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 Overview

Centropa.org ranking shows that the page is at position 1,399,338 over the world.

In terms of rank-to-traffic ratio, centropa.org has 528 unique users per day, viewing 533 pages. The rank based value of centropa.org is 6,314 USD. Every user makes 1.07 pageviews on average.

Centropa.org boasts a link base consisting of 787 referring domains and 949 external backlinks, as revealed by the data obtained from web network scanning.

Centropa.org top-level domain belongs to .ORG domain zone. Check other webpages in .ORG zone.

According the last verification test in April 16, 2021, centropa.org has an expired SSL certificate issued by Let's Encrypt (expired on May 24, 2021). 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, Symantec and Web of Trust centropa.org is a fairly safe domain.

According the Mobile-Friendly test by Google centropa.org is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Centropa.org Rank Summary

Global Rank

1,399,338

Average Load Time

1.00sec

Links In Count

291

Website Value

$5,846

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 Website Safety

Overview

Last Updated: 12/26/2024

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.

SSL 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 Rank History

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

Centropa.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 14061

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

Last Update: 03/13/2024

#
# 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 Registration and Settings

WHOIS

WHOIS Lookup Tool

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 Check

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

Last tested: 11/07/2016

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 Insights

Last tested: 11/07/2016

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

Centropa.org Common Typos

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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 Overview

Centropa.org Rank Summary

Centropa.org Website Safety

Centropa.org Rank History

Centropa.org Hosting Information

Centropa.org Domain Registration and Settings

Centropa.org HTML Check

Centropa.org Desktop Performance

Centropa.org Mobile Insights

Centropa.org Similar Audits

Centropa.org Common Typos