grada.cz - Knihy a e-knihy

Quick Summary

Online Status

Online

Server IP address resolved: Yes
Http response code: 200
Response time: 2.41 sec.
Last Checked: 07/29/2024

Over the time grada.cz has been ranked as high as 15,581 in the world, while most of its traffic comes from Czech Republic, where it reached as high as 2,470 position.

Grada.cz receives about 918 unique visitors and 2,570 pageviews per day. The estimated value of grada.cz is 45,990 USD. Each unique visitor makes about 2.8 pageviews on average.

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

At the time of the last check (February 13, 2023) grada.cz has an expired wildcard SSL certificate issued by DigiCert, Inc. (expired on February 06, 2024). Check other websites using SSL certificates issued by DigiCert, Inc..

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust grada.cz is quite a safe domain.

Mobile-Friendly test indicates that grada.cz is well optimized for mobile and tablet devices.

Grada.cz General Information

Global Rank

Average Load Time

1.70sec

Links In Count

475

Website Value

$45,990

Audience Geography. Where are grada.cz visitors located?

Country	Rank
Czech Republic CZ	2470

Country	Percent of Pageviews
Czech Republic CZ	89.6%
Other	10.4%

Country	Percent of Visitors
Czech Republic CZ	87.9%
Other	11.9%

Where do visitors go on grada.cz?

Subdomain	Pageviews
grada.cz	100%

Subdomain	Pageviews per User
grada.cz	2.2

Subdomain	Reach
grada.cz	100%

How popular is grada.cz?

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	272635	-108273	2	55%
30	289313	34776	18	-17.08%
7	425656	97811	1	-27.85%
1	540322	246044	1	-52.524%

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	274427	-76387	15	40%	2.8	-9.385%
30	347813	49231	11	-20.63%	2.2	-4.29%
7	681613	172665	4	-38.84%	1	-15.19%
1	827302	289269	3	-52.524%	1	0%

Period	Global Rank	Global Rank Delta
past 3 months	260579	-93950
past month	290682	37004
past week	477458	116989
yesterday	691186	334477

Grada.cz Alexa Rank History

Alexa Rank shows how popular grada.cz is in comparison with other sites. The most popular site has Alexa Rank equals 1. If grada.cz has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to grada.cz and pageviews on grada.cz over the past 3 months.

Grada.cz Safety Information

Overview

Last Updated: 11/02/2024

Overall result - "grada.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

Last Updated: 03/28/2024

grada.cz is safe.

Norton ConnectSafe evaluates grada.cz for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 11/29/2016

grada.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 Browsing

Last Updated: 01/09/2019

Malware not found at "grada.cz".
"grada.cz" is not a phishing page.
"grada.cz" does not install unwanted software.
"grada.cz" does not contain harmfull applications.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

Site Advisor

Last Updated: 02/27/2021

grada.cz is safe.

McAfee assesses grada.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 grada.cz for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/10/2019

grada.cz child safety isgood.

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

SSL Information

SSL Checker Tool

Domain	*.grada.cz
Issuer Organization	DigiCert, Inc.
Issuer	GeoTrust Global TLS RSA4096 SHA256 2022 CA1
Algorithm	RSA-SHA256
Valid form	01/20/2023
Expiration	02/06/2024
Signed	Certificate is not self signed
Additional Domains	*.grada.cz alferia.cz bambook.cz cosmopolis.cz grada.cz grada.sk metafora.cz www.grada.sk

Grada.cz Server Information

Server Location

Geolocation Tool

Hlavni mesto

Praha

Czech Republic

ASN Information

ASN Lookup Tool

ASN ID: 13036
ASN Title: T-Mobile Czech Republic a.s.

Last Update: 07/31/2024

ASN Whois

% 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 'AS12557 - AS13223'

as-block: AS12557 - AS13223
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: 2010-05-11T11:45:03Z
last-modified: 2014-02-24T13:15:16Z
source: RIPE

% Information related to 'AS13036'

% Abuse contact for 'AS13036' is 'abuse@t-mobile.cz'

aut-num: AS13036
as-name: TMOBILE-CZ
remarks: Prague, Czech Republic
remarks: Fix/Mobile Service provider
org: ORG-Ra2-RIPE
remarks:
remarks: -> I N T E R N A T I O N A L U P S T R E A M S .
remarks:
remarks: .. DTAG
import: from AS3320 action pref=0; accept ANY
export: to AS3320 announce AS-TMOBILE-CZ
remarks:
remarks: > CUSTOMERS
remarks:
import: from AS202084 action pref=0; accept AS202084
export: to AS202084 announce ANY
remarks:
remarks: > N I X P E E R I N G S
remarks:
import: from AS2686 action pref=0; accept ANY
export: to AS2686 announce AS13036
import: from AS2819 action pref=0; accept ANY
export: to AS2819 announce AS13036
import: from AS2852 action pref=0; accept ANY
export: to AS2852 announce AS13036
import: from AS5407 action pref=0; accept ANY
export: to AS5407 announce AS13036
import: from AS5610 action pref=0; accept ANY
export: to AS5610 announce AS13036
import: from AS6706 action pref=0; accept ANY
export: to AS6706 announce AS13036
import: from AS6830 action pref=0; accept ANY
export: to AS6830 announce AS13036
import: from AS6881 action pref=0; accept ANY
export: to AS6881 announce AS13036
import: from AS8593 action pref=0; accept ANY
export: to AS8593 announce AS13036
import: from AS8913 action pref=0; accept ANY
export: to AS8913 announce AS13036
import: from AS9080 action pref=0; accept ANY
export: to AS9080 announce AS13036
import: from AS9148 action pref=0; accept ANY
export: to AS9148 announce AS13036
import: from AS12767 action pref=0; accept ANY
export: to AS12767 announce AS13036
import: from AS15685 action pref=0; accept ANY
export: to AS15685 announce AS13036
import: from AS15935 action pref=0; accept ANY
export: to AS15935 announce AS13036
import: from AS16019 action pref=0; accept ANY
export: to AS16019 announce AS13036
import: from AS16075 action pref=0; accept ANY
export: to AS16075 announce AS13036
import: from AS16246 action pref=0; accept ANY
export: to AS16246 announce AS13036
import: from AS20723 action pref=0; accept ANY
export: to AS20723 announce AS13036
import: from AS21435 action pref=0; accept ANY
export: to AS21435 announce AS13036
import: from AS24806 action pref=0; accept ANY
export: to AS24806 announce AS13036
import: from AS24828 action pref=0; accept ANY
export: to AS24828 announce AS13036
import: from AS24971 action pref=0; accept ANY
export: to AS24971 announce AS13036
import: from AS25192 action pref=0; accept ANY
export: to AS25192 announce AS13036
import: from AS25234 action pref=0; accept ANY
export: to AS25234 announce AS13036
import: from AS25248 action pref=0; accept ANY
export: to AS25248 announce AS13036
import: from AS25424 action pref=0; accept ANY
export: to AS25424 announce AS13036
import: from AS25512 action pref=0; accept ANY
export: to AS25512 announce AS13036
import: from AS28725 action pref=0; accept ANY
export: to AS28725 announce AS13036
import: from AS29086 action pref=0; accept ANY
export: to AS29086 announce AS13036
import: from AS29113 action pref=0; accept ANY
export: to AS29113 announce AS13036
import: from AS29134 action pref=0; accept ANY
export: to AS29134 announce AS13036
import: from AS29208 action pref=0; accept ANY
export: to AS29208 announce AS13036
import: from AS29321 action pref=0; accept ANY
export: to AS29321 announce AS13036
import: from AS30764 action pref=0; accept ANY
export: to AS30764 announce AS13036
import: from AS33883 action pref=0; accept ANY
export: to AS33883 announce AS13036
import: from AS34692 action pref=0; accept ANY
export: to AS34692 announce AS13036
import: from AS35236 action pref=0; accept ANY
export: to AS35236 announce AS13036
import: from AS39392 action pref=0; accept ANY
export: to AS39392 announce AS13036
import: from AS39817 action pref=0; accept ANY
export: to AS39817 announce AS13036
admin-c: TM2924-RIPE
tech-c: TN898-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: AS13036-MNT
created: 1970-01-01T00:00:00Z
last-modified: 2017-11-15T09:18:03Z
source: RIPE

organisation: ORG-Ra2-RIPE
org-name: T-Mobile Czech Republic a.s.
org-type: LIR
address: Tomickova 2144/1
address: 149 00
address: Prague 4
address: CZECH REPUBLIC
phone: +420603603431
fax-no: +420603603306
admin-c: MD6013-RIPE
admin-c: TM2924-RIPE
admin-c: TH4575-RIPE
admin-c: IH1571-RIPE
admin-c: HR6606-RIPE
admin-c: ZR502-RIPE
admin-c: PS15737-RIPE
admin-c: AD1535-RIPE
admin-c: JH5327-RIPE
mnt-ref: AS13036-MNT
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: AS13036-MNT
abuse-c: HR6606-RIPE
created: 2004-04-17T11:04:49Z
last-modified: 2017-12-23T16:26:49Z
source: RIPE # Filtered

person: Tomas Mencl
address: T-Mobile Czech Republic a.s.
address: Tomickova 2144/1
address: Praha 4
address: 149 00
address: Czech Republic
phone: +420 603 603 431
nic-hdl: TM2924-RIPE
created: 2006-08-21T08:40:08Z
last-modified: 2013-11-21T09:51:33Z
source: RIPE # Filtered
mnt-by: AS13036-MNT

person: Tomas Nikodym
address: T-Mobile Czech Republic a.s.
address: Tomickova 2144/1
address: Praha 4
address: 149 00
address: Czech Republic
phone: +420 603 603 412
nic-hdl: TN898-RIPE
created: 2006-08-21T08:40:09Z
last-modified: 2016-04-07T07:08:28Z
mnt-by: RIPE-NCC-LOCKED-MNT
source: RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.91.2 (WAGYU)

Grada.cz Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain 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: Sat Oct 12 15:12:46 2024

domain: grada.cz
registrant: SB:VL64-RIPE_XX
admin-c: M4WA-9B293
nsset: NSS:GLOBE-SGLO000001:1
keyset: A24-KEYSET
registrar: REG-ACTIVE24
registered: 09.03.1997 01:00:00
changed: 13.05.2015 16:43:38
expire: 10.10.2025

contact: SB:VL64-RIPE_XX
org: GRADA PUBLISHING, A.S.
name: GRADA PUBLISHING, A.S.
address: U pruhonu 22/466
address: Praha 7
address: 170 00
address: CZ
registrar: REG-ACTIVE24
created: 10.08.2001 22:13:00
changed: 07.06.2019 14:22:41

contact: M4WA-9B293
org: GRADA Publishing, a.s
name: Brunát, Milan
address: U Průhonu 22
address: Praha 7
address: 170 00
address: CZ
registrar: REG-MEDIA4WEB
created: 19.08.2009 12:25:23
changed: 15.05.2018 21:32:00

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

DNS Records

DNS Lookup Tool

Host	A Record	TTL
grada.cz	194.212.89.158	300

Host	MX Record	Priority	TTL
grada.cz	gateway.grada.cz	10	300
grada.cz	mail-relay-2.nethost.cz	20	300

Host	NS Record	TTL
grada.cz	alfa.ns.active24.cz	86400
grada.cz	beta.ns.active24.cz	86400
grada.cz	gama.ns.active24.sk	86400

Host	TXT Record	TTL
grada.cz	v=spf1 redirect=_spf.grada.cz	300
grada.cz	google-site-verification=lnLk815t7947tPy1hIX6VVMsZHs4qmvISjqmevR11GE	300

alfa.ns.active24.cz
TTL: 86400
Email address: hostmaster.active24.cz
Serial: 2019071601
Refresh: 10800
Retry: 1800
Expire: 1209600
Minimum: 3600

Grada.cz HTML Validation

HTML Validation Tool

Errors

Attribute “xmlns:fb” not allowed here.

A document must not include more than one “meta” element with a “charset” attribute.

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

Table columns in range 2…3 established by element “td” have no cells beginning in them.

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

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

Bad value “javascript: void();” for attribute “href” on element “a”: syntax error

No “p” element in scope but a “p” end tag seen.

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

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.

The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

Duplicate attribute “class”.

Attribute “enableencoding” not allowed on element “input” at this point.

Attribute “buttonstyle” not allowed on element “input” at this point.

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

Warnings

Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.

Consider avoiding viewport values that prevent users from resizing documents.

This document appears to be written in Czech. Consider adding “lang="cs"” (or variant) to the “html” start tag.

Grada.cz Desktop Insights

Desktop Page Insights Tool

Last tested: 12/16/2017

Desktop

Desktop Speed

60%

Optimize images

Leverage browser caching

Reduce server response time

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

Minify JavaScript

Minify HTML

Enable compression

Desktop Resource Breakdown

Total Resources	176
Number of Hosts	43
Static Resources	117
JavaScript Resources	48
CSS Resources	6

Grada.cz Mobile Insights

Mobile Page Insights Tool

Last tested: 12/02/2017

Mobile

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

70%

Leverage browser caching

Optimize images

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

Reduce server response time

Minify JavaScript

Minify HTML

Enable compression

Mobile Resource Breakdown

Total Resources	170
Number of Hosts	42
Static Resources	116
JavaScript Resources	46
CSS Resources	6

Grada.cz Typos

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Grada.cz Knihy a e-knihy | Knihy Grada

Knihy a e-knihy nakladatelství Grada. Od antistresových omalovánek, přes beletrii, dětskou literaturu nebo osobní rozvoj až po zdravotnickou literatur...

Quick Summary

Grada.cz General Information

Grada.cz Alexa Rank History

Grada.cz Safety Information

Grada.cz Server Information

Grada.cz Domain Name Information

Grada.cz HTML Validation

Grada.cz Desktop Insights

Grada.cz Mobile Insights

Grada.cz Nearest Competitors

Grada.cz Typos