Umimematiku.cz Umíme matiku – Zábavné procvičování matematiky online

Online cvičení matematika, bohatá sbírka příkladů pro základní i střední školy. Matematika hrou i tradiční procvičování počítání.

Umimematiku.cz Overview

Umimematiku.cz belongs to CLOUDFLARENET - Cloudflare, Inc., US. Check the list of other websites hosted by CLOUDFLARENET - Cloudflare, Inc., US.

In terms of rank-to-traffic ratio, umimematiku.cz has 1,701 unique users per day, viewing 3,437 pages. The rank based value of umimematiku.cz is 2,595 USD. Every user makes 2.14 pageviews on average.

Umimematiku.cz boasts a link base consisting of 257 referring domains and 331 external backlinks, as revealed by the data obtained from web network scanning.

Umimematiku.cz top-level domain belongs to .CZ domain zone. Check other webpages in .CZ zone.

According the last verification test in March 18, 2022, umimematiku.cz has an expired SSL certificate issued by Let's Encrypt (expired on March 25, 2022). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Let's Encrypt.

Based on data from Google Safe Browsing and Symantec umimematiku.cz is a fairly safe domain.

According the Mobile-Friendly test by Google umimematiku.cz is nice optimized for mobile devices and tablets.

Umimematiku.cz Website Safety

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Overview
Last Updated: 05/10/2025
Unknown status.
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Last Updated: 02/20/2025
umimematiku.cz is safe.
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Last Updated: 05/10/2025
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Last Updated: 01/10/2019
umimematiku.cz is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
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Last Updated: 03/23/2021
umimematiku.cz is safe.
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Last Updated: 05/10/2025
umimematiku.cz child safety is unknown.
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SSL Information
Domainumimematiku.cz
Issuer OrganizationLet's Encrypt
IssuerR3
AlgorithmRSA-SHA256
Valid form12/25/2021
Expiration03/25/2022
SignedCertificate is not self signed
Additional Domains alfa.umimematiku.cz
umimematiku.cz
www.umimematiku.cz

Umimematiku.cz Rank History

Umimematiku.cz Hosting Information

Server Location

ASN Information

ASN ID: 13335

ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Last Update: 01/19/2025

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ASNumber: 13335
ASName: CLOUDFLARENET
ASHandle: AS13335
RegDate: 2010-07-14
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/autnum/13335


OrgName: Cloudflare, Inc.
OrgId: CLOUD14
Address: 101 Townsend Street
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2010-07-09
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/entity/CLOUD14

OrgTechHandle: ADMIN2521-ARIN
OrgTechName: Admin
OrgTechPhone: +1-650-319-8930
OrgTechEmail: rir@cloudflare.com
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-319-8930
OrgAbuseEmail: abuse@cloudflare.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

OrgNOCHandle: NOC11962-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-650-319-8930
OrgNOCEmail: noc@cloudflare.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RNOCHandle: NOC11962-ARIN
RNOCName: NOC
RNOCPhone: +1-650-319-8930
RNOCEmail: noc@cloudflare.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RTechHandle: ADMIN2521-ARIN
RTechName: Admin
RTechPhone: +1-650-319-8930
RTechEmail: rir@cloudflare.com
RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RAbuseHandle: ABUSE2916-ARIN
RAbuseName: Abuse
RAbusePhone: +1-650-319-8930
RAbuseEmail: abuse@cloudflare.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
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# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
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Umimematiku.cz Domain Registration and Settings

WHOIS

% (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: Mon May 13 19:04:43 2024

domain: umimematiku.cz
registrant: CHJARUSEK128804
admin-c: SB:HOSTINGLINE001
nsset: CH-61513-20180628
registrar: REG-WEDOS
registered: 20.12.2016 19:53:04
changed: 28.06.2018 12:45:11
expire: 20.12.2024

contact: CHJARUSEK128804
org: Petr Jarušek
name: Petr Jarušek
address: Výstavní 26
address: Brno
address: 60300
address: CZ
registrar: REG-INTERNET-CZ
created: 10.04.2017 19:34:34
changed: 27.11.2017 09:56:39

contact: SB:HOSTINGLINE001
org: THINline s.r.o.
name: Matěj Kloubek
address: Jeseniova 1196/52
address: Praha 3
address: 13000
address: CZ
registrar: REG-THINLINE
created: 11.07.2003 20:31:00
changed: 24.09.2018 10:48:03

nsset: CH-61513-20180628
nserver: ns1.digitalocean.com
nserver: ns2.digitalocean.com
nserver: ns3.digitalocean.com
tech-c: SB:HOSTINGLINE001
registrar: REG-INTERNET-CZ
created: 28.06.2018 12:44:36


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HostTXT RecordTTL

Umimematiku.cz HTML Check


Errors
Warnings

Umimematiku.cz Desktop Performance

Last tested: 06/06/2018

Speedometer image
Desktop Speed
78%

Desktop Resource Breakdown
Total Resources53
Number of Hosts7
Static Resources41
JavaScript Resources3
CSS Resources6

Umimematiku.cz Mobile Insights

Last tested: 06/06/2018

Speedometer image
Mobile Usability
95%
Speedometer image
Mobile Speed
62%

Mobile Resource Breakdown
Total Resources44
Number of Hosts7
Static Resources36
JavaScript Resources3
CSS Resources6

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