Centerdata.nl Welkom | CentERdata.nl

Centerdata.nl Overview

Centerdata.nl belongs to CLOUDFLARENET - Cloudflare, Inc., US. Check the list of other websites hosted by CLOUDFLARENET - Cloudflare, Inc., US.

In terms of rank-to-traffic ratio, centerdata.nl has 1,669 unique users per day, viewing 3,372 pages. The rank based value of centerdata.nl is 2,595 USD. Every user makes 2.14 pageviews on average.

Centerdata.nl boasts a link base consisting of 236 referring domains and 257 external backlinks, as revealed by the data obtained from web network scanning.

Centerdata.nl top-level domain belongs to .NL domain zone. Check other webpages in .NL zone.

According the last verification test in August 13, 2020, centerdata.nl has an expired SSL certificate issued by TERENA (expired on September 16, 2021). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by TERENA.

Based on data from Google Safe Browsing and Symantec centerdata.nl is a fairly safe domain.

Based on Mobile-Friendly test by Google centerdata.nl is poorly optimized for mobile phones and tablets. Remember that optimizing your website design for mobile devices ensures that all of your web pages perform well on all devices, page loading speed can also be accelerated.

Centerdata.nl Website Safety

Overview

Last Updated: 12/27/2024

Unknown status.

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: 03/01/2024

centerdata.nl is safe.

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

Google Safe Search

Last Updated: 12/27/2024

Not yet checked.

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: 01/10/2019

centerdata.nl 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: 03/21/2021

centerdata.nl is safe.

McAfee assesses centerdata.nl 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 centerdata.nl for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 12/27/2024

centerdata.nl child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	www02.centerdata.nl
Issuer Organization	TERENA
Issuer	TERENA SSL CA 3
Algorithm	RSA-SHA256
Valid form	09/12/2019
Expiration	09/16/2021
Signed	Certificate is not self signed
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Centerdata.nl Rank History

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

Centerdata.nl Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 13335

ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Last Update: 03/29/2024

#
# 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: 13335
ASName: CLOUDFLARENET
ASHandle: AS13335
RegDate: 2010-07-14
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/autnum/13335

OrgName: Cloudflare, Inc.
OrgId: CLOUD14
Address: 101 Townsend Street
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2010-07-09
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/entity/CLOUD14

OrgTechHandle: ADMIN2521-ARIN
OrgTechName: Admin
OrgTechPhone: +1-650-319-8930
OrgTechEmail: rir@cloudflare.com
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-319-8930
OrgAbuseEmail: abuse@cloudflare.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

OrgNOCHandle: NOC11962-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-650-319-8930
OrgNOCEmail: noc@cloudflare.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RNOCHandle: NOC11962-ARIN
RNOCName: NOC
RNOCPhone: +1-650-319-8930
RNOCEmail: noc@cloudflare.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RTechHandle: ADMIN2521-ARIN
RTechName: Admin
RTechPhone: +1-650-319-8930
RTechEmail: rir@cloudflare.com
RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RAbuseHandle: ABUSE2916-ARIN
RAbuseName: Abuse
RAbusePhone: +1-650-319-8930
RAbuseEmail: abuse@cloudflare.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-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.
#

Centerdata.nl Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain name: centerdata.nl
Status: active

Registrar:
SURF B.V.
Moreelsepark 48
3511EP Utrecht
Netherlands

Abuse Contact:
+31.887873000
cert@surfcert.nl

Creation Date: 1999-10-22

Updated Date: 2020-05-20

DNSSEC: no

Domain nameservers:
ns1.surfnet.nl
ns2.surfnet.nl
ns3.surfnet.nl
ns1.zurich.surf.net

Record maintained by: SIDN BV

Copyright notice
No part of this publication may be reproduced, published, stored in a
retrieval system, or transmitted, in any form or by any means,
electronic, mechanical, recording, or otherwise, without prior
permission of SIDN.
These restrictions apply equally to registrars, except in that
reproductions and publications are permitted insofar as they are
reasonable, necessary and solely in the context of the registration
activities referred to in the General Terms and Conditions for .nl
Registrars.
Any use of this material for advertising, targeting commercial offers or
similar activities is explicitly forbidden and liable to result in legal
action. Anyone who is aware or suspects that such activities are taking
place is asked to inform SIDN.
(c) SIDN BV, Dutch Copyright Act, protection of authors' rights
(Section 10, subsection 1, clause 1).

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Centerdata.nl HTML Check

HTML Validation Tool

Errors

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.

CSS: “filter”: Parse Error.

CSS: Parse Error.

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

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

Duplicate ID “button”.

Stray end tag “font”.

End tag “div” seen, but there were open elements.

Unclosed element “span”.

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

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

Bad value “340px” for attribute “height” on element “iframe”: Expected a digit but saw “p” instead.

Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.

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

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

Duplicate ID “kernpunt-container”.

Duplicate ID “footer_first”.

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

The “type” attribute is unnecessary for JavaScript resources.

Consider avoiding viewport values that prevent users from resizing documents.

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

The first occurrence of ID “button” was here.

The first occurrence of ID “kernpunt-container” was here.

The first occurrence of ID “footer_first” was here.

Centerdata.nl Desktop Performance

Last tested: 04/09/2018

Desktop Speed

72%

Optimize images

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

Leverage browser caching

Minify JavaScript

Minify CSS

Desktop Resource Breakdown

Total Resources	60
Number of Hosts	8
Static Resources	51
JavaScript Resources	15
CSS Resources	9

Centerdata.nl Mobile Insights

Last tested: 04/09/2018

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

69%

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

Optimize images

Leverage browser caching

Minify JavaScript

Minify CSS

Mobile Resource Breakdown

Total Resources	61
Number of Hosts	8
Static Resources	52
JavaScript Resources	15
CSS Resources	9

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Centerdata.nl Welkom | CentERdata.nl

Centerdata.nl Overview

Centerdata.nl Website Safety

Centerdata.nl Rank History

Centerdata.nl Hosting Information

Centerdata.nl Domain Registration and Settings

Centerdata.nl HTML Check

Centerdata.nl Desktop Performance

Centerdata.nl Mobile Insights

Centerdata.nl Similar Audits

Centerdata.nl Common Typos