CENTRUM.CZ Centrum.cz

centrum.cz Website Information

Daily Unique Visits: 320,679

Daily Page Views: 2,565,432

Income Per Day: $2,565

Estimated Value: $2,770,200

This website is located in Czech Republic and is using following IP address 46.255.231.129. See the complete list of popular websites hosted in Czech Republic.

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

Website centrum.cz is using the following name servers:

  • max.ns.cloudflare.com
  • pam.ns.cloudflare.com

and is probably hosted by Economia a.s.. See the full list of other websites hosted by Economia a.s..

The highest website centrum.cz position in Alexa rank database was 2039 and the lowest rank position was 492579. Current position of centrum.cz in Alexa rank database is 4752.

Desktop speed score of centrum.cz (55/100) is better than the results of 29.37% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of centrum.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 centrum.cz (48/100) is better than the results of 30.32% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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centrum.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.


centrum.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: 3.12.2
% Timestamp: Mon Aug 29 00:12:34 2022

domain: centrum.cz
registrant: CENTRUM-CZ
admin-c: CENTRUM-CZ
nsset: CENTRUM-CLOUDFLARE2
keyset: AUTO-JF4LFJI5Z0QNSBW6631A1HZ8A
registrar: REG-WEBGLOBE
registered: 12.07.1997 02:00:00
changed: 19.06.2019 14:23:15
expire: 24.10.2022

contact: CENTRUM-CZ
org: Economia, a.s.
name: Economia, a.s.
address: Pernerova 47
address: Praha 8
address: 18600
address: CZ
registrar: REG-WEDOS
created: 11.03.2013 14:31:30
changed: 03.06.2019 11:16:50

nsset: CENTRUM-CLOUDFLARE2
nserver: max.ns.cloudflare.com
nserver: pam.ns.cloudflare.com
tech-c: CENTRUM-CZ
registrar: REG-WEDOS
created: 11.06.2019 10:51:43

keyset: AUTO-JF4LFJI5Z0QNSBW6631A1HZ8A
dnskey: 257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
tech-c: CZ-NIC
registrar: REG-CZNIC
created: 19.06.2019 14:23:15

contact: CZ-NIC
org: CZ.NIC, z.s.p.o.
name: CZ.NIC, z.s.p.o.
address: Milesovska 1136/5
address: Praha 3
address: 130 00
address: CZ
registrar: REG-CZNIC
created: 17.10.2008 12:08:21
changed: 15.05.2018 21:32:00

centrum.cz server information

Servers Location

centrum.cz desktop page speed rank

Last tested: 2016-06-12


Desktop Speed Bad
55/100

centrum.cz Desktop Speed Test Quick Summary


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priority - 2Prioritize visible content

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centrum.cz Desktop Resource Breakdown

Total Resources146
Number of Hosts27
Static Resources105
JavaScript Resources29
CSS Resources2

centrum.cz mobile page speed rank

Last tested: 2019-12-02


Mobile Speed Bad
48/100

centrum.cz Mobile Speed Test Quick Summary


priority - 56Eliminate render-blocking JavaScript and CSS in above-the-fold content

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priority - 32Leverage browser caching

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priority - 19Optimize images

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priority - 12Enable compression

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priority - 0Minify JavaScript

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priority - 0Minify HTML

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centrum.cz Mobile Resource Breakdown

Total Resources231
Number of Hosts53
Static Resources136
JavaScript Resources45
CSS Resources3

centrum.cz mobile page usability

Last tested: 2019-12-02


Mobile Usability Good
99/100

centrum.cz Mobile Usability Test Quick Summary


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 <label for="currency-EUR" class="sc-1tefn21-0 VRPLI">EUR</label> and 2 others are close to other tap targets.
The tap target <label for="currency-EUR" class="sc-1tefn21-0 VRPLI">EUR</label> and 2 others are close to other tap targets.

centrum.cz HTML validation

Errors

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

Line: 69 Column: 2271 - 2427
"...0 bpbnBV"><img class="image-1_1L arffyp-0 kNHqN" src="//cdn.xsd.cz/resize/848cd88ef24830a3b326c4ddbc101ae3_resize=340,340_.png?hash=2c5fd439a381a586d3b16fde24d59ffe"/></div>..." Line: 69 Column: 2969 - 3123
"...0 bpbnBV"><img class="image-4_3 arffyp-0 kNHqN" src="//cdn.xsd.cz/resize/b9a2af2bbad7311785217b010f82ff18_resize=128,96_.jpg?hash=fde04f319daccac5e6f8649575210587"/></div>..." Line: 69 Column: 3638 - 3792
"...0 bpbnBV"><img class="image-4_3 arffyp-0 kNHqN" src="//cdn.xsd.cz/resize/646ebcf36d1c3741b230aaaf01c9cb74_resize=128,96_.jpg?hash=fdacd85235cb8b6310ca306a2e2dc1e8"/></div>..." Line: 69 Column: 4267 - 4421
"...0 bpbnBV"><img class="image-4_3 arffyp-0 kNHqN" src="//cdn.xsd.cz/resize/808e3648211535e6862fbdc3e7a038c9_resize=128,96_.jpg?hash=aaa4f87db7283fcf9a555157d09916a2"/></div>..." Line: 69 Column: 4899 - 5053
"...0 bpbnBV"><img class="image-4_3 arffyp-0 kNHqN" src="//cdn.xsd.cz/resize/40554ceebbd03ca5911eff2974253ffa_resize=128,96_.jpg?hash=0b6ff00d41255ab981fd7f439df3c16c"/></div>..." Line: 69 Column: 5600 - 5754
"...0 bpbnBV"><img class="image-4_3 arffyp-0 kNHqN" src="//cdn.xsd.cz/resize/4f73abf5c4b03c4d85fc13fb958418a6_resize=128,96_.jpg?hash=d7aab9de208819c8ff0c65408835819c"/></div>..." Line: 69 Column: 7080 - 7234
"...0 bpbnBV"><img class="image-4_3 arffyp-0 kNHqN" src="//cdn.xsd.cz/resize/317f9cec5092302dab5f01eb33d16e94_resize=128,96_.jpg?hash=5bf86be20b1c028f65c8a8419d382f01"/></div>..." Line: 69 Column: 7743 - 7897
"...0 bpbnBV"><img class="image-4_3 arffyp-0 kNHqN" src="//cdn.xsd.cz/resize/92bc208355ce3e66ba32b28c879cf905_resize=128,96_.png?hash=ff4a463650daef4f640c5775ac8fad5c"/></div>..." Line: 69 Column: 11134 - 11304
"...0 iHzAiL"><img class="sc-113blv-0 eUPQa" src="//cdn.xsd.cz/resize/3bf7f5d65d483d168b8ee5efc8d8fdc9_extract=0,199,799,599_resize=392,294_.png?hash=82160c10b60f84bce8426d2d7df7697b"/></div>..." Line: 69 Column: 16342 - 16496
"...0 bpbnBV"><img class="image-4_3 arffyp-0 kNHqN" src="//cdn.xsd.cz/resize/5e6353b8980f3a8098e79e41a774269b_resize=128,96_.jpg?hash=695a4b5cead62e3de01c2180ab684d9c"/></div>..." Line: 69 Column: 17002 - 17156
"...0 bpbnBV"><img class="image-4_3 arffyp-0 kNHqN" src="//cdn.xsd.cz/resize/2fac5207ba543ea8a0e62bd0241175a5_resize=128,96_.jpg?hash=19649113371086dc8e5e5e8b007c7b45"/></div>..." Line: 69 Column: 20495 - 20649
"...0 bpbnBV"><img class="image-4_3 arffyp-0 kNHqN" src="//cdn.xsd.cz/resize/400d0facda45362ca914f4a7379f0d70_resize=128,96_.jpg?hash=684ce74b1dfbda0850c2370ae3fc7522"/></div>..." Line: 69 Column: 21150 - 21328
"...0 bpbnBV"><img class="image-4_3 arffyp-0 kNHqN" src="//cdn.xsd.cz/resize/df04139b75b9382da205e166d1ebc026_extract=380,187,589,442_resize=128,96_.jpg?hash=9e28476141f05a95fb2727d1548dfe07"/></div>..." Line: 69 Column: 24603 - 24757
"...0 bpbnBV"><img class="image-4_3 arffyp-0 kNHqN" src="//cdn.xsd.cz/resize/266397452312363cb64b6eef522b2dd6_resize=128,96_.jpg?hash=87fd27e287fb2f96941aab9da51ca472"/></div>..." Line: 69 Column: 25236 - 25311
"...0 bpbnBV"><img class="image-4_3 arffyp-0 kNHqN" src="//hpxs.xsd.cz/emg/2aa68e93.jpg"/></div>..." Line: 69 Column: 35329 - 35390
"...0 jEhppA"><img src="https://hpxs.xsd.cz/images/exchange/flags/eur.png"/><div c..." Line: 69 Column: 35895 - 35956
"...0 jEhppA"><img src="https://hpxs.xsd.cz/images/exchange/flags/gbp.png"/><div c..." Line: 69 Column: 36461 - 36522
"...0 jEhppA"><img src="https://hpxs.xsd.cz/images/exchange/flags/usd.png"/><div c..."

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

Line: 69 Column: 11446 - 11476
"...YtAB col"><li class="sc-1s6m73v-0 HxwEP"><a cla..." Line: 69 Column: 12159 - 12189
"...></a></li><li class="sc-1s6m73v-0 HxwEP"><a cla..." Line: 69 Column: 12840 - 12870
"...></a></li><li class="sc-1s6m73v-0 HxwEP"><a cla..." Line: 69 Column: 13533 - 13563
"...></a></li><li class="sc-1s6m73v-0 HxwEP"><a cla..." Line: 69 Column: 14241 - 14271
"...></a></li><li class="sc-1s6m73v-0 HxwEP"><a cla..."

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

Line: 69 Column: 30010 - 30041
"...>Firmy</a><dd class="sc-1uk5x3r-0 kzNqeZ"><span>..." Line: 69 Column: 30635 - 30666
"...1 kBfDPU"><dd class="sc-1uk5x3r-0 kzNqeZ"><span>..." Line: 69 Column: 34685 - 34716
"...1 kBfDPU"><dd class="sc-1uk5x3r-0 kzNqeZ"><span>..."

Attribute “v” not allowed on element “iframe” at this point.

Line: 80 Column: 1 - 5586
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Attribute “d” not allowed on element “iframe” at this point.

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Stray start tag “script”.

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centrum.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.


centrum.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.