AlexaWhoisServer InformationDesktop SpeedMobile SpeedMobile UsabilityHTML ErrorsPingTraceroute

ITBIZ.CZ Zprávy ze světa IT a byznysu - ITBiz.cz

itbiz.cz Website Information

Daily Unique Visits: 1,344

Daily Page Views: 2,688

Income Per Day: $8

Estimated Value: $1,920

This website is located in Czech Republic and is using following IP address 171.25.221.158. See the complete list of popular websites hosted in Czech Republic.

itbiz.cz is registered under .CZ top-level domain. Please check other sites in .CZ zone.

Website itbiz.cz is using the following name servers:

  • alfa.ns.active24.cz
  • beta.ns.active24.cz
  • gama.ns.active24.sk

and is probably hosted by Greendata s.r.o.. See the full list of other websites hosted by Greendata s.r.o..

The highest website itbiz.cz position in Alexa rank database was 56296 and the lowest rank position was 995023. Current position of itbiz.cz in Alexa rank database is 533698.

Desktop speed score of itbiz.cz (57/100) is better than the results of 31.79% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of itbiz.cz (99/100) is better than the results of 79.46% of other sites and means that the page is mobile-friendly.

Mobile speed score of itbiz.cz (55/100) is better than the results of 43.86% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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itbiz.cz Alexa Rank

The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.

itbiz.cz whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.

% (c) 2006-2021 CZ.NIC, z.s.p.o.
%
% Intended use of supplied data and information
%
% Data contained in the domain name register, as well as information
% supplied through public information services of CZ.NIC association,
% are appointed only for purposes connected with Internet network
% administration and operation, or for the purpose of legal or other
% similar proceedings, in process as regards a matter connected
% particularly with holding and using a concrete domain name.
%
% Full text available at:
% http://www.nic.cz/page/306/intended-use-of-supplied-data-and-information/
%
% See also a search service at http://www.nic.cz/whois/
%
%
% Whoisd Server Version: 3.15.0
% Timestamp: Fri Oct 25 13:04:01 2024

domain: itbiz.cz
registrant: NITEMEDIA
nsset: NSS:GLOBE-SGLO000001:1
keyset: A24-KEYSET
registrar: REG-ACTIVE24
registered: 01.09.2006 12:25:00
changed: 30.10.2014 14:10:41
expire: 01.09.2025

contact: NITEMEDIA
org: Nitemedia s.r.o.
name: Tomáš Jirásko
address: Velehradská 1411/20
address: Praha 3 - Vinohrady
address: 130 00
address: CZ
registrar: REG-MOJEID
created: 21.08.2014 12:50:26
changed: 05.09.2014 01:21:20

nsset: NSS:GLOBE-SGLO000001:1
nserver: alfa.ns.active24.cz (81.95.96.2, 2a02:4a8:ac24:100::96:2)
nserver: gama.ns.active24.sk
nserver: beta.ns.active24.cz (185.111.90.94, 2a00:4b40:1000:590:185:111:90:94)
tech-c: ACTIVE24
registrar: REG-ACTIVE24
created: 01.10.2007 02:00:00
changed: 06.09.2023 08:54:36

contact: ACTIVE24
org: ACTIVE 24, s.r.o.
name: ACTIVE 24, s.r.o.
address: Sokolovská 394/17
address: Praha 8
address: 186 00
address: CZ
registrar: REG-ACTIVE24
created: 29.04.2008 12:35:02
changed: 15.05.2018 21:32:00

keyset: A24-KEYSET
dnskey: 257 3 13 0EK9ChwJW+CVCvP7mizQwEnR2OJpHgbLmilGV5OyqncZoOufo9fIbVrvxT6qid/T9sAWH7KOfzItPxkVOIbRjg==
tech-c: ACTIVE24
registrar: REG-ACTIVE24
created: 26.11.2008 14:12:02
changed: 10.09.2019 15:48:38

itbiz.cz server information

Servers Location

itbiz.cz desktop page speed rank

Last tested: 2015-09-02

Desktop Speed Bad
57/100

itbiz.cz Desktop Speed Test Quick Summary


priority - 30Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 294.3KiB (73% reduction).

Compressing http://www.itbiz.cz/jsp/scripts.jsp could save 247.6KiB (73% reduction).
Compressing http://www.itbiz.cz/jsp/styles.jsp could save 44.8KiB (79% reduction).
Compressing http://www.argonit.cz/tmp/64bit.js could save 1.9KiB (59% reduction).

priority - 20Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 6 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://www.itbiz.cz/jsp/scripts.jsp
http://go.cz.bbelements.com/please/showit/14399/2/…58241916&target=_blank
http://www.argonit.cz/tmp/64bit.js
http://go.cz.bbelements.com/bb/bb_one2n.js
http://bbcdn-bbnaut.ibillboard.com/library/bbnaut-lib-1.7.5.min.js
http://go.cz.bbelements.com/please/showit/0/0/0/1/…2788363397&target=_top

Optimize CSS Delivery of the following:

http://www.itbiz.cz/jsp/styles.jsp

priority - 20Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

http://bbcdn-bbnaut.ibillboard.com/server-static-files/invisible1x1.gif (expiration not specified)
http://bbnaut.ibillboard.com/initidmatch (expiration not specified)
http://linkbox.argonit.cz/images/dalsi-kickstarter…adrokoptera-splash.jpg (expiration not specified)
http://linkbox.argonit.cz/images/prvni-smartphone-…tu-prichazi-na-trh.jpg (expiration not specified)
http://linkbox.argonit.cz/images/zaklinac-jako-kom…im-nasupem-recenze.jpg (expiration not specified)
http://www.argonit.cz/tmp/64bit.js (expiration not specified)
http://www.itbiz.cz/jsp/scripts.jsp (expiration not specified)
http://www.itbiz.cz/jsp/styles.jsp (expiration not specified)
http://www.itbiz.cz/data/css/blitzer/images/ui-bg_…d_100_eeeeee_1x100.png (60 minutes)
http://www.itbiz.cz/images/footer-logo.png (60 minutes)
http://www.itbiz.cz/images/nitemedia_web.png (60 minutes)
http://www.itbiz.cz/images/screen/arrow-red-right.gif (60 minutes)
http://www.itbiz.cz/images/screen/banner-facebook.png (60 minutes)
http://www.itbiz.cz/images/screen/banner-twitter.png (60 minutes)
http://www.itbiz.cz/images/screen/bullet-arrow-black.gif (60 minutes)
http://www.itbiz.cz/images/screen/comic-bottom.png (60 minutes)
http://www.itbiz.cz/images/screen/comic-heading.png (60 minutes)
http://www.itbiz.cz/images/screen/comic-top.png (60 minutes)
http://www.itbiz.cz/images/screen/footer-border.png (60 minutes)
http://www.itbiz.cz/images/screen/icon-comment.gif (60 minutes)
http://www.itbiz.cz/images/screen/icon-comments-comic.png (60 minutes)
http://www.itbiz.cz/images/screen/logo.png (60 minutes)
http://www.itbiz.cz/images/screen/nav-divider.png (60 minutes)
http://www.itbiz.cz/images/screen/search-submit.gif (60 minutes)
http://www.itbiz.cz/images/screen/submit-login.png (60 minutes)
http://www.itbiz.cz/images/upload/-/-2707195204-do…club-propousteni_m.jpg (60 minutes)
http://www.itbiz.cz/images/upload/b/big-data-dollar-photo-club_m.jpg (60 minutes)
http://www.itbiz.cz/images/upload/b/blackday-dolla…l-zamek-security_m.jpg (60 minutes)
http://www.itbiz.cz/images/upload/c/credit-j-warne…ineering-3d-fish_m.jpg (60 minutes)
http://www.itbiz.cz/images/upload/k/kreizihorse-do…-club-print-tisk_m.jpg (60 minutes)
http://www.itbiz.cz/images/upload/k/kreizihorse-do…-club-print-tisk_s.jpg (60 minutes)
http://www.itbiz.cz/images/upload/p/patrick-muller-sophos_m.jpg (60 minutes)
http://www.itbiz.cz/images/upload/p/pitny-rezim_s.jpg (60 minutes)
http://www.itbiz.cz/images/upload/r/ripple-maker_m.jpg (60 minutes)
http://www.itbiz.cz/images/upload/r/ripple-maker_s.jpg (60 minutes)
http://www.itbiz.cz/images/upload/r/rx2560-mood_m.jpg (60 minutes)
http://www.itbiz.cz/images/upload/s/security-pocit…ollar-photo-club_s.jpg (60 minutes)
http://www.itbiz.cz/images/upload/s/starman963-dol…hoto-club-sudoku_m.jpg (60 minutes)
http://www.itbiz.cz/images/user/photos/pavelhouser.jpg (60 minutes)
http://www.google-analytics.com/ga.js (2 hours)

priority - 6Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 47.6KiB (27% reduction).

Losslessly compressing http://bbcdn.go.cz.bbelements.com/creatives/cdn156…/b626917/b626917_1.jpg could save 36KiB (39% reduction).
Losslessly compressing http://www.itbiz.cz/images/user/photos/pavelhouser.jpg could save 5.8KiB (73% reduction).
Losslessly compressing http://www.itbiz.cz/images/screen/banner-facebook.png could save 1.2KiB (47% reduction).
Losslessly compressing http://www.itbiz.cz/images/screen/comic-heading.png could save 961B (56% reduction).
Losslessly compressing http://bbcdn.go.cz.bbelements.com/creatives/cdn156…/b626927/b626927_1.jpg could save 917B (3% reduction).
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Losslessly compressing http://www.itbiz.cz/images/screen/banner-twitter.png could save 853B (21% reduction).
Losslessly compressing http://linkbox.argonit.cz/images/zaklinac-jako-kom…im-nasupem-recenze.jpg could save 564B (7% reduction).
Losslessly compressing http://linkbox.argonit.cz/images/dalsi-kickstarter…adrokoptera-splash.jpg could save 528B (7% reduction).

priority - 3Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 27KiB (8% reduction).

Minifying http://www.itbiz.cz/jsp/scripts.jsp could save 26.4KiB (8% reduction).
Minifying http://spir.hit.gemius.pl/xgemius.js could save 633B (13% reduction) after compression.

priority - 1Reduce server response time

priority - 1Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 11.4KiB (21% reduction).

Minifying http://www.itbiz.cz/jsp/styles.jsp could save 11.4KiB (21% reduction).

priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 1.4KiB (13% reduction).

Minifying http://www.itbiz.cz/ could save 1.4KiB (13% reduction) after compression.

itbiz.cz Desktop Resource Breakdown

Total Resources69
Number of Hosts12
Static Resources51
JavaScript Resources13
CSS Resources1

itbiz.cz mobile page speed rank

Last tested: 2019-06-17

Mobile Speed Bad
55/100

itbiz.cz Mobile Speed Test Quick Summary


priority - 77Avoid landing page redirects

Your page has 4 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://itbiz.cz/
http://www.itbiz.cz/
https://www.itbiz.cz/
http://m.itbiz.cz/
https://m.itbiz.cz/

priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

https://m.itbiz.cz/data/css/mobile.css

priority - 4Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://m.itbiz.cz/data/css/mobile.css (60 minutes)
https://m.itbiz.cz/images/mobile/logo.png (60 minutes)
https://m.itbiz.cz/images/screen/comic-heading.png (60 minutes)
https://m.itbiz.cz/images/upload/c/chytra-domacnost_s.jpg (60 minutes)
https://ssl.google-analytics.com/ga.js (2 hours)

priority - 0Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 735B (44% reduction).

Compressing https://m.itbiz.cz/images/screen/comic-heading.png could save 735B (44% reduction).

priority - 0Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 125B (14% reduction).

Minifying https://m.itbiz.cz/data/css/mobile.css could save 125B (14% reduction) after compression.

itbiz.cz Mobile Resource Breakdown

Total Resources11
Number of Hosts4
Static Resources5
JavaScript Resources1
CSS Resources1

itbiz.cz mobile page usability

Last tested: 2019-06-17

Mobile Usability Good
99/100

itbiz.cz Mobile Usability Test Quick Summary


priority - 0Configure the viewport

Your page uses an XHTML Mobile doctype declaration, which instructs browsers that your page is optimized for mobile and should render properly on all devices.

priority - 0Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <a href="http://www.imp…ab.fit.cvut.cz">ImproLab</a> is close to 1 other tap targets.

itbiz.cz HTML validation

Errors

Obsolete doctype. Expected “<!DOCTYPE html>”.

Line: 2 Column: 1 - 109
"... <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <htm..."

Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.

Line: 7 Column: 2 - 52
"...tf-8" /> <meta http-equiv="content-language" content="cs" /> <met..."

Bad value “http://ad13.adfarm1.adition.com/click?sid=4249858&ts=[timestamp]” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.

Line: 374 Column: 11 - 86
"...<noscript><a href="http://ad13.adfarm1.adition.com/click?sid=4249858&ts=[timestamp]"> <img ..."

Bad value “http://ad13.adfarm1.adition.com/banner?sid=4249858&kid=2496391&ts=[timestamp]” for attribute “src” on element “img”: Illegal character in query: “[” is not allowed.

Line: 376 Column: 1 - 102
"...stamp]"> <img src="http://ad13.adfarm1.adition.com/banner?sid=4249858&kid=2496391&ts=[timestamp]" border="0"></a></no..."

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 376 Column: 1 - 102
"...stamp]"> <img src="http://ad13.adfarm1.adition.com/banner?sid=4249858&kid=2496391&ts=[timestamp]" border="0"></a></no..." Line: 389 Column: 1 - 71
"...#b7b7b7"> <img src="http://www.itbiz.cz/images/upload/i/itbiz.png" height="40px"> <a hr..." Line: 389 Column: 140 - 206
"...jQoXcbgQ"><img src="http://www.itbiz.cz/files/youtubelogo.png" height="40px"></a><b..."

Bad value “40px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.

Line: 389 Column: 1 - 71
"...#b7b7b7"> <img src="http://www.itbiz.cz/images/upload/i/itbiz.png" height="40px"> <a hr..." Line: 389 Column: 140 - 206
"...jQoXcbgQ"><img src="http://www.itbiz.cz/files/youtubelogo.png" height="40px"></a><b..."

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

Line: 390 Column: 1 - 109
"...></a><br> <iframe width="300" height="169" src="https://youtube.com/embed/K7tDuUC8P3U" frameborder="0" allowfullscreen></ifra..." Line: 391 Column: 1 - 113
"...rame><br> <iframe width="300" height="169" src="https://www.youtube.com/embed/erVaIkB6OL4" frameborder="0" allowfullscreen></ifra..." Line: 392 Column: 1 - 113
"...rame><br> <iframe width="300" height="169" src="https://www.youtube.com/embed/Iu-LKsQpjes" frameborder="0" allowfullscreen></ifra..." Line: 393 Column: 1 - 113
"...rame><br> <iframe width="300" height="169" src="https://www.youtube.com/embed/SY_X9bZ3rCI" frameborder="0" allowfullscreen></ifra..." Line: 394 Column: 1 - 113
"...rame><br> <iframe width="300" height="169" src="https://www.youtube.com/embed/3NtiDaO3ciU" frameborder="0" allowfullscreen></ifra..."

End tag “div” seen, but there were open elements.

Line: 690 Column: 7 - 12
"...a>. </div> ..." Line: 702 Column: 5 - 10
"...div> </div> </d..." Line: 703 Column: 3 - 8
"... </div> </div> <!-- ..."

Unclosed element “strong”.

Line: 689 Column: 7 - 14
"...r"> <strong>Vydává..."

Element “div” not allowed as child of element “strong” in this context. (Suppressing further errors from this subtree.)

Line: 692 Column: 7 - 31
"...v> <div id="footer-contact"> ..." Line: 700 Column: 7 - 27
"...a> <div class="cleaner">&nbsp;..."

End tag for “body” seen, but there were unclosed elements.

Line: 719 Column: 1 - 7
".../script> </body> </htm..."

Warnings

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

Line: 376 Column: 1 - 102
"...stamp]"> <img src="http://ad13.adfarm1.adition.com/banner?sid=4249858&kid=2496391&ts=[timestamp]" border="0"></a></no..."

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itbiz.cz Ping

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.

itbiz.cz TRACEROUTE

Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.