centerdata.nl Website Information
Daily Unique Visits: 869
Daily Page Views: 1,738
Income Per Day: $5
Estimated Value: $1,200
centerdata.nl is registered under .NL top-level domain. Please check other sites in .NL zone.
No name server records were found.
and is probably hosted by ML Consultancy. See the full list of other websites hosted by ML Consultancy.
The highest website centerdata.nl position in Alexa rank database was 29761 and the lowest rank position was 996343. Current position of centerdata.nl in Alexa rank database is 825612.
Desktop speed score of centerdata.nl (72/100) shows that the page desktop performance can be improved.
Mobile usability score of centerdata.nl (99/100) means that the page is mobile-friendly.
Mobile speed score of centerdata.nl (69/100) shows that the landing page performance on mobile devices is poor and can be improved.
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centerdata.nl Alexa Rank
The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.
centerdata.nl whois
WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.
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).
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).
centerdata.nl server information
Servers Location
centerdata.nl desktop page speed rank
Last tested: 2018-04-09
Desktop Speed
Medium
72/100
centerdata.nl Desktop Speed Test Quick Summary
priority - 24Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 237.7KiB (72% reduction).
Compressing and resizing https://www.centerdata.nl/sites/default/files/pika/co.jpg could save 167KiB (79% reduction).
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Compressing https://www.centerdata.nl/sites/default/files/afbe…beeldmerk_rgb32-50.png could save 3.2KiB (81% reduction).
Compressing https://www.centerdata.nl/sites/all/themes/pika/images/large_right.png could save 3KiB (85% reduction).
Compressing https://www.centerdata.nl/sites/all/themes/pika/images/large_left.png could save 3KiB (85% reduction).
Compressing https://www.centerdata.nl/sites/all/themes/pika/im…/clients_h2_bottom.png could save 838B (86% reduction).
Compressing https://www.centerdata.nl/sites/all/themes/pika/images/split-shadow.png could save 697B (57% reduction).
priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 4 blocking script resources and 8 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
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Optimize CSS Delivery of the following:
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https://fonts.googleapis.com/css?family=Open+Sans:…greek-ext,cyrillic-ext
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priority - 4Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
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priority - 1Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 6.6KiB (13% reduction).
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priority - 0Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 1.8KiB (49% reduction).
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centerdata.nl Desktop Resource Breakdown
| Total Resources | 60 |
| Number of Hosts | 8 |
| Static Resources | 51 |
| JavaScript Resources | 15 |
| CSS Resources | 9 |
centerdata.nl mobile page speed rank
Last tested: 2018-04-09
Mobile Speed
Medium
69/100
centerdata.nl Mobile Speed Test Quick Summary
priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 4 blocking script resources and 8 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://www.centerdata.nl/sites/default/files/js/j…RUb64rpaUDpB4Y9aklU.js
https://www.centerdata.nl/sites/default/files/js/j…0lrZtgX-ono8RVOUEVc.js
https://www.centerdata.nl/sites/default/files/js/j…0rFKZcnPmShXJlpz5Y8.js
https://www.centerdata.nl/sites/default/files/js/j…BKKG1aLbWmYQd7W_WTo.js
https://www.centerdata.nl/sites/default/files/js/j…0lrZtgX-ono8RVOUEVc.js
https://www.centerdata.nl/sites/default/files/js/j…0rFKZcnPmShXJlpz5Y8.js
https://www.centerdata.nl/sites/default/files/js/j…BKKG1aLbWmYQd7W_WTo.js
Optimize CSS Delivery of the following:
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https://www.centerdata.nl/sites/default/files/css/…xRDAfz9mB4ncM8ul4E.css
https://www.centerdata.nl/sites/default/files/css/…Qip24Nm39CNPZRJnCA.css
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https://www.centerdata.nl/sites/default/files/css/…tSp7FVnvW57nVdMT20.css
https://fonts.googleapis.com/css?family=Open+Sans:…greek-ext,cyrillic-ext
https://fonts.googleapis.com/css?family=Open+Sans:…greek-ext,cyrillic-ext
https://fonts.googleapis.com/css?family=Open+Sans:…greek-ext,cyrillic-ext
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https://fonts.googleapis.com/css?family=Open+Sans:…greek-ext,cyrillic-ext
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priority - 7Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 70.6KiB (59% reduction).
Compressing https://www.centerdata.nl/sites/default/files/afbeeldingen/nwo_logo_70h.jpg could save 21.1KiB (82% reduction).
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priority - 6Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
https://www.gstatic.com/charts/45.2/css/core/tooltip.css (60 minutes)
https://www.gstatic.com/charts/45.2/css/util/util.css (60 minutes)
https://www.gstatic.com/charts/45.2/js/jsapi_compiled_corechart_module.js (60 minutes)
https://www.gstatic.com/charts/45.2/js/jsapi_compiled_default_module.js (60 minutes)
https://www.gstatic.com/charts/45.2/js/jsapi_compiled_format_module.js (60 minutes)
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https://www.gstatic.com/charts/45.2/css/util/util.css (60 minutes)
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https://www.gstatic.com/charts/45.2/js/jsapi_compiled_format_module.js (60 minutes)
https://www.gstatic.com/charts/45.2/js/jsapi_compiled_ui_module.js (60 minutes)
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priority - 1Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 6.6KiB (13% reduction).
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Minifying https://www.centerdata.nl/data_science/graph.js could save 272B (21% reduction) after compression.
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Minifying https://www.centerdata.nl/data_science/graph.js could save 272B (21% reduction) after compression.
Minifying https://www.centerdata.nl/sites/default/files/js/j…0lrZtgX-ono8RVOUEVc.js could save 245B (50% reduction) after compression.
priority - 0Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 1.8KiB (49% reduction).
Minifying https://www.gstatic.com/charts/45.2/css/util/util.css could save 1.7KiB (53% reduction) after compression.
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centerdata.nl Mobile Resource Breakdown
| Total Resources | 61 |
| Number of Hosts | 8 |
| Static Resources | 52 |
| JavaScript Resources | 15 |
| CSS Resources | 9 |
centerdata.nl mobile page usability
Last tested: 2018-04-09
Mobile Usability
Good
99/100
centerdata.nl Mobile Usability Test Quick Summary
priority - 0Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
The tap target
<a href="/nl/nieuws">Nieuws</a> and 2 others are close to other tap targets.The tap target
<a href="https://nl.lin…any/centerdata"></a> is close to 2 other tap targets.centerdata.nl HTML validation
Errors
Attribute “xmlns:content” not allowed here.
Line: 11 Column: 16 - 48
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
Attribute “xmlns:dc” not allowed here.
Line: 11 Column: 16 - 48
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
Attribute “xmlns:foaf” not allowed here.
Line: 11 Column: 16 - 48
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
Attribute “xmlns:og” not allowed here.
Line: 11 Column: 16 - 48
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
Attribute “xmlns:rdfs” not allowed here.
Line: 11 Column: 16 - 48
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
Attribute “xmlns:sioc” not allowed here.
Line: 11 Column: 16 - 48
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
Attribute “xmlns:sioct” not allowed here.
Line: 11 Column: 16 - 48
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
Attribute “xmlns:skos” not allowed here.
Line: 11 Column: 16 - 48
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
Attribute “xmlns:xsd” not allowed here.
Line: 11 Column: 16 - 48
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
CSS: “filter”: Parse Error.
Line: 26 Column: - 133
"...pha(opacity = 1);background-co..."
"...pha(opacity = 1);background-co..."
CSS: Parse Error.
Line: 36 Column: - 215
"...3, .ch-info p a, {font-family..."
"...3, .ch-info p a, {font-family..."
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
Line: 183 Column: 67 - 116
"...en first"><a href="/en" class="language-link" xml:lang="en"><img c..." Line: 184 Column: 28 - 84
"...t active"><a href="/nl" class="language-link active" xml:lang="nl"><img c..."
"...en first"><a href="/en" class="language-link" xml:lang="en"><img c..." Line: 184 Column: 28 - 84
"...t active"><a href="/nl" class="language-link active" xml:lang="nl"><img c..."
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Line: 268 Column: 156 - 235
"...ed="300" ><img src='https://www.centerdata.nl/sites/default/files/pika/nieuw_gebouw.jpg'/><div c..." Line: 270 Column: 450 - 528
"...ed="300" ><img src='https://www.centerdata.nl/sites/default/files/pika/kruispunt_3.jpg'/><div c..." Line: 275 Column: 492 - 561
"...ed="300" ><img src='https://www.centerdata.nl/sites/default/files/pika/co.jpg'/><div c..."
"...ed="300" ><img src='https://www.centerdata.nl/sites/default/files/pika/nieuw_gebouw.jpg'/><div c..." Line: 270 Column: 450 - 528
"...ed="300" ><img src='https://www.centerdata.nl/sites/default/files/pika/kruispunt_3.jpg'/><div c..." Line: 275 Column: 492 - 561
"...ed="300" ><img src='https://www.centerdata.nl/sites/default/files/pika/co.jpg'/><div c..."
Duplicate ID “button”.
Line: 275 Column: 153 - 349
"...ndex:0" ><a href="https://www.centerdata.nl/nl/projecten-van-centerdata/tijdelijke-blijheidsscore-van-nederlandse-tweets" id="button" class="pretty medium success btn" style="cursor:pointer; color: White;"> ..."
"...ndex:0" ><a href="https://www.centerdata.nl/nl/projecten-van-centerdata/tijdelijke-blijheidsscore-van-nederlandse-tweets" id="button" class="pretty medium success btn" style="cursor:pointer; color: White;"> ..."
Stray end tag “font”.
Line: 280 Column: 33 - 39
"...onsumenten</font></div>..."
"...onsumenten</font></div>..."
End tag “div” seen, but there were open elements.
Line: 280 Column: 40 - 45
"...ten</font></div></li><..."
"...ten</font></div></li><..."
Unclosed element “span”.
Line: 275 Column: 1081 - 1131
"...ndex:0" ><span style="font-size: 18px; line-height: 1.2em;">Ons <a..."
"...ndex:0" ><span style="font-size: 18px; line-height: 1.2em;">Ons <a..."
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Line: 342 Column: 1 - 7
"... <style> /* #..." Line: 482 Column: 1 - 7
"... <style> /* #..."
"... <style> /* #..." Line: 482 Column: 1 - 7
"... <style> /* #..."
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Line: 357 Column: 11 - 54
"... <a href="/nl/vragenlijst-en-panelonderzoek"><div c..." Line: 363 Column: 11 - 47
"... <a href="/nl/software-apps-websites"><div c..." Line: 369 Column: 11 - 50
"... <a href="/nl/sociale-zekerheid-en-zorg"><div c..." Line: 375 Column: 11 - 53
"... <a href="/nl/ramingen-en-prognosemodellen"><div c..." Line: 381 Column: 11 - 50
"... <a href="/nl/onderwijs-en-arbeidsmarkt"><div c..." Line: 387 Column: 11 - 52
"... <a href="/nl/innovatieve-dataverzameling"><div c..." Line: 393 Column: 11 - 57
"... <a href="/nl/datainfrastructuur-en-management"><div c..." Line: 399 Column: 11 - 51
"... <a href="/nl/data-analyse-en-rapportage"><div c..." Line: 405 Column: 11 - 37
"... <a href="/nl/data-science"><div c..." Line: 411 Column: 11 - 45
"... <a href="/nl/consumentenonderzoek"><div c..." Line: 497 Column: 11 - 90
"... <a href="/nl/projecten-van-centerdata/eu-energielabels-ruimte-voor-verbetering"><div c..." Line: 503 Column: 11 - 73
"... <a href="/nl/projecten-van-centerdata/food-and-sustainability"><div c..." Line: 509 Column: 11 - 59
"... <a href="/nl/projecten-van-centerdata/happyhier"><div c..." Line: 515 Column: 11 - 57
"... <a href="/nl/projecten-van-centerdata/euromod"><div c..."
"... <a href="/nl/vragenlijst-en-panelonderzoek"><div c..." Line: 363 Column: 11 - 47
"... <a href="/nl/software-apps-websites"><div c..." Line: 369 Column: 11 - 50
"... <a href="/nl/sociale-zekerheid-en-zorg"><div c..." Line: 375 Column: 11 - 53
"... <a href="/nl/ramingen-en-prognosemodellen"><div c..." Line: 381 Column: 11 - 50
"... <a href="/nl/onderwijs-en-arbeidsmarkt"><div c..." Line: 387 Column: 11 - 52
"... <a href="/nl/innovatieve-dataverzameling"><div c..." Line: 393 Column: 11 - 57
"... <a href="/nl/datainfrastructuur-en-management"><div c..." Line: 399 Column: 11 - 51
"... <a href="/nl/data-analyse-en-rapportage"><div c..." Line: 405 Column: 11 - 37
"... <a href="/nl/data-science"><div c..." Line: 411 Column: 11 - 45
"... <a href="/nl/consumentenonderzoek"><div c..." Line: 497 Column: 11 - 90
"... <a href="/nl/projecten-van-centerdata/eu-energielabels-ruimte-voor-verbetering"><div c..." Line: 503 Column: 11 - 73
"... <a href="/nl/projecten-van-centerdata/food-and-sustainability"><div c..." Line: 509 Column: 11 - 59
"... <a href="/nl/projecten-van-centerdata/happyhier"><div c..." Line: 515 Column: 11 - 57
"... <a href="/nl/projecten-van-centerdata/euromod"><div c..."
Bad value “340px” for attribute “height” on element “iframe”: Expected a digit but saw “p” instead.
Line: 451 Column: 8 - 105
"...> <p><iframe frameborder="0" height="340px" scrolling="no" src="/data_science/index.html" width="100%"></ifra..."
"...> <p><iframe frameborder="0" height="340px" scrolling="no" src="/data_science/index.html" width="100%"></ifra..."
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Line: 451 Column: 8 - 105
"...> <p><iframe frameborder="0" height="340px" scrolling="no" src="/data_science/index.html" width="100%"></ifra..."
"...> <p><iframe frameborder="0" height="340px" scrolling="no" src="/data_science/index.html" width="100%"></ifra..."
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Line: 451 Column: 8 - 105
"...> <p><iframe frameborder="0" height="340px" scrolling="no" src="/data_science/index.html" width="100%"></ifra..."
"...> <p><iframe frameborder="0" height="340px" scrolling="no" src="/data_science/index.html" width="100%"></ifra..."
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Line: 451 Column: 8 - 105
"...> <p><iframe frameborder="0" height="340px" scrolling="no" src="/data_science/index.html" width="100%"></ifra..."
"...> <p><iframe frameborder="0" height="340px" scrolling="no" src="/data_science/index.html" width="100%"></ifra..."
Duplicate ID “kernpunt-container”.
Line: 492 Column: 5 - 33
"...row"> <div id="kernpunt-container"> ..."
"...row"> <div id="kernpunt-container"> ..."
Duplicate ID “footer_first”.
Line: 713 Column: 31 - 75
"... <div id="footer_first" class="three columns"><div c..." Line: 742 Column: 31 - 75
"... <div id="footer_first" class="three columns"><div c..." Line: 773 Column: 31 - 75
"... <div id="footer_first" class="three columns"><div c..."
"... <div id="footer_first" class="three columns"><div c..." Line: 742 Column: 31 - 75
"... <div id="footer_first" class="three columns"><div c..." Line: 773 Column: 31 - 75
"... <div id="footer_first" class="three columns"><div c..."
Warnings
Attribute with the local name “xmlns:content” is not serializable as XML 1.0.
Line: 11 Column: 16 - 48
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
Attribute with the local name “xmlns:dc” is not serializable as XML 1.0.
Line: 11 Column: 16 - 48
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
Attribute with the local name “xmlns:foaf” is not serializable as XML 1.0.
Line: 11 Column: 16 - 48
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
Line: 11 Column: 16 - 48
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
Attribute with the local name “xmlns:rdfs” is not serializable as XML 1.0.
Line: 11 Column: 16 - 48
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
Attribute with the local name “xmlns:sioc” is not serializable as XML 1.0.
Line: 11 Column: 16 - 48
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
Attribute with the local name “xmlns:sioct” is not serializable as XML 1.0.
Line: 11 Column: 16 - 48
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
Attribute with the local name “xmlns:skos” is not serializable as XML 1.0.
Line: 11 Column: 16 - 48
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
Attribute with the local name “xmlns:xsd” is not serializable as XML 1.0.
Line: 11 Column: 16 - 48
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
"...TYPE html> <html class="no-js" lang="nl" dir="ltr" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/terms/" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:og="http://ogp.me/ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:sioc="http://rdfs.org/sioc/ns#" xmlns:sioct="http://rdfs.org/sioc/types#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#"> <head..."
The “type” attribute for the “style” element is not needed and should be omitted.
Line: 24 Column: 1 - 35
"...="all" /> <style type="text/css" media="all"> <!--/..." Line: 32 Column: 1 - 23
"...="all" /> <style type="text/css"> @impo..."
"...="all" /> <style type="text/css" media="all"> <!--/..." Line: 32 Column: 1 - 23
"...="all" /> <style type="text/css"> @impo..."
The “type” attribute is unnecessary for JavaScript resources.
Line: 92 Column: 4 - 100
"...t>--> <script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></scri..." Line: 93 Column: 1 - 31
"...</script> <script type="text/javascript"> <!--/..." Line: 98 Column: 1 - 136
"...</script> <script type="text/javascript" src="https://www.centerdata.nl/sites/default/files/js/js_uJR3Qfgc-bGacxkh36HU9Xm2Q98e_V5UWlFISwie5ro.js"></scri..." Line: 99 Column: 1 - 136
"...</script> <script type="text/javascript" src="https://www.centerdata.nl/sites/default/files/js/js_R9UbiVw2xuTUI0GZoaqMDOdX0lrZtgX-ono8RVOUEVc.js"></scri..." Line: 100 Column: 1 - 136
"...</script> <script type="text/javascript" src="https://www.centerdata.nl/sites/default/files/js/js_YiAEarvrubEqIwmbmWlhPlDThSCMrn5ZrmobFl-ghsE.js"></scri..." Line: 101 Column: 1 - 31
"...</script> <script type="text/javascript"> <!--/..." Line: 106 Column: 1 - 31
"...</script> <script type="text/javascript"> <!--/..." Line: 129 Column: 1 - 31
"...</script> <script type="text/javascript"> <!--/..." Line: 134 Column: 1 - 31
"...</script> <script type="text/javascript"> <!--/..." Line: 139 Column: 1 - 136
"...</script> <script type="text/javascript" src="https://www.centerdata.nl/sites/default/files/js/js_PAmv5SGkU2R6lzKUq2aTHJWI6W13vdzdDeebClZKK5U.js"></scri..." Line: 140 Column: 1 - 31
"...</script> <script type="text/javascript"> <!--/..." Line: 807 Column: 2 - 32
"...> </div> <script type="text/javascript"> <!--/..."
"...t>--> <script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></scri..." Line: 93 Column: 1 - 31
"...</script> <script type="text/javascript"> <!--/..." Line: 98 Column: 1 - 136
"...</script> <script type="text/javascript" src="https://www.centerdata.nl/sites/default/files/js/js_uJR3Qfgc-bGacxkh36HU9Xm2Q98e_V5UWlFISwie5ro.js"></scri..." Line: 99 Column: 1 - 136
"...</script> <script type="text/javascript" src="https://www.centerdata.nl/sites/default/files/js/js_R9UbiVw2xuTUI0GZoaqMDOdX0lrZtgX-ono8RVOUEVc.js"></scri..." Line: 100 Column: 1 - 136
"...</script> <script type="text/javascript" src="https://www.centerdata.nl/sites/default/files/js/js_YiAEarvrubEqIwmbmWlhPlDThSCMrn5ZrmobFl-ghsE.js"></scri..." Line: 101 Column: 1 - 31
"...</script> <script type="text/javascript"> <!--/..." Line: 106 Column: 1 - 31
"...</script> <script type="text/javascript"> <!--/..." Line: 129 Column: 1 - 31
"...</script> <script type="text/javascript"> <!--/..." Line: 134 Column: 1 - 31
"...</script> <script type="text/javascript"> <!--/..." Line: 139 Column: 1 - 136
"...</script> <script type="text/javascript" src="https://www.centerdata.nl/sites/default/files/js/js_PAmv5SGkU2R6lzKUq2aTHJWI6W13vdzdDeebClZKK5U.js"></scri..." Line: 140 Column: 1 - 31
"...</script> <script type="text/javascript"> <!--/..." Line: 807 Column: 2 - 32
"...> </div> <script type="text/javascript"> <!--/..."
Consider avoiding viewport values that prevent users from resizing documents.
Line: 160 Column: 1 - 106
"...</script> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"> <!--..."
"...</script> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"> <!--..."
The “navigation” role is unnecessary for element “nav”.
Line: 252 Column: 7 - 45
"...iv> <nav id="navigation" role="navigation"> ..."
"...iv> <nav id="navigation" role="navigation"> ..."
The first occurrence of ID “button” was here.
Line: 270 Column: 240 - 314
"...ndex:1" ><div id="button" class="pretty medium success btn" style="cursor:pointer;"> ..."
"...ndex:1" ><div id="button" class="pretty medium success btn" style="cursor:pointer;"> ..."
The first occurrence of ID “kernpunt-container” was here.
Line: 352 Column: 5 - 33
"...row"> <div id="kernpunt-container"> ..."
"...row"> <div id="kernpunt-container"> ..."
The first occurrence of ID “footer_first” was here.
Line: 684 Column: 21 - 65
"... <div id="footer_first" class="three columns"><div c..." Line: 684 Column: 21 - 65
"... <div id="footer_first" class="three columns"><div c..." Line: 684 Column: 21 - 65
"... <div id="footer_first" class="three columns"><div c..."
"... <div id="footer_first" class="three columns"><div c..." Line: 684 Column: 21 - 65
"... <div id="footer_first" class="three columns"><div c..." Line: 684 Column: 21 - 65
"... <div id="footer_first" class="three columns"><div c..."
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centerdata.nl Ping
Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.
centerdata.nl TRACEROUTE
Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.