Jfo.cz Janáčkova filharmonie Ostrava | Janáčkova filharmonie Ostrava

Jfo.cz Quick Summary

Status

Offline

Server IP address resolved: No

Http response code: None

Last Checked: 06/01/2024

Jfo.cz traffic estimate is about 47 unique visitors and 141 pageviews per day. The approximated value of jfo.cz is 0 USD. Every unique visitor makes about 3 pageviews on average.

Alexa Traffic Rank estimates that jfo.cz is ranked number 23,740 in the world.

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

During the last check (June 06, 2021) jfo.cz has an expired SSL certificate issued by Let's Encrypt (expired on July 23, 2021), 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 and Symantec jfo.cz is pretty a safe domain.

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

Jfo.cz General Information

Jfo.cz Audience Geography

Where are website visitors coming from?

Visitors
Pageviews
Ranks

Country	Visitors

Jfo.cz Traffic Distribution

Where do visitors go on jfo.cz?

Subdomain Traffic
Views per User
Subdomain Reach

Subdomain	Pageviews

Jfo.cz Popularity

How popular is jfo.cz?

Global Rank
Pageviews
Reach

Period	Global Rank	Global Rank Delta
past 3 months	4694845	1743256
past month	2681364	-11863939

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	4250291	1501020	0	-46.67%	3	-1.08%
30	2255077	-12293128	1	0%	3	200%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	5116216	1845137	4	-46.88%
30	2995496	-11548464	9	0%

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Jfo.cz Safety Information

Rankchart Summary

Safe

Updated: 06/01/2024

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: 04/03/2024

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Norton ConnectSafe evaluates websites for any unsafe and inapropriate content. The results are important for families with young children.

Google Safe Search

Safe

Updated: 11/20/2017

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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

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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: 03/12/2021

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

Web of Trust

Not Checked

Updated: 06/01/2024

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

Jfo.cz SSL Information

Information about SSL/TLS certificates

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Domain	jfo.cz
Issuer Organization	Let's Encrypt
Issuer	R3
Algorithm	RSA-SHA256
Valid form	04/24/2021
Expiration	07/23/2021
Signed	Certificate is not self signed
Additional Domains	jfo.cz www.jfo.cz

SSL Checker

Jfo.cz Server Information

Jfo.cz Server Location

Where website hosting server is located?

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Jfo.cz ASN Information

Information about IP address owner

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ASN ID: 24971

ASN Title: Master Internet s.r.o.

Updated: 03/23/2024

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 'AS24879 - AS24986'

as-block: AS24879 - AS24986
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: 2010-05-11T11:46:01Z
last-modified: 2014-02-24T13:15:17Z
source: RIPE

% Information related to 'AS24971'

% Abuse contact for 'AS24971' is 'abuse@master.cz'

aut-num: AS24971
as-name: MASTER-AS
org: ORG-MIs2-RIPE
descr: Czech Republic / www.master.cz
remarks:
remarks: .--------.---.-.-----.| |_.-----.----.
remarks: | | _ |__ --|| _| -__| _|
remarks: |__|__|__|___._|_____||____|_____|__|
remarks:
remarks: ======================== Upstream ========================
remarks:
remarks: = Telia
remarks:
import: from AS1299 action pref=90; accept ANY AND NOT {0.0.0.0/0};
export: to AS1299 announce AS-MASTERCZ
remarks:
remarks: = Cogent
remarks:
import: from AS174 action pref=90; accept ANY AND NOT {0.0.0.0/0};
export: to AS174 announce AS-MASTERCZ
remarks:
remarks:
remarks: = RETN
remarks:
import: from AS9002 action pref=90; accept ANY AND NOT {0.0.0.0/0};
export: to AS9002 announce AS-MASTERCZ
remarks:
remarks: ======================== Downstream ========================
remarks:
remarks: = Faster CZ
import: from AS24641 action pref=10; accept AS-FASTER-CZ
export: to AS24641 announce ANY
remarks: = Q-Net CZ
import: from AS21045 action pref=10; accept AS21045
export: to AS21045 announce ANY
remarks: = netsafe
import: from AS48921 action pref=10; accept AS48921 AS-FDR
export: to AS48921 announce ANY
remarks: = INTACTO GAMES a.s.
import: from AS51134 action pref=10; accept AS51134
export: to AS51134 announce ANY
remarks: = DCIT, a.s.
import: from AS199806 action pref=10; accept AS199806
export: to AS199806 announce ANY
remarks: = Detronics s.r.o.
import: from AS56656 action pref=10; accept AS56656 AS57760
export: to AS56656 announce ANY
remarks: = Telconet
import: from AS43203 action pref=10; accept AS43203
export: to AS43203 announce ANY
remarks: = EDSI-CDN
import: from AS204248 action pref=10; accept AS204248;
export: to AS204248 announce {0.0.0.0/0};
remarks: = Aukro a.s.
import: from AS206344 action pref=10; accept AS206344;
export: to AS206344 announce {0.0.0.0/0};
remarks:
remarks: ======================== peering.cz peering ========================
remarks:
import: from AS-MAI-PEERING-CZ-PEER action pref = 50; accept ANY
export: to AS-MAI-PEERING-CZ-PEER announce AS-MASTERCZ-CZPEERING
remarks:
remarks: ======================== NIX Prague peering ========================
remarks:
import: from AS-MAI-NIX-PEER action pref = 50; accept ANY
export: to AS-MAI-NIX-PEER announce AS-MASTERCZ-CZNIX
remarks:
remarks: ======================== SIX Bratislava peering ========================
remarks:
import: from AS-MAI-SIX-PEER action pref = 50; accept ANY
export: to AS-MAI-SIX-PEER announce AS-MASTERCZ-SKSIX
remarks:
remarks: ======================== NIX Bratislava peering ========================
remarks:
import: from AS-MAI-NIX-PEER action pref = 50; accept ANY
export: to AS-MAI-NIX-PEER announce AS-MASTERCZ-SKNIX
remarks:
admin-c: MAIc-RIPE
admin-c: MZI-RIPE
tech-c: MAIc-RIPE
tech-c: MZI-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: MASTER-MNT
mnt-routes: MASTER-MNT
created: 2002-06-11T14:14:49Z
last-modified: 2017-08-23T12:39:18Z
source: RIPE

organisation: ORG-MIs2-RIPE
org-name: Master Internet s.r.o.
org-type: LIR
address: Jiraskova 21
address: 602 00
address: Brno
address: CZECH REPUBLIC
phone: +420 777919700
mnt-ref: MASTER-MNT
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: MASTER-MNT
admin-c: PV352-RIPE
admin-c: JIPA-RIPE
admin-c: MZI-RIPE
admin-c: PZAK-RIPE
abuse-c: MAIc-RIPE
created: 2004-04-17T11:04:37Z
last-modified: 2017-10-30T14:44:41Z
source: RIPE # Filtered

role: Master Internet contact
address: Master Internet s.r.o
address: Jiraskova 21
address: 602 00 Brno
address: Czech Republic
phone: +420777919484
abuse-mailbox: abuse@master.cz
admin-c: PV352-RIPE
tech-c: MZI-RIPE
tech-c: JIPA-RIPE
tech-c: MMAS-RIPE
nic-hdl: MAIc-RIPE
mnt-by: MASTER-MNT
created: 2009-03-28T19:44:57Z
last-modified: 2013-10-10T10:00:26Z
source: RIPE # Filtered

person: Martin Zidek
address: Master Internet s.r.o.
address: Cejl 20
address: 602 00 Brno
address: Czech Republic
phone: +420 777919700
nic-hdl: MZI-RIPE
mnt-by: MASTER-MNT
created: 2008-04-11T07:45:37Z
last-modified: 2017-10-30T22:00:16Z
source: RIPE # Filtered

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

Geolocation

ASN Lookup

Jfo.cz Domain Name Information

Jfo.cz DNS Information

Domain name service records

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A

Host	A Record	TTL

Jfo.cz Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

Jfo.cz HTML Validation

Jfo.cz W3C HTML Markup Validation

HTML markup errors and warnings

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Warnings:

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.

Errors:

Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.

Attribute “alt” not allowed on element “a” at this point.

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: “c4”.

Bad value “” for attribute “action” on element “form”: Must be non-empty.

HTML Validator

Jfo.cz Desktop Performance

How Well Jfo.cz Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

46%

Optimize images

Leverage browser caching

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

Reduce server response time

Minify JavaScript

Minify HTML

Updated: 12/01/2017

Jfo.cz Mobile Performance

How Optimized Is Jfo.cz for Mobile Devices?

Tips on speeding up mobile site performance

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Usability
Speed
Resource Breakdown

Usability

100%

Updated: 12/01/2017

Jfo.cz Nearest Competitors

Estimated Nearest Competitors Of Jfo.cz

jellypages.com
protivait.com
smarterfitter.com
kaneiji.jp
sterneck.net
uzpr.ro
betmgm.co.uk
airport-ohare.com
roundhousedesign.com
s****g.com
jfo.cz
bmtev.de
brekina.de
m*****************y.com
sincerelykinsey.com
baerenherz.de
digidor.de
habitants.fr
historiclondontown.org
instamp.ru
kangtotoraja.com
cmar-paca.fr

Jfo.cz URL Typos

Most common user URL mistypes for jfo.cz

www.jfo.com
www.jfo.net
www.jfo.org
www.jfo.info
www.jfo.biz
www.jfo.us
www.jfo.mobi
www.fo.cz
www.jfo.cz
www.nfo.cz
www.jnfo.cz
www.njfo.cz
www.hfo.cz
www.jhfo.cz
www.hjfo.cz
www.ufo.cz
www.jufo.cz
www.ujfo.cz
www.ifo.cz
www.jifo.cz
www.ijfo.cz
www.kfo.cz
www.jkfo.cz
www.kjfo.cz
www.mfo.cz
www.jmfo.cz
www.mjfo.cz
www.jo.cz
www.jco.cz
www.jfco.cz
www.jcfo.cz
www.jdo.cz
www.jfdo.cz
www.jdfo.cz
www.jro.cz
www.jfro.cz
www.jrfo.cz
www.jto.cz
www.jfto.cz
www.jtfo.cz
www.jgo.cz
www.jfgo.cz
www.jgfo.cz
www.jvo.cz
www.jfvo.cz
www.jvfo.cz
www.jf.cz
www.jfi.cz
www.jfoi.cz
www.jfio.cz
www.jfk.cz
www.jfok.cz
www.jfko.cz
www.jfl.cz
www.jfol.cz
www.jflo.cz
www.jfp.cz
www.jfop.cz
www.jfpo.cz

Total Resources	55
Number of Hosts	4
Static Resources	34
JavaScript Resources	15
CSS Resources	3

CSS	140.4 KBytes
Images	1.5 MBytes
HTML	57.2 KBytes
JavaScript	385.9 KBytes
Other	351.0 Bytes

Total Resources	55
Number of Hosts	4
Static Resources	34
JavaScript Resources	15
CSS Resources	3

CSS	140.4 KBytes
Images	1.5 MBytes
HTML	57.2 KBytes
JavaScript	385.9 KBytes
Other	351.0 Bytes