centropa.org ▶ Jewish witness to the 20th century

Centropa.org | Key Trends

Online Status

Offline

Server IP address resolved: No
Http response code: None
Last Checked: 01/23/2025

Centropa.org attracts 528 unique visitors daily, generating 528 pageviews. The estimated value of centropa.org is 6,249 USD. Each visitor views approximately 1.07 pages on average.

According to Majestic's traffic estimates, centropa.org ranks 68,284 globally.

See the list of other websites hosted by DIGITALOCEAN-ASN - DigitalOcean, LLC, US.

Centropa.org is registered with the .ORG top-level domain. Explore additional websites within the .ORG zone.

A recent examination on (April 16, 2021), indicates that centropa.org has an expired SSL certificate issued by Let's Encrypt (expired on May 24, 2021). Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by Let's Encrypt.

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust centropa.org appears to be a safe domain.

Based on Google's Mobile-Friendly test, centropa.org is optimized for mobile and tablet devices, although the web page loading speed could be improved.

Centropa.org | General Site Information

Global Rank

1,399,338

Average Load Time

1.00sec

Links In Count

291

Website Value

$5,840

Audience Geography. Where are centropa.org visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on centropa.org?

Subdomain	Pageviews
centropa.org	100%

Subdomain	Pageviews per User
centropa.org	1

Subdomain	Reach
centropa.org	100%

How popular is centropa.org?

Period	Global Rank	Global Rank Delta
past 3 months	1399338	363013
past month	804733	-4205302
past week	1085661	453438

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	1833880	1108289	1	-75.816%	1	-76.867%
30	1028836	-4018525	2	3000%	1	40%
7	908253	133205	2	-26.68%	3	100%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	1241792	-42880	3	4%
30	723947	-4154680	6	2000%
7	1195029	597305	3	-65.757%

Centropa.org | Safety and Security Details

Overview

Last Updated: 01/23/2025

Overall result - centropa.org 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: 02/15/2024

centropa.org is safe.

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

Google Safe Search

Last Updated: 04/07/2017

centropa.org 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

centropa.org 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: 02/16/2021

centropa.org is safe.

McAfee assesses centropa.org 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 centropa.org for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/12/2019

centropa.org child safety is very good.

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

Centropa.org | SSL Certificate Information

SSL Checker Tool

Domain	centropa.org
Issuer Organization	Let's Encrypt
Issuer	R3
Algorithm	RSA-SHA256
Valid form	02/23/2021
Expiration	05/24/2021
Signed	Certificate is not self signed
Additional Domains	at.centropa.org centropa.org centropastudent.org hu.centropa.org jewishcentraleurope.org www.centropa.org www.centropastudent.org www.jewishcentraleurope.org

Centropa.org | Server and Hosting Details

Server Location

Geolocation Tool

Centropa.org ASN Information

ASN Lookup Tool

ASN ID: 14061
ASN Title: DIGITALOCEAN-ASN - DigitalOcean, LLC, US

Last Update: 01/02/2025

ASN Whois

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 14061
ASName: DIGITALOCEAN-ASN
ASHandle: AS14061
RegDate: 2012-09-25
Updated: 2012-09-25
Ref: https://rdap.arin.net/registry/autnum/14061

OrgName: DigitalOcean, LLC
OrgId: DO-13
Address: 101 Ave of the Americas
Address: 10th Floor
City: New York
StateProv: NY
PostalCode: 10013
Country: US
RegDate: 2012-05-14
Updated: 2018-07-17
Comment: http://www.digitalocean.com
Comment: Simple Cloud Hosting
Ref: https://rdap.arin.net/registry/entity/DO-13

OrgAbuseHandle: ABUSE5232-ARIN
OrgAbuseName: Abuse, DigitalOcean
OrgAbusePhone: +1-347-875-6044
OrgAbuseEmail: abuse@digitalocean.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE5232-ARIN

OrgNOCHandle: NOC32014-ARIN
OrgNOCName: Network Operations Center
OrgNOCPhone: +1-347-875-6044
OrgNOCEmail: noc@digitalocean.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC32014-ARIN

OrgTechHandle: NOC32014-ARIN
OrgTechName: Network Operations Center
OrgTechPhone: +1-347-875-6044
OrgTechEmail: noc@digitalocean.com
OrgTechRef: https://rdap.arin.net/registry/entity/NOC32014-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

Centropa.org | Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

Domain Name: centropa.org
Registry Domain ID: d98900d648c04a7588a9f9fa9c6006ef-LROR
Registrar WHOIS Server: http://whois.antagus.de
Registrar URL: http://www.vautron.de
Updated Date: 2022-08-21T09:35:33Z
Creation Date: 1999-07-07T09:35:19Z
Registry Expiry Date: 2023-07-07T09:35:18Z
Registrar: Vautron Rechenzentrum AG
Registrar IANA ID: 1443
Registrar Abuse Contact Email: abuse@vautron.de
Registrar Abuse Contact Phone: +49.9415990570
Domain Status: ok https://icann.org/epp#ok
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Centropa - Central Europe Center for Research and Documentation
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: AT
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: AT
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: ns1.digitalocean.com
Name Server: ns2.digitalocean.com
Name Server: ns3.digitalocean.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2022-12-30T18:53:57Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Centropa.org | HTML Validation Report

HTML Validation Tool

Errors

X-UA-Compatible HTTP header must have the value “IE=edge”, was “IE=Edge,chrome=1”.

Attribute “xmlns:content” not allowed here.

Attribute “xmlns:dc” not allowed here.

Attribute “xmlns:foaf” not allowed here.

Attribute “xmlns:og” not allowed here.

Attribute “xmlns:rdfs” not allowed here.

Attribute “xmlns:sioc” not allowed here.

Attribute “xmlns:sioct” not allowed here.

Attribute “xmlns:skos” not allowed here.

Attribute “xmlns:xsd” not allowed here.

Bogus comment.

The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.

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

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.

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

The element “header” must not appear as a descendant of the “header” element.

When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.

The “name” attribute on the “option” element is obsolete. Use the “id” attribute instead.

Element “option” without attribute “label” must not be empty.

Bad value “_new” for attribute “target” on element “a”: Reserved keyword “new” used.

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

The element “footer” must not appear as a descendant of the “footer” element.

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

CSS: “hight”: Property “hight” doesn't exist.

Duplicate ID “_clearly_component__css”.

Duplicate ID “_clearly_component__next_pages_container”.

Warnings

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

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

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

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

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

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

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

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

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

The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.

The document is not mappable to XML 1.0 due to a trailing hyphen in a comment.

The “type” attribute for the “style” element is not needed and should be omitted.

The “type” attribute is unnecessary for JavaScript resources.

Empty heading.

The “banner” role is unnecessary for element “header”.

Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.

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

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

The “navigation” role is unnecessary for element “nav”.

Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).

The “contentinfo” role is unnecessary for element “footer”.

The first occurrence of ID “_clearly_component__css” was here.

The first occurrence of ID “_clearly_component__next_pages_container” was here.

Centropa.org | Desktop Performance Insights

Last tested: 11/07/2016

Desktop

Desktop Speed

63%

Leverage browser caching

Optimize images

Reduce server response time

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

Minify JavaScript

Desktop Resource Breakdown

Total Resources	111
Number of Hosts	7
Static Resources	81
JavaScript Resources	28
CSS Resources	12

Centropa.org | Mobile Performance Insights

Last tested: 11/07/2016

Mobile

Mobile Usability

63%

Size content to viewport

Configure the viewport

Size tap targets appropriately

Mobile Speed

55%

Leverage browser caching

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

Optimize images

Reduce server response time

Minify JavaScript

Mobile Resource Breakdown

Total Resources	111
Number of Hosts	7
Static Resources	81
JavaScript Resources	28
CSS Resources	12

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Centropa.org Jewish witness to the 20th century | Centropa

Preserving Jewish memory. Bringing history to life. Explore our archive of 1,230 interviews and 25,664 family pictures from 15 European countries, and...

Centropa.org | Key Trends

Centropa.org | General Site Information

Centropa.org | Safety and Security Details

Centropa.org | Server and Hosting Details

Centropa.org | Domain Name Information

Centropa.org | HTML Validation Report

Centropa.org | Desktop Performance Insights

Centropa.org | Mobile Performance Insights

Centropa.org | Competitors Analysis

Centropa.org | Common Typographical Errors