Centerdata.nl Welkom | CentERdata.nl

Centerdata.nl Quick Summary

Status

Offline

Server IP address resolved: No

Http response code: None

Last Checked: 11/15/2024

Centerdata.nl traffic estimate is about 1,622 unique visitors and 3,244 pageviews per day. The approximated value of centerdata.nl is 2,400 USD. Every unique visitor makes about 2 pageviews on average.

centerdata.nl is hosted by CLOUDFLARENET - Cloudflare, Inc., US. See the list of other websites hosted by CLOUDFLARENET - Cloudflare, Inc., US.

Centerdata.nl is registered under .NL top-level domain. Check other websites in .NL zone.

During the last check (August 13, 2020) centerdata.nl has an expired SSL certificate issued by TERENA (expired on September 16, 2021), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by TERENA.

In accordance with Google Safe Browsing and Symantec centerdata.nl is pretty a safe domain.

Relying on Google Mobile-Friendly test centerdata.nl isn't optimized for mobile and tablet devices. Designing your websites to be mobile friendly ensures that your pages perform well on all devices, also website page loading time may be improved.

Centerdata.nl General Information

Information not available

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Centerdata.nl Safety Information

Rankchart Summary

Unknown

Updated: 11/15/2024

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: 03/01/2024

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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

Not Checked

Updated: 11/15/2024

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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: 01/10/2019

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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: 03/21/2021

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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

Not Checked

Updated: 11/15/2024

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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.

Centerdata.nl SSL Information

Information about SSL/TLS certificates

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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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SSL Checker

Centerdata.nl Server Information

Centerdata.nl Server Location

Where website hosting server is located?

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Centerdata.nl ASN Information

Information about IP address owner

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ASN ID: 13335

ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Updated: 03/29/2024

Raw ASN data:

#
# 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.
#

Geolocation

ASN Lookup

Centerdata.nl Domain Name Information

Centerdata.nl DNS Information

Domain name service records

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A

Host	A Record	TTL

Centerdata.nl Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

Centerdata.nl HTML Validation

Centerdata.nl W3C HTML Markup Validation

HTML markup errors and warnings

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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.

HTML Validator

Centerdata.nl Desktop Performance

How Well Centerdata.nl Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

72%

Optimize images

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

Leverage browser caching

Minify JavaScript

Minify CSS

Updated: 04/09/2018

Centerdata.nl Mobile Performance

How Optimized Is Centerdata.nl for Mobile Devices?

Tips on speeding up mobile site performance

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Usability
Speed
Resource Breakdown

Usability

99%

Size tap targets appropriately

Updated: 04/09/2018

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

CSS	195.6 KBytes
Images	558.7 KBytes
HTML	210.6 KBytes
JavaScript	1.6 MBytes
Other	73.6 KBytes

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

CSS	195.8 KBytes
Images	559.3 KBytes
HTML	210.6 KBytes
JavaScript	1.6 MBytes
Other	48.1 KBytes