Kolo.cz KOLO.cz - kolo, katalog kol, výlety, rady, cyklistika

KOLO.cz - cyklistický server pro celou rodinu

Kolo.cz Quick Summary

Status

Online

Server IP address resolved: Yes

Http response code: 200

Response time: 1.73 sec.

Last Checked: 03/18/2025

(Rescan now...)

Kolo.cz traffic estimate is about 513 unique visitors and 513 pageviews per day. The approximated value of kolo.cz is 5,840 USD. Every unique visitor makes about 1 pageviews on average.

Alexa Traffic Rank estimates that kolo.cz is ranked number 55,191 in the world.

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

During the last check (October 16, 2023) kolo.cz has an expired SSL certificate issued by Let's Encrypt (expired on January 01, 2024), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Let's Encrypt.

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

Relying on Google Mobile-Friendly test kolo.cz is well optimized for mobile and tablet devices, however website page loading time may be improved.

Kolo.cz General Information

Kolo.cz Audience Geography

Where are website visitors coming from?

Visitors
Pageviews
Ranks

Country	Visitors

Kolo.cz Traffic Distribution

Where do visitors go on kolo.cz?

Subdomain Traffic
Views per User
Subdomain Reach

Subdomain	Pageviews

Kolo.cz Popularity

How popular is kolo.cz?

Global Rank
Pageviews
Reach

Period	Global Rank	Global Rank Delta
past 3 months	1346110	756457
past month	1595429	-778196

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	1953075	1128594	1	-69.85%	1	-24.14%
30	2091683	-804712	1	90%	1	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	1129396	604780	3	-60.054%
30	1368458	-693222	3	90%

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

(Rescan now...)

Kolo.cz Safety Information

Rankchart Summary

Safe

Updated: 03/18/2025

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: 03/30/2024

(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: 03/09/2019

(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 kolo.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 kolo.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 kolo.cz. This reputation system receives ratings from users and information from third-party sources, assesses the kolo.cz for safety features and confirms, whether kolo.cz is suitable for children.

Kolo.cz SSL Information

Information about SSL/TLS certificates

(Rescan now...)

Domain	kolo.cz
Issuer Organization	Let's Encrypt
Issuer	R3
Algorithm	RSA-SHA256
Valid form	10/03/2023
Expiration	01/01/2024
Signed	Certificate is not self signed
Additional Domains	kolo.cz www.kolo.cz

SSL Checker

Kolo.cz Server Information

Kolo.cz Server Location

Where website hosting server is located?

(Rescan now...)

Kolo.cz ASN Information

Information about IP address owner

(Rescan now...)

ASN ID: 24806

ASN Title: INTERNET CZ, a.s.

Updated: 08/03/2024

Raw ASN data:

% 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 'AS24802 - AS24834'

as-block: AS24802 - AS24834
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: 2010-05-11T11:46:00Z
last-modified: 2014-02-24T13:15:17Z
source: RIPE

% Information related to 'AS24806'

% Abuse contact for 'AS24806' is 'abuse@forpsi.com'

aut-num: AS24806
org: ORG-ICa1-RIPE
as-name: INTERNET-CZ
descr: Ktis 2, 384 03 Ktis, CZ
remarks: # upstream: import
import: from AS174 accept ANY
import: from AS6830 accept ANY
remarks:
remarks: # upstream: export
export: to AS174 announce AS-INTERNETCZ
export: to AS6830 announce AS-INTERNETCZ
remarks: # peering at NIX.cz Prague: import
import: from AS1257 accept AS-TELE2
import: from AS1902 accept AS-CTT-IT
import: from AS2686 accept AS-IGNEMEA
import: from AS2819 accept AS-GTSCZ-NIX
import: from AS2852 accept AS-CESNET
import: from AS5407 accept AS5407
import: from AS5610 accept AS-CTIOL
import: from AS6706 accept AS6706
import: from AS6881 accept AS-NIX
import: from AS8422 accept AS-NETCOLOGNE
import: from AS8593 accept AS8593
import: from AS8747 accept AS-INWAY
import: from AS8913 accept AS8913
import: from AS9080 accept AS-GIN-NIX
import: from AS9148 accept AS-TGCZ-NIX
import: from AS12306 accept AS-PLUSLINE
import: from AS12570 accept AS12570
import: from AS12767 accept AS-PRAGONET-NIX
import: from AS13036 accept AS13036
import: from AS15494 accept AS-BTCZ
import: from AS15685 accept AS-CASABLANCA
import: from AS15935 accept AS-HA-VEL-CZNIX
import: from AS16019 accept AS16019
import: from AS16075 accept AS-ETELGROUP
import: from AS16246 accept AS16246
import: from AS20723 accept AS20723
import: from AS21430 accept AS21430
import: from AS21435 accept AS21435
import: from AS24828 accept AS24828
import: from AS24930 accept AS-CECOMCZ-NIX
import: from AS24971 accept AS-MASTERCZ-CZNIX
import: from AS25192 accept AS25192
import: from AS25234 accept AS25234
import: from AS25248 accept AS-BLUETONE-CUST
import: from AS25424 accept AS25424
import: from AS25512 accept AS25512
import: from AS28725 accept AS28725
import: from AS29086 accept AS29086
import: from AS29134 accept AS29134
import: from AS29208 accept as-dialtelecom
import: from AS29321 accept AS-CentroNet
import: from AS30134 accept AS30134
import: from AS31246 accept AS-NETBOX-CZNIX
import: from AS33883 accept AS33883
remarks: # peering at NIX.cz Prague: export
export: to AS1257 announce AS-INTCZ-NIX
export: to AS1902 announce AS-INTCZ-NIX
export: to AS2686 announce AS-INTCZ-NIX
export: to AS2819 announce AS-INTCZ-NIX
export: to AS2852 announce AS-INTCZ-NIX
export: to AS5407 announce AS-INTCZ-NIX
export: to AS5610 announce AS-INTCZ-NIX
export: to AS6706 announce AS-INTCZ-NIX
export: to AS6881 announce AS-INTCZ-NIX
export: to AS8422 announce AS-INTCZ-NIX
export: to AS8593 announce AS-INTCZ-NIX
export: to AS8747 announce AS-INTCZ-NIX
export: to AS8913 announce AS-INTCZ-NIX
export: to AS9080 announce AS-INTCZ-NIX
export: to AS9148 announce AS-INTCZ-NIX
export: to AS12306 announce AS-INTCZ-NIX
export: to AS12570 announce AS-INTCZ-NIX
export: to AS12767 announce AS-INTCZ-NIX
export: to AS13036 announce AS-INTCZ-NIX
export: to AS15494 announce AS-INTCZ-NIX
export: to AS15685 announce AS-INTCZ-NIX
export: to AS15935 announce AS-INTCZ-NIX
export: to AS16019 announce AS-INTCZ-NIX
export: to AS16075 announce AS-INTCZ-NIX
export: to AS16246 announce AS-INTCZ-NIX
export: to AS20723 announce AS-INTCZ-NIX
export: to AS21430 announce AS-INTCZ-NIX
export: to AS21435 announce AS-INTCZ-NIX
export: to AS24828 announce AS-INTCZ-NIX
export: to AS24930 announce AS-INTCZ-NIX
export: to AS24971 announce AS-INTCZ-NIX
export: to AS25192 announce AS-INTCZ-NIX
export: to AS25234 announce AS-INTCZ-NIX
export: to AS25248 announce AS-INTCZ-NIX
export: to AS25424 announce AS-INTCZ-NIX
export: to AS25512 announce AS-INTCZ-NIX
export: to AS28725 announce AS-INTCZ-NIX
export: to AS29086 announce AS-INTCZ-NIX
export: to AS29134 announce AS-INTCZ-NIX
export: to AS29208 announce AS-INTCZ-NIX
export: to AS29321 announce AS-INTCZ-NIX
export: to AS30134 announce AS-INTCZ-NIX
export: to AS31246 announce AS-INTCZ-NIX
export: to AS33883 announce AS-INTCZ-NIX
remarks: # peering at SIX.sk Bratislava: import
import: from AS2607 accept AS2607
import: from AS5578 accept AS5578
import: from AS5628 accept AS5628
import: from AS6658 accept AS6658
import: from AS6726 accept AS6726
import: from AS6855 accept AS6855
import: from AS6862 accept AS6862
import: from AS8264 accept AS8264
import: from AS8620 accept AS8620
import: from AS8778 accept AS8778
import: from AS12426 accept AS12426
import: from AS12508 accept AS12508
import: from AS12905 accept AS12905
import: from AS15955 accept AS15955
import: from AS15962 accept AS15962
import: from AS16160 accept AS16160
import: from AS16295 accept AS16295
import: from AS16317 accept AS16317
import: from AS16367 accept AS16367
import: from AS20579 accept AS20579
import: from AS21019 accept AS21019
import: from AS21460 accept AS21460
import: from AS24744 accept AS24744
import: from AS24930 accept AS-CECOMCZ-SIX
import: from AS24980 accept AS24980
import: from AS25496 accept AS25496
import: from AS29208 accept AS29208
import: from AS29405 accept AS29405
import: from AS31117 accept AS31117
import: from AS31127 accept AS31127
import: from AS31679 accept AS31679
remarks:
remarks: # peering at SIX.sk Bratislava: export
export: to AS2607 announce AS-INTERNETCZ
export: to AS5578 announce AS-INTERNETCZ
export: to AS5628 announce AS-INTERNETCZ
export: to AS6658 announce AS-INTERNETCZ
export: to AS6726 announce AS-INTERNETCZ
export: to AS6855 announce AS-INTERNETCZ
export: to AS6862 announce AS-INTERNETCZ
export: to AS8264 announce AS-INTERNETCZ
export: to AS8620 announce AS-INTERNETCZ
export: to AS8778 announce AS-INTERNETCZ
export: to AS12426 announce AS-INTERNETCZ
export: to AS12508 announce AS-INTERNETCZ
export: to AS12905 announce AS-INTERNETCZ
export: to AS15955 announce AS-INTERNETCZ
export: to AS15962 announce AS-INTERNETCZ
export: to AS16160 announce AS-INTERNETCZ
export: to AS16295 announce AS-INTERNETCZ
export: to AS16317 announce AS-INTERNETCZ
export: to AS16367 announce AS-INTERNETCZ
export: to AS20579 announce AS-INTERNETCZ
export: to AS21019 announce AS-INTERNETCZ
export: to AS21460 announce AS-INTERNETCZ
export: to AS24744 announce AS-INTERNETCZ
export: to AS24930 announce AS-INTERNETCZ
export: to AS24980 announce AS-INTERNETCZ
export: to AS25496 announce AS-INTERNETCZ
export: to AS29208 announce AS-INTERNETCZ
export: to AS29405 announce AS-INTERNETCZ
export: to AS31117 announce AS-INTERNETCZ
export: to AS31127 announce AS-INTERNETCZ
export: to AS31679 announce AS-INTERNETCZ
remarks:
remarks: # peering at BIX.hu Budapest: import
import: from AS5507 accept AS-BIX
remarks: # peering at BIX.hu Budapest: export
export: to AS5507 announce AS-INTERNETCZ
remarks:
remarks: peering contact: peering@forpsi.com
remarks: noc contact: noc@forpsi.com
remarks:
admin-c: ES4377-RIPE
tech-c: PK677-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
tech-c: RADA-RIPE
mnt-by: INTERNET-CZ-MNT
mnt-routes: INTERNET-CZ-MNT
created: 2002-09-24T10:40:59Z
last-modified: 2017-11-15T09:19:19Z
source: RIPE

organisation: ORG-ICa1-RIPE
org-name: INTERNET CZ, a.s.
org-type: LIR
address: Ktis 2
address: 38403
address: Ktis
address: CZECH REPUBLIC
phone: +420 383835353
fax-no: +420 383835354
admin-c: SC279-RIPE
admin-c: ES4377-RIPE
admin-c: RADA-RIPE
admin-c: MG10548-RIPE
admin-c: PK677-RIPE
mnt-ref: INTERNET-CZ-MNT
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: INTERNET-CZ-MNT
abuse-c: ICZ-RIPE
created: 2004-04-17T11:04:30Z
last-modified: 2017-02-15T06:05:58Z
source: RIPE # Filtered

person: Erich Syrovatka
address: INTERNET CZ, a.s.
address: Ktis 2
address: Ktis
address: 384 03
address: CZ
phone: +420 383835353
nic-hdl: ES4377-RIPE
mnt-by: INTERNET-CZ-MNT
created: 2007-12-11T09:18:22Z
last-modified: 2017-10-30T21:57:50Z
source: RIPE

person: Petr Kolonicz
address: INTERNET CZ,a.s.
address: Ktis2
address: Ktis
address: 38403
address: cz
phone: +420 383835353
nic-hdl: PK677-RIPE
mnt-by: INTERNET-CZ-MNT
created: 2002-04-25T05:53:44Z
last-modified: 2017-10-30T21:45:40Z
source: RIPE # Filtered

person: Michal Rada
address: FORPSI www.forpsi.com
INTERNET CZ, a.s.
Ktis 2
384 03 Ktis
Czech Republic
phone: +420 383835353
nic-hdl: RADA-RIPE
mnt-by: RADA-RIPE-MNT
created: 2010-04-19T09:47:37Z
last-modified: 2017-10-30T22:09:12Z
source: RIPE

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

Geolocation

ASN Lookup

Kolo.cz Domain Name Information

Kolo.cz DNS Information

Domain name service records

(Rescan now...)

A

Host	A Record	TTL

Kolo.cz Whois Information

Information about registered users or assignees of an Internet resource

(Rescan now...)

Raw WHOIS data:

Whois

DNS Lookup

Kolo.cz HTML Validation

Kolo.cz W3C HTML Markup Validation

HTML markup errors and warnings

(Rescan now...)

Errors:

Malformed byte sequence: “fd”.

Internal encoding declaration “windows-1250” disagrees with the actual encoding of the document (“utf-8”).

Bad value “screen,projection,tv” for attribute “media” on element “link”: Deprecated media type “projection”. For guidance, see the Media Types section in the current Media Queries specification.

Malformed byte sequence: “ed”.

Bad value “Pragma” for attribute “http-equiv” on element “meta”.

Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.

Bad value “Expires” for attribute “http-equiv” on element “meta”.

Malformed byte sequence: “f9”.

Malformed byte sequence: “f8”.

Malformed byte sequence: “9a”.

Malformed byte sequence: “e1”.

Malformed byte sequence: “ec”.

Malformed byte sequence: “c8”.

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

Element “input” is missing required attribute “alt”.

Malformed byte sequence: “f3”.

Malformed byte sequence: “e1”, “9a”.

Malformed byte sequence: “ef”.

Malformed byte sequence: “e9”.

Malformed byte sequence: “a0”.

Malformed byte sequence: “ec”, “9e”.

Malformed byte sequence: “ed”, “a0”.

Malformed byte sequence: “fa”.

Malformed byte sequence: “ec”, “9a”.

Malformed byte sequence: “e8”.

Malformed byte sequence: “f2”.

Malformed byte sequence: “9e”.

Malformed byte sequence: “9d”.

Malformed byte sequence: “e1”, “9e”.

Malformed byte sequence: “8a”.

Malformed byte sequence: “ed”, “9e”.

Malformed byte sequence: “cd”.

Malformed byte sequence: “f4”.

Malformed byte sequence: “f0”.

Malformed byte sequence: “c1”.

Duplicate ID “div-gpt-ad-1420370028572-0”.

Malformed byte sequence: “8e”.

Malformed byte sequence: “96”.

Malformed byte sequence: “cc”.

Warnings:

The first occurrence of ID “div-gpt-ad-1420370028572-0” was here.

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

HTML Validator

Kolo.cz Desktop Performance

How Well Kolo.cz Performs On Desktops?

Website desktop performance and usability tips

(Rescan now...)

Speed
Resource Breakdown

Speed

64%

Leverage browser caching

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

Optimize images

Minify JavaScript

Minify CSS

Minify HTML

Updated: 09/21/2015

Kolo.cz Mobile Performance

How Optimized Is Kolo.cz for Mobile Devices?

Tips on speeding up mobile site performance

(Rescan now...)

Usability
Speed
Resource Breakdown

Usability

61%

Use legible font sizes

Size tap targets appropriately

Configure the viewport

Size content to viewport

Avoid plugins

Updated: 09/21/2015

Kolo.cz Nearest Competitors

Estimated Nearest Competitors Of Kolo.cz

jonathantrumbull.co.uk
shoelander.com
pro-retina.de
omnivirt.com
boreal.org
craftingintherain.com
priviahealth.com
tadano.co.jp
conguitos.shop
web3templates.com
kolo.cz
u-presscenter.jp
cacrc.pt
styleoverdose.co.uk
v***o.vn
footballfoundation.org.uk
parsimonyshoppes.com
uniavisen.dk
givit.org.au
deepintent.com
government.gov.gr
komoot.nl

Kolo.cz URL Typos

Most common user URL mistypes for kolo.cz

www.kolo.com
www.kolo.net
www.kolo.org
www.kolo.info
www.kolo.biz
www.kolo.us
www.kolo.mobi
www.olo.cz
www.kolo.cz
www.jolo.cz
www.kjolo.cz
www.jkolo.cz
www.iolo.cz
www.kiolo.cz
www.ikolo.cz
www.molo.cz
www.kmolo.cz
www.mkolo.cz
www.lolo.cz
www.klolo.cz
www.lkolo.cz
www.oolo.cz
www.koolo.cz
www.okolo.cz
www.klo.cz
www.kilo.cz
www.koilo.cz
www.kklo.cz
www.koklo.cz
www.kkolo.cz
www.kllo.cz
www.kollo.cz
www.kplo.cz
www.koplo.cz
www.kpolo.cz
www.koo.cz
www.kopo.cz
www.kolpo.cz
www.kooo.cz
www.koloo.cz
www.koko.cz
www.kolko.cz
www.kol.cz
www.koli.cz
www.koloi.cz
www.kolio.cz
www.kolk.cz
www.kolok.cz
www.koll.cz
www.kolol.cz
www.kolp.cz
www.kolop.cz

Total Resources	145
Number of Hosts	18
Static Resources	112
JavaScript Resources	27
CSS Resources	3

CSS	88.8 KBytes
Images	520.1 KBytes
HTML	547.3 KBytes
JavaScript	2.6 MBytes
Other	5.5 KBytes

Total Resources	182
Number of Hosts	20
Static Resources	136
JavaScript Resources	33
CSS Resources	5

CSS	108.1 KBytes
Images	428.0 KBytes
HTML	433.5 KBytes
JavaScript	2.2 MBytes
Other	4.2 KBytes