Prirodovedci.cz

Prirodovedci.cz Overview

Prirodovedci.cz ranking shows that the page is at position 1,539,662 over the world.

In terms of rank-to-traffic ratio, prirodovedci.cz has 480 unique users per day, viewing 484 pages. The rank based value of prirodovedci.cz is 3,154 USD. Every user makes 1.08 pageviews on average.

Prirodovedci.cz boasts a link base consisting of 239 referring domains and 281 external backlinks, as revealed by the data obtained from web network scanning.

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

According the last verification test in July 07, 2025, prirodovedci.cz has an expired SSL certificate issued by Let's Encrypt (expired on August 10, 2025). 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, Google Safe Search, Symantec and Web of Trust prirodovedci.cz is a fairly safe domain.

According the Mobile-Friendly test by Google prirodovedci.cz is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Prirodovedci.cz Rank Summary

Global Rank
1,539,662
Average Load Time
0.00sec
Links In Count
19
Website Value
$2,920

Prirodovedci.cz Website Safety

logo
Overview
Last Updated: 12/20/2025
Overall result - prirodovedci.cz is safe.
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 logo
Norton Connect Safe
Last Updated: 02/20/2025
prirodovedci.cz is safe.
Norton ConnectSafe evaluates prirodovedci.cz for any unsafe and insecure content. The results are critical for families with young children.
Google logo
Google Safe Search
Last Updated: 05/15/2017
prirodovedci.cz is safe.
SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.
Google safe brwosing logo
Google Safe Browsing
Last Updated: 01/09/2019
prirodovedci.cz is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
McAfee logo
Site Advisor
Last Updated: 02/17/2021
prirodovedci.cz is safe.
McAfee assesses prirodovedci.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 prirodovedci.cz for mature or inappropriate content, only security checks are evaluated.
Web of trust logo
Web of Trust
Last Updated: 01/12/2019
prirodovedci.cz child safety is very good.
The WOT calculates reputation of the prirodovedci.cz. This reputation system receives ratings from users and information from third-party sources, assesses the prirodovedci.cz for safety features and confirms, whether prirodovedci.cz is suitable for children.

SSL Information
Domainwww.prirodovedci.cz
Issuer OrganizationLet's Encrypt
IssuerR10
AlgorithmRSA-SHA256
Valid form05/12/2025
Expiration08/10/2025
SignedCertificate is not self signed
Additional Domains prirodovedci.cz
www.prirodovedci.cz
www.prirodovedci.cz.web3.andweb.cz

Prirodovedci.cz Rank History

Prirodovedci.cz Hosting Information

Server Location

ASN Information

ASN ID: 51586

ASN Title: ServerZone s.r.o.

Last Update: 09/12/2025

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See http://www.ripe.net/db/support/db-terms-conditions.pdf

% Note: this output has been filtered.
% To receive output for a database update, use the "-B" flag.

% Information related to 'AS51357 - AS52223'

as-block: AS51357 - AS52223
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2021-12-09T08:21:17Z
last-modified: 2021-12-09T08:21:17Z
source: RIPE

% Information related to 'AS51586'

% Abuse contact for 'AS51586' is 'abuse@serverzone.cz'

aut-num: AS51586
as-name: SERVERZONECZ
org: ORG-SS771-RIPE
import: from AS42000 accept ANY
export: to AS42000 announce AS51586
admin-c: JS19658-RIPE
tech-c: JS19658-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: cz-serverzone-1-mnt
created: 2023-01-17T12:39:50Z
last-modified: 2023-01-17T15:55:18Z
source: RIPE

organisation: ORG-SS771-RIPE
org-name: ServerZone s.r.o.
country: CZ
org-type: LIR
address: Sumavska 5
address: 12000
address: Prague 2
address: CZECH REPUBLIC
phone: +420777718182
admin-c: JS19658-RIPE
tech-c: JS19658-RIPE
abuse-c: AR42681-RIPE
mnt-ref: cz-serverzone-1-mnt
mnt-by: RIPE-NCC-HM-MNT
mnt-by: cz-serverzone-1-mnt
created: 2017-08-08T07:46:13Z
last-modified: 2020-12-16T12:32:56Z
source: RIPE # Filtered

person: Jaroslav Skrivan
address: Sumavska 5
address: 12000
address: Prague 2
address: CZECH REPUBLIC
phone: +420777718182
nic-hdl: JS19658-RIPE
mnt-by: cz-serverzone-1-mnt
created: 2017-08-08T07:46:12Z
last-modified: 2017-08-08T07:46:13Z
source: RIPE

% This query was served by the RIPE Database Query Service version 1.105 (BUSA)

Prirodovedci.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: 3.12.2
% Timestamp: Mon Aug 21 16:05:25 2023

domain: prirodovedci.cz
registrant: PRFUK
nsset: NSS:GLOBE-SGLO000001:1
keyset: A24-KEYSET
registrar: REG-ACTIVE24
registered: 01.12.2010 17:35:25
changed: 25.04.2015 08:46:49
expire: 01.12.2023

contact: PRFUK
org: PřF UK v Praze - oddělení vnějších vztahů
name: Alexandra Hroncová
address: Albertov 6
address: Praha 2
address: 128 43
address: CZ
registrar: REG-MOJEID
created: 17.04.2013 15:09:15
changed: 18.09.2014 11:57:17

nsset: NSS:GLOBE-SGLO000001:1
nserver: alfa.ns.active24.cz (81.95.96.2, 2a02:4a8:ac24:100::96:2)
nserver: beta.ns.active24.cz (81.0.238.27, 2001:1528:151::12)
nserver: gama.ns.active24.sk
tech-c: ACTIVE24
registrar: REG-ACTIVE24
created: 01.10.2007 02:00:00
changed: 28.10.2021 22:12:07

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


DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL

Prirodovedci.cz HTML Check


Errors
Warnings

Prirodovedci.cz Desktop Performance

Last tested: 02/04/2018

Speedometer image
Desktop Speed
31%

Desktop Resource Breakdown
Total Resources84
Number of Hosts10
Static Resources49
JavaScript Resources6
CSS Resources5

Prirodovedci.cz Mobile Insights

Last tested: 01/25/2018

Speedometer image
Mobile Usability
95%
Speedometer image
Mobile Speed
51%

Mobile Resource Breakdown
Total Resources79
Number of Hosts10
Static Resources48
JavaScript Resources6
CSS Resources5

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