4.3 sec in total
648 ms
2.9 sec
756 ms
Welcome to kolemdvou.cz homepage info - get ready to check Kolemdvou best content for Czech Republic right away, or after learning these important things about kolemdvou.cz
Visit kolemdvou.czWe analyzed Kolemdvou.cz page load time and found that the first response time was 648 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.
kolemdvou.cz performance score
name
value
score
weighting
Value2.8 s
58/100
10%
Value5.5 s
20/100
25%
Value9.2 s
13/100
10%
Value1,640 ms
12/100
30%
Value0.173
70/100
15%
Value11.8 s
17/100
10%
648 ms
632 ms
533 ms
531 ms
735 ms
Our browser made a total of 91 requests to load all elements on the main page. We found that 30% of them (27 requests) were addressed to the original Kolemdvou.cz, 20% (18 requests) were made to Chat.kolemdvou.cz and 12% (11 requests) were made to Ads.fortunaaffiliates.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Chat.kolemdvou.cz.
Page size can be reduced by 191.7 kB (11%)
1.8 MB
1.6 MB
In fact, the total size of Kolemdvou.cz main page is 1.8 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 1.6 MB which makes up the majority of the site volume.
Potential reduce by 41.2 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 8.4 kB, which is 16% 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 41.2 kB or 78% of the original size.
Potential reduce by 36.1 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. Kolemdvou images are well optimized though.
Potential reduce by 92.8 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 92.8 kB or 70% of the original size.
Potential reduce by 21.6 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. Kolemdvou.cz needs all CSS files to be minified and compressed as it can save up to 21.6 kB or 83% of the original size.
Number of requests can be reduced by 26 (30%)
87
61
The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kolemdvou. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.
kolemdvou.cz
648 ms
styles2.css
632 ms
menu_styles.css
533 ms
functions.js
531 ms
jquery.js
735 ms
jquery.form.js
634 ms
jquery.selectboxes.js
534 ms
cookieconsent.latest.min.js
13 ms
ga.js
52 ms
plusone.js
147 ms
logo-kolemdvou-cz.gif
113 ms
ebook-hp.jpg
840 ms
elnino9.jpg
844 ms
count.asp
225 ms
prasator.jpg
635 ms
uselesstoo.jpg
745 ms
michelin8.jpg
640 ms
pavkingson.jpg
639 ms
supergogo.jpg
642 ms
renix.jpg
838 ms
nfl.jpg
846 ms
dexter.jpg
845 ms
marty18.jpg
851 ms
nastradamus.jpg
947 ms
r08.jpg
937 ms
aklevap.jpg
1040 ms
wrestling.gif
949 ms
omerta.jpg
839 ms
mjelk.jpg
847 ms
madrista.png
749 ms
CZ.jpg
138 ms
mods2012.jpg
208 ms
aktualni.jpg
309 ms
mods_stat_month.jpg
327 ms
mods_stat_users.jpg
335 ms
mods_stat_total.jpg
529 ms
mods_stat_vydelky.jpg
723 ms
logo_phpBB.gif
306 ms
nasetipy_88x31.gif
408 ms
uk.gif
215 ms
K2profi_1_hp.jpg
523 ms
k2-mini-start.gif
326 ms
sdk.js
102 ms
client
155 ms
back-top2.gif
395 ms
backSB.jpg
411 ms
page-back-830.gif
422 ms
back-header.gif
492 ms
slogan.gif
496 ms
ystretch.gif
512 ms
show.js.php
223 ms
__utm.gif
15 ms
collect
85 ms
54 ms
cb=gapi.loaded_0
18 ms
controller
128 ms
xd_arbiter.php
78 ms
xd_arbiter.php
133 ms
image.creative.crt.image_1150_0_0.gif
317 ms
image.creative.crt.image_1461_0_0.jpg
527 ms
show.js.php
215 ms
e9a856d4-7467-4500-a71a-fcbd78bb25a1
200 ms
Utils_v9-long.js
11 ms
728x90.gif
26 ms
image.creative.crt.image_1708_0_0.jpg
420 ms
show.js.php
214 ms
image.creative.crt.image_1667_0_0.gif
316 ms
show.js.php
213 ms
image.creative.crt.image_1319_0_0.gif
326 ms
show.js.php
216 ms
back-bottom.gif
108 ms
image.creative.crt.image_1583_0_0.jpg
218 ms
widgets.js
79 ms
count.asp
214 ms
cb=gapi.loaded_1
14 ms
fastbutton
92 ms
postmessageRelay
57 ms
like.php
62 ms
button.831500944bc3eb7ea5276ccdc3f71d2e.js
141 ms
timeline.1b43d11859b7663a2225b885f87704a5.js
168 ms
api.js
33 ms
core:rpc:shindig.random:shindig.sha1.js
89 ms
2536007149-postmessagerelay.js
105 ms
cb=gapi.loaded_0
43 ms
cb=gapi.loaded_1
63 ms
W5F8_SL0XFawnjxHGsZjJA.ttf
113 ms
zXs1Qh79i0Z.js
163 ms
LVx-xkvaJ0b.png
177 ms
follow_button.6a78875565a912489e9aef879c881358.cs.html
41 ms
syndication
102 ms
420468723816738816
190 ms
kolemdvou.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
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
<frame> or <iframe> elements do not have a title
Form elements do not have associated labels
Links do not have a discernible name
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
kolemdvou.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
Registers an unload listener
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
kolemdvou.cz SEO score
N/A
CS
WINDOWS-1250
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kolemdvou.cz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Czech. Our system also found out that Kolemdvou.cz main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
kolemdvou.cz
Open Graph description is not detected on the main page of Kolemdvou. 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: