Ctu.cz Český telekomunikační úřad

Ctu.cz Quick Summary

Status

Offline

Server IP address resolved: No

Http response code: None

Last Checked: 05/19/2024

Ctu.cz traffic estimate is about 305 unique visitors and 610 pageviews per day. The approximated value of ctu.cz is 5,840 USD. Every unique visitor makes about 2 pageviews on average.

Alexa Traffic Rank estimates that ctu.cz is ranked number 23,179 in the world.

Ctu.cz is registered under .CZ top-level domain. Check other websites in .CZ zone.

During the last check (June 19, 2019) ctu.cz has an expired SSL certificate (expired on February 27, 2020), please click the “Refresh” button for SSL Information at the Safety Information section.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust ctu.cz is pretty a safe domain.

Relying on Google Mobile-Friendly test ctu.cz is well optimized for mobile and tablet devices.

Ctu.cz General Information

Ctu.cz Audience Geography

Where are website visitors coming from?

Visitors
Pageviews
Ranks

Country	Visitors

Ctu.cz Traffic Distribution

Where do visitors go on ctu.cz?

Subdomain Traffic
Views per User
Subdomain Reach

Subdomain	Pageviews

Ctu.cz Popularity

How popular is ctu.cz?

Global Rank
Pageviews
Reach

Period	Global Rank	Global Rank Delta
past 3 months	1108580	605453
past month	1633916	598778
past week	608758	-1607780
yesterday	136983	0

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	1360038	705576	2	-62.483%	2	0.6%
30	2158163	860831	1	-55.749%	1	-35.48%
7	869537	-1405086	3	1000%	1	0%
1	241995	0	2	0%	1	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	1057146	587063	4	-62.796%
30	1406259	432099	3	-31.35%
7	508230	-1637576	1	1000%
1	111876	0	9	0%

Press rescan to collect fresh statistics for this website...

(Rescan now...)

Ctu.cz Safety Information

Rankchart Summary

Safe

Updated: 05/19/2024

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Safe

Updated: 03/31/2024

(Rescan now...)

Norton ConnectSafe evaluates websites for any unsafe and inapropriate content. The results are important for families with young children.

Google Safe Search

Safe

Updated: 03/25/2019

(Rescan now...)

SafeSearch works as a parental control tool to filter out any content that might be inappropriate for your children.

Google Safe Browsing

Safe

Malware not found

Phishing not detected

Unwanted software not found

Harmfull applications not found

Updated: 01/09/2019

(Rescan now...)

Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

McAfee® WebAdvisor

Safe

Updated: 03/01/2021

(Rescan now...)

McAfee assesses ctu.cz for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze ctu.cz for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Child safety is very good

Updated: 01/11/2019

(Rescan now...)

The WOT calculates reputation of the ctu.cz. This reputation system receives ratings from users and information from third-party sources, assesses the ctu.cz for safety features and confirms, whether ctu.cz is suitable for children.

Ctu.cz SSL Information

Information about SSL/TLS certificates

(Rescan now...)

Domain	www.ctu.cz
Issuer Organization	Unknown
Issuer	Thawte TLS RSA CA G1
Algorithm	RSA-SHA256
Valid form	12/29/2017
Expiration	02/27/2020
Signed	Certificate is not self signed
Additional Domains	www.ctu.cz ctu.cz webftp.ctu.cz authorize.ctu.cz data.ctu.cz

SSL Checker

Ctu.cz Server Information

Ctu.cz Server Location

Where website hosting server is located?

(Rescan now...)

Ctu.cz ASN Information

Information about IP address owner

(Rescan now...)

ASN ID: 206548

ASN Title: Tlap s.r.o.

Updated: 01/09/2024

Raw ASN data:

Geolocation

ASN Lookup

Ctu.cz Domain Name Information

Ctu.cz DNS Information

Domain name service records

(Rescan now...)

A

Host	A Record	TTL

Ctu.cz Whois Information

Information about registered users or assignees of an Internet resource

(Rescan now...)

Raw WHOIS data:

% (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: Thu Dec 09 16:46:26 2021

domain: ctu.cz
registrant: SB:EB935-RIPE_XX
admin-c: VALPE
nsset: NSS:CONTACTEL:1
keyset: IGN-K-CTUCZ
registrar: REG-IGNUM
registered: 03.02.1998 01:00:00
changed: 08.01.2021 10:43:05
expire: 07.10.2025

contact: SB:EB935-RIPE_XX
org: Cesky telekomunikacni urad
name: Cesky telekomunikacni urad
address: Sokolovská 219, Praha 9, poštovní přihrádka 025
address: Praha 025
address: 225 02
address: CZ
registrar: REG-IGNUM
created: 10.08.2001 22:13:00
changed: 15.05.2018 21:32:00

contact: VALPE
org: Český telekomunikační úřad
name: Ing. Pavel Valeš
address: Sokolovská 219
address: Praha
address: 225 00
address: CZ
registrar: REG-IGNUM
created: 16.04.2008 16:42:05
changed: 15.05.2018 21:32:00

nsset: NSS:CONTACTEL:1
nserver: ns2.contactel.cz (193.85.2.116, 2001:af0:2:b::53)
nserver: ns.contactel.cz (193.85.1.116, 2001:af0:2:a::53)
tech-c: SB:CONTACTEL
tech-c: SOKOLD
tech-c: LEBRR
tech-c: RACJ
tech-c: DOLEZALJ
tech-c: PUKVIS-GTS
registrar: REG-IGNUM
created: 01.10.2007 02:00:00
changed: 15.02.2013 15:03:04

contact: SB:CONTACTEL
org: GTS NOVERA a.s.
name: GTS NOVERA a.s.
address: Přemyslovská 2845/43
address: Praha 3
address: 13000
address: CZ
registrar: REG-IGNUM
created: 10.08.2001 22:13:00
changed: 15.05.2018 21:32:00

contact: SOKOLD
name: Daniel Sokol
address: Sokolovská 86
address: Praha 8
address: 186 00
address: CZ
registrar: REG-IGNUM
created: 05.04.2006 18:25:00
changed: 15.05.2018 21:32:00

contact: LEBRR
name: Radek Lebr
address: Sokolovská 86
address: Praha 8
address: 186 00
address: CZ
registrar: REG-IGNUM
created: 05.04.2006 18:25:00
changed: 15.05.2018 21:32:00

contact: RACJ
name: Josef Rác
address: Sokolovská 86
address: Praha 8
address: 186 00
address: CZ
registrar: REG-IGNUM
created: 05.04.2006 18:25:00
changed: 15.05.2018 21:32:00

contact: DOLEZALJ
name: Josef Doležal
address: Sokolovská 86
address: Praha 8
address: 186 00
address: CZ
registrar: REG-IGNUM
created: 05.04.2006 18:25:00
changed: 15.05.2018 21:32:00

contact: PUKVIS-GTS
org: GTS Czech s.r.o.
name: Ladislav Bukvicka
address: Premyslovska 43
address: Prague
address: 13000
address: CZ
registrar: REG-IGNUM
created: 06.03.2012 16:20:04
changed: 15.05.2018 21:32:00

keyset: IGN-K-CTUCZ
dnskey: 257 3 13 ynVVzgHNWwK1VHGS9PU0iTYfnZmh0ZNCny7UeDQIlsZoyg7r0Wrr4mkTuv3Gk47QFPbRjuGOp2a5NA85VKy2RA==
tech-c: SB:EB935-RIPE_XX
registrar: REG-IGNUM
created: 08.01.2021 10:43:04

Whois

DNS Lookup

Ctu.cz HTML Validation

Ctu.cz W3C HTML Markup Validation

HTML markup errors and warnings

(Rescan now...)

Errors:

The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.

Bad value “X-XRDS-Location” for attribute “http-equiv” on element “meta”.

Bad value “X-Yadis-Location” for attribute “http-equiv” on element “meta”.

When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.

Attribute “about” not allowed on element “div” at this point.

Bad value “” for attribute “name” on element “input”: Must not be empty.

Attribute “datatype” not allowed on element “span” at this point.

Attribute “content” not allowed on element “span” at this point.

The “for” attribute of the “label” element must refer to a non-hidden form control.

Warnings:

The “navigation” role is unnecessary for element “nav”.

HTML Validator

Ctu.cz Desktop Performance

How Well Ctu.cz Performs On Desktops?

Website desktop performance and usability tips

(Rescan now...)

Speed
Resource Breakdown

Speed

66%

Optimize images

Leverage browser caching

Avoid landing page redirects

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

Reduce server response time

Minify JavaScript

Minify CSS

Enable compression

Updated: 06/23/2019

Ctu.cz Mobile Performance

How Optimized Is Ctu.cz for Mobile Devices?

Tips on speeding up mobile site performance

(Rescan now...)

Usability
Speed
Resource Breakdown

Usability

99%

Size tap targets appropriately

Updated: 05/22/2017

Ctu.cz Nearest Competitors

Estimated Nearest Competitors Of Ctu.cz

thebewitchinkitchen.com
removeandreplace.com
crowdstreet.com
r*******a.com
wetterdienst.de
hot-ishikawa.jp
cbac.com
sharkia.gov.eg
wni.co.jp
voordeeluitjes.nl
ctu.cz
zurich.ch
nvinio.com
viet-jo.com
axisweb.org
serengeti-park.de
ardeche-guide.com
abc.com.pl
vimexx.nl
kemifilani.ng
employers.com
autobahn.de

Ctu.cz URL Typos

Most common user URL mistypes for ctu.cz

www.ctu.com
www.ctu.net
www.ctu.org
www.ctu.info
www.ctu.biz
www.ctu.us
www.ctu.mobi
www.tu.cz
www.ctu.cz
www.xtu.cz
www.cxtu.cz
www.xctu.cz
www.dtu.cz
www.cdtu.cz
www.dctu.cz
www.ftu.cz
www.cftu.cz
www.fctu.cz
www.vtu.cz
www.cvtu.cz
www.vctu.cz
www.cu.cz
www.cru.cz
www.ctru.cz
www.crtu.cz
www.cfu.cz
www.ctfu.cz
www.cgu.cz
www.ctgu.cz
www.cgtu.cz
www.cyu.cz
www.ctyu.cz
www.cytu.cz
www.ct.cz
www.cty.cz
www.ctuy.cz
www.cth.cz
www.ctuh.cz
www.cthu.cz
www.ctj.cz
www.ctuj.cz
www.ctju.cz
www.cti.cz
www.ctui.cz
www.ctiu.cz

Total Resources	117
Number of Hosts	8
Static Resources	29
JavaScript Resources	36
CSS Resources	38

CSS	370.6 KBytes
Images	377.1 KBytes
HTML	108.1 KBytes
JavaScript	531.7 KBytes
Other	108.6 KBytes

Total Resources	110
Number of Hosts	9
Static Resources	24
JavaScript Resources	35
CSS Resources	37

CSS	366.7 KBytes
Images	216.5 KBytes
HTML	98.1 KBytes
JavaScript	482.4 KBytes
Other	72.3 KBytes