg
549 ms
tram_inekon_washington.jpg
1984 ms
alukov_zastreseni_lodi.jpg
636 ms
IoT_Accenture.jpg
343 ms
tetris_manuel_perez.jpg
356 ms
zetor_il.jpg
367 ms
zetor_il2.jpg
549 ms
emirates_nova_sedadla_b_class.jpg
567 ms
jll_Harry_Bannatyne.jpg
484 ms
prumysl_4_0.jpg
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newton_tr.png
633 ms
ano_tr.png
640 ms
cms_sep.png
673 ms
prekon_gr_w.png
689 ms
footer-twitter.png
739 ms
footer-rss.png
740 ms
webarchiv_transparent.png
746 ms
prekon_qr.png
779 ms
pocasi.png
2024 ms
soc_site.png
2246 ms
seznam.png
2113 ms
analytics.js
24 ms
black_50_pr.png
789 ms
sipka_r.png
839 ms
ca-pub-6252362830936573.js
42 ms
zrt_lookup.html
32 ms
show_ads_impl.js
48 ms
collect
28 ms
88x31.png
75 ms
ads
313 ms
osd.js
3 ms
css
47 ms
getAllAppDefault.esi
221 ms
next.png
519 ms
prev.png
528 ms
close.png
553 ms
15735659847296030969
31 ms
abg.js
35 ms
m_js_controller.js
46 ms
googlelogo_color_112x36dp.png
24 ms
x_button_blue2.png
5 ms
s
27 ms
fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js
2 ms
getSegment.php
153 ms
checkOAuth.esi
63 ms
t.dhj
56 ms
t.dhj
42 ms
cm
35 ms
s-3271.xgi
10 ms
hbpix
27 ms
9 ms
pixel
35 ms
xrefid.xgi
6 ms
10 ms
2981
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activeview
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index.2d85e55d89f85ae69e4f2ca5ab9438b7.html
19 ms
buttons.ab966a004186897711de4a5ed256c924.css
14 ms
stcommon.2b05accc08f1ee42fe1983647ab923ea.js
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st.1188278743c14064d5e8ae56c8ada29c.js
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facebook_32.png
12 ms
twitter_32.png
12 ms
googleplus_32.png
13 ms
sharethis_32.png
14 ms
dark-bottom.css
10 ms
ui
26 ms
logo.png
17 ms
prekon.cz accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
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
<frame> or <iframe> elements do not have a title
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
prekon.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
prekon.cz SEO score
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Prekon.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Prekon.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.
prekon.cz
Open Graph description is not detected on the main page of Prekon. 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: