Czfree.net CZFree.Net forum Wireless community home page

CZFree.Net - projekt neziskové komunitní sítě v České Republice

Czfree.net Overview

Czfree.net ranking shows that the page is at position 1,226,614 over the world.

Czfree.net hosting company servers are placed in the Czech Republic, but, unfortunately, it’s not possible to identify the countries where the bulk of czfree.net users come from and, therefore, we couldn’t define if the distance can influence the webpage load time. See the list of other webpages hosted on FreeTel, s.r.o servers.

In terms of rank-to-traffic ratio, czfree.net has 141 unique users per day, viewing 571 pages. The rank based value of czfree.net is 6,314 USD. Every user makes 4.28 pageviews on average.

Czfree.net boasts a link base consisting of 241 referring domains and 281 external backlinks, as revealed by the data obtained from web network scanning.

Czfree.net top-level domain belongs to .NET domain zone. Check other webpages in .NET zone.

According the last verification test in October 06, 2024, czfree.net has an expired SSL certificate issued by Let's Encrypt (expired on December 30, 2024). 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 and Symantec czfree.net is a fairly safe domain.

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

Czfree.net Rank Summary

Global Rank

1,226,614

Average Load Time

2.06sec

Links In Count

116

Website Value

$5,846

Audience Geography. Where are czfree.net visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on czfree.net?

Subdomain	Pageviews
czfree.net	100%

Subdomain	Pageviews per User
czfree.net	4

Subdomain	Reach
czfree.net	100%

How popular is czfree.net?

Period	Global Rank	Global Rank Delta
past 3 months	1226614	-2575554
past month	772453	-1679496

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	1051370	-2681804	3	580%	4	60%
30	634439	-949693	5	300%	4	-30.5%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	1400667	-2606029	3	300%
30	959516	-2145885	5	500%

Czfree.net Website Safety

Overview

Last Updated: 02/25/2026

Overall result - czfree.net 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: 03/07/2025

czfree.net is safe.

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

Google Safe Search

Last Updated: 03/31/2019

czfree.net 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

czfree.net 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.

Site Advisor

Last Updated: 02/25/2021

czfree.net is safe.

McAfee assesses czfree.net 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 czfree.net for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 02/25/2026

czfree.net child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	czfree.net
Issuer Organization	Let's Encrypt
Issuer	R11
Algorithm	RSA-SHA256
Valid form	10/01/2024
Expiration	12/30/2024
Signed	Certificate is not self signed
Additional Domains	czfree.net www.czfree.net

Czfree.net Rank History

Alexa Rank shows how popular czfree.net is in comparison with other sites. The most popular site has Alexa Rank equals 1. If czfree.net 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 czfree.net and pageviews on czfree.net over the past 3 months.

Czfree.net Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 8251

ASN Title: FreeTel, s.r.o.

Last Update: 07/16/2025

% 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 'AS8192 - AS8523'

as-block: AS8192 - AS8523
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: 2010-05-11T11:44:46Z
last-modified: 2014-02-24T13:15:16Z
source: RIPE

% Information related to 'AS8251'

% Abuse contact for 'AS8251' is 'abuse@nfx.cz'

aut-num: AS8251
as-name: NFX_ZSPO
org: ORG-SK14-RIPE
remarks:
remarks: -------------------------------------------------
remarks: Upstream providers
remarks:
import: from AS8251:AS-UPSTREAMS accept ANY
export: to AS8251:AS-UPSTREAMS announce AS-NFX-UPSTREAM
remarks:
remarks: -------------------------------------------------
remarks: Public peerings at NIX.CZ (Prague)
remarks:
import: from AS8251:AS-NIX-PEERINGS accept ANY
export: to AS8251:AS-NIX-PEERINGS announce AS-NFX-NIX
remarks:
remarks: -------------------------------------------------
remarks: Public peerings at NIX.SK (Bratislava)
remarks:
import: from AS8251:AS-SK-PEERINGS accept ANY
export: to AS8251:AS-SK-PEERINGS announce AS-NFX-NIX
remarks:
remarks: -------------------------------------------------
remarks: Public peerings at AMS-IX (Amsterdam)
remarks:
import-via: AS6777 from AS-ANY EXCEPT AS-NFX-NOAMSRS accept ANY
export-via: AS6777 to AS-ANY EXCEPT AS-NFX-NOAMSRS announce AS-NFX-UPSTREAM
import: from AS8251:AS-AMSIX-PEERINGS accept ANY
export: to AS8251:AS-AMSIX-PEERINGS announce AS-NFX-UPSTREAM
remarks:
remarks: -------------------------------------------------
remarks: Private peerings at Sitel, Prague
remarks:
import: from AS15935 accept AS-HA-VEL-CZNIX
export: to AS15935 announce AS-NFX-NIX
import: from AS15169 accept AS-GOOGLE
export: to AS15169 announce AS-NFX-NIX
import: from AS42000 accept AS-KAORA
export: to AS42000 announce AS-NFX-NIX
remarks:
remarks: -------------------------------------------------
remarks: NFX,z.s.p.o. connected member networks
import: from AS8251:AS-NFX-MEMBERS accept AS8251:AS-NFX-MEMBERS
export: to AS8251:AS-NFX-MEMBERS announce ANY
remarks:
remarks: -------------------------------------------------
remarks:
admin-c: NFX
tech-c: NFX
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: CZNFX-MNT
mnt-routes: CZNFX-MNT
created: 2006-07-17T11:25:11Z
last-modified: 2016-04-20T19:37:48Z
source: RIPE # Filtered

organisation: ORG-SK14-RIPE
org-name: FreeTel, s.r.o.
org-type: LIR
address: Decinska 3227
address: 272 01
address: Kladno
address: CZECH REPUBLIC
phone: +420776238360
fax-no: +420242490205
abuse-c: NFXA-RIPE
admin-c: SD3468-RIPE
admin-c: MUKI
admin-c: JS531-RIPE
admin-c: DANN-RIPE
admin-c: JS6461-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: CZNFX-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: CZNFX-MNT
created: 2006-05-10T06:49:34Z
last-modified: 2017-10-30T14:35:05Z
source: RIPE # Filtered

role: Neutral czFree eXchange
org: ORG-SK14-RIPE
address: Vita Nejedleho 3188
address: Kladno
abuse-mailbox: abuse@nfx.cz
admin-c: JS531-RIPE
admin-c: SD3468-RIPE
admin-c: MUKI
admin-c: DANN-RIPE
tech-c: SD3468-RIPE
tech-c: MUKI
tech-c: DANN-RIPE
nic-hdl: NFX
mnt-by: CZNFX-MNT
created: 2009-09-29T22:52:28Z
last-modified: 2009-09-29T22:52:28Z
source: RIPE # Filtered

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

Czfree.net Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: CZFREE.NET
Registry Domain ID: 78176664_DOMAIN_NET-VRSN
Registrar WHOIS Server: whois.tucows.com
Registrar URL: http://www.tucows.com
Updated Date: 2024-09-05T01:58:04Z
Creation Date: 2001-10-03T11:47:30Z
Registry Expiry Date: 2025-10-03T11:47:30Z
Registrar: Tucows Domains Inc.
Registrar IANA ID: 69
Registrar Abuse Contact Email: domainabuse@tucows.com
Registrar Abuse Contact Phone: +1.4165350123
Domain Status: ok https://icann.org/epp#ok
Name Server: NS.NFX.CZ
Name Server: VSERVER.CZFREE.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-11-30T00:54:59Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
czfree.net	81.201.48.171	86400

Host	MX Record	Priority	TTL
czfree.net	vserver.czfree.net	100	86400

Host	NS Record	TTL
czfree.net	ns.nfx.cz	86400
czfree.net	vserver.czfree.net	86400

Host	TXT Record	TTL
czfree.net	v=spf1 a mx -all	86400

vserver.czfree.net
TTL: 86400
Email address: hostmaster.czfree.net
Serial: 2022053101
Refresh: 600
Retry: 3600
Expire: 604800
Minimum: 1800

Czfree.net HTML Check

HTML Validation Tool

Errors

Malformed byte sequence: “e9”.

Malformed byte sequence: “ed”.

Malformed byte sequence: “ec”.

Malformed byte sequence: “c8”.

Malformed byte sequence: “e1”.

Malformed byte sequence: “f8”.

Malformed byte sequence: “9a”.

Malformed byte sequence: “da”.

Quirky doctype. Expected “<!DOCTYPE html>”.

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

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

Attribute “leftmargin” not allowed on element “body” at this point.

Attribute “topmargin” not allowed on element “body” at this point.

The “bgcolor” attribute on the “body” element is obsolete. Use CSS instead.

The “text” attribute on the “body” element is obsolete. Use CSS instead.

The “marginwidth” attribute on the “body” element is obsolete. Use CSS instead.

The “marginheight” attribute on the “body” element is obsolete. Use CSS instead.

The “link” attribute on the “body” element is obsolete. Use CSS instead.

The “vlink” attribute on the “body” element is obsolete. Use CSS instead.

The “alink” attribute on the “body” element is obsolete. Use CSS instead.

Malformed byte sequence: “f3”.

Malformed byte sequence: “fd”.

Malformed byte sequence: “f9”.

Malformed byte sequence: “e8”.

Bad value “2, 3, 65, 12” for attribute “coords” on element “area”: Expected a minus sign or a digit but saw “ ” instead.

Bad value “70, 3, 124, 12” for attribute “coords” on element “area”: Expected a minus sign or a digit but saw “ ” instead.

Bad value “131, 3, 163, 12” for attribute “coords” on element “area”: Expected a minus sign or a digit but saw “ ” instead.

Bad value “170, 3, 263, 12” for attribute “coords” on element “area”: Expected a minus sign or a digit but saw “ ” instead.

Bad value “275, 3, 322, 12” for attribute “coords” on element “area”: Expected a minus sign or a digit but saw “ ” instead.

Bad value “329, 3, 393, 12” for attribute “coords” on element “area”: Expected a minus sign or a digit but saw “ ” instead.

Bad value “399, 3, 450, 12” for attribute “coords” on element “area”: Expected a minus sign or a digit but saw “ ” instead.

Bad value “460, 3, 515, 12” for attribute “coords” on element “area”: Expected a minus sign or a digit but saw “ ” instead.

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

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

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

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

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

The “align” attribute on the “td” element is obsolete. Use CSS instead.

Start tag “form” seen in “table”.

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

Start tag “input” seen in “table”.

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

Attribute “background” not allowed on element “td” at this point.

The “width” attribute on the “td” element is obsolete. Use CSS instead.

The “nowrap” attribute on the “td” element is obsolete. Use CSS instead.

The “font” element is obsolete. Use CSS instead.

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

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

Stray end tag “form”.

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

Malformed byte sequence: “9e”.

The “valign” attribute on the “tr” element is obsolete. Use CSS instead.

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

The “bgcolor” attribute on the “td” element is obsolete. Use CSS instead.

End tag “font” violates nesting rules.

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

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

Duplicate ID “cat”.

Start tag “a” seen but an element of the same type was already open.

End tag “a” violates nesting rules.

Stray end tag “a”.

Table column 2 established by element “td” has no cells beginning in it.

The “valign” attribute on the “td” element is obsolete. Use CSS instead.

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

The “bgcolor” attribute on the “tr” element is obsolete. Use CSS instead.

The “align” attribute on the “img” element is obsolete. Use CSS instead.

Malformed byte sequence: “ec”, “9e”.

The “align” attribute on the “tr” element is obsolete. Use CSS instead.

The “align” attribute on the “p” element is obsolete. Use CSS instead.

Malformed byte sequence: “f2”.

Malformed byte sequence: “ed”, “9d”.

Table columns in range 2…5 established by element “td” have no cells beginning in them.

Malformed byte sequence: “9b”.

Malformed byte sequence: “bb”.

Stray end tag “td”.

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

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

Table columns in range 3…4 established by element “td” have no cells beginning in them.

Warnings

The “language” attribute on the “script” element is obsolete. You can safely omit it.

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

The first occurrence of ID “cat” was here.

A table row was 5 columns wide and exceeded the column count established by the first row (1).

Czfree.net Desktop Performance

Last tested: 11/12/2018

Desktop Speed

94%

Leverage browser caching

Desktop Resource Breakdown

Total Resources	13
Number of Hosts	2
Static Resources	10

Czfree.net Mobile Insights

Last tested: 11/12/2018

Mobile Usability

64%

Use legible font sizes

Configure the viewport

Size tap targets appropriately

Mobile Speed

92%

Leverage browser caching

Mobile Resource Breakdown

Total Resources	13
Number of Hosts	2
Static Resources	10

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Czfree.net CZFree.Net forum Wireless community home page

CZFree.Net - projekt neziskové komunitní sítě v České Republice

Czfree.net Overview

Czfree.net Rank Summary

Czfree.net Website Safety

Czfree.net Rank History

Czfree.net Hosting Information

Czfree.net Domain Registration and Settings

Czfree.net HTML Check

Czfree.net Desktop Performance

Czfree.net Mobile Insights

Czfree.net Similar Audits

Czfree.net Common Typos