IHS.NL IHS, Institute for Housing and Urban Development Studies | Institute for Housing and Urban Development Studies | Erasmus University Rotterdam

ihs.nl Website Information

Daily Unique Visits: 2,200

Daily Page Views: 6,600

Income Per Day: $20

Estimated Value: $7,200

This website is located in Netherlands and is using following IP address 130.115.101.207. See the complete list of popular websites hosted in Netherlands.

ihs.nl is registered under .NL top-level domain. Please check other sites in .NL zone.

Website ihs.nl is using the following name servers:

  • ns2.surfnet.nl
  • ns1.zurich.surf.net
  • ns3.surfnet.nl
  • ns1.surfnet.nl

and is probably hosted by SURFnet bv. See the full list of other websites hosted by SURFnet bv.

The highest website ihs.nl position in Alexa rank database was 20010 and the lowest rank position was 999853. Current position of ihs.nl in Alexa rank database is 488910.

Desktop speed score of ihs.nl (61/100) is better than the results of 37.05% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of ihs.nl is unknown.

Mobile speed of ihs.nl is unknown.

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ihs.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.


ihs.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: ihs.nl
Status: active

Registrar:
Erasmus Universiteit Rotterdam
Burgemeester Oudlaan 50
3062PA Rotterdam
Netherlands

Abuse Contact:

Creation Date: 1996-01-22

Updated Date: 2018-07-25

DNSSEC: no

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

Record maintained by: NL Domain Registry

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 the Foundation for Internet Domain Registration in the
Netherlands (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 the Foundation for Internet Domain Registration
in the Netherlands.
(c) The Foundation for Internet Domain Registration in the Netherlands
(SIDN) Dutch Copyright Act, protection of authors' rights (Section 10,
subsection 1, clause 1).

ihs.nl server information

Servers Location

ihs.nl desktop page speed rank

Last tested: 2019-02-10


Desktop Speed Bad
61/100

ihs.nl Desktop Speed Test Quick Summary


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priority - 12Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 4 blocking script resources and 25 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://www.ihs.nl/sites/corporate/files/google_ta…e_tag.script.js?p7fbil
https://www.ihs.nl/sites/corporate/files/js/optimi…DlwioZbKeHM.js?v=8.5.1
https://www.ihs.nl/sites/corporate/files/js/optimi…Gj9QLB8hAVnaY.js?v=1.x
https://www.ihs.nl/sites/corporate/files/js/optimi…Ol6FjW8jnn0lE.js?v=1.x

Optimize CSS Delivery of the following:

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priority - 6Avoid landing page redirects

Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://ihs.nl/
https://www.ihs.nl/
https://www.ihs.nl//en
https://www.ihs.nl/en

priority - 2Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

99.8KiB of the HTML response was required to render the above-the-fold content. This requires 3 network round-trips. However, if the HTML response were compressed, then the HTML required to render the above-the-fold content could be delivered in just 2 network round-trips. Enable compression for the HTML response in order to prioritize the visible content for this page.

Only about 39% of the final above-the-fold content could be rendered with the HTML delivered within 2 round-trips.
Click to see the screenshot with 2 round trips:

priority - 1Leverage 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.googletagmanager.com/gtm.js?id=GTM-TGXDGTQ (15 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

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 914B (28% reduction).

Minifying https://www.ihs.nl/sites/corporate/files/css/optim…fYuxqP2-yhc.css?p7fbil could save 237B (79% reduction).
Minifying https://www.ihs.nl/sites/corporate/files/css/optim…d6-0bL8z29s.css?p7fbil could save 235B (21% reduction).
Minifying https://www.ihs.nl/sites/corporate/files/css/optim…V12xanFPZdg.css?p7fbil could save 221B (25% reduction).
Minifying https://www.ihs.nl/sites/corporate/files/css/optim…2FIHgjHN4fw.css?p7fbil could save 221B (23% reduction).

ihs.nl Desktop Resource Breakdown

Total Resources100
Number of Hosts6
Static Resources90
JavaScript Resources57
CSS Resources25

ihs.nl HTML validation

Errors

Attribute “xmlns:dc” not allowed here.

Line: 1 Column: 16 - 307
"...TYPE html><html lang="en" dir="ltr" xmlns:dc="http://purl.org/dc/terms/" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:product="http://ogp.me/ns/product#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#"><head>..."

Attribute “xmlns:og” not allowed here.

Line: 1 Column: 16 - 307
"...TYPE html><html lang="en" dir="ltr" xmlns:dc="http://purl.org/dc/terms/" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:product="http://ogp.me/ns/product#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#"><head>..."

Attribute “xmlns:article” not allowed here.

Line: 1 Column: 16 - 307
"...TYPE html><html lang="en" dir="ltr" xmlns:dc="http://purl.org/dc/terms/" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:product="http://ogp.me/ns/product#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#"><head>..."

Attribute “xmlns:book” not allowed here.

Line: 1 Column: 16 - 307
"...TYPE html><html lang="en" dir="ltr" xmlns:dc="http://purl.org/dc/terms/" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:product="http://ogp.me/ns/product#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#"><head>..."

Attribute “xmlns:product” not allowed here.

Line: 1 Column: 16 - 307
"...TYPE html><html lang="en" dir="ltr" xmlns:dc="http://purl.org/dc/terms/" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:product="http://ogp.me/ns/product#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#"><head>..."

Attribute “xmlns:profile” not allowed here.

Line: 1 Column: 16 - 307
"...TYPE html><html lang="en" dir="ltr" xmlns:dc="http://purl.org/dc/terms/" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:product="http://ogp.me/ns/product#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#"><head>..."

Attribute “xmlns:video” not allowed here.

Line: 1 Column: 16 - 307
"...TYPE html><html lang="en" dir="ltr" xmlns:dc="http://purl.org/dc/terms/" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:product="http://ogp.me/ns/product#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#"><head>..."

Bad value “revision” for attribute “rel” on element “link”: The string “revision” is not a registered keyword.

Line: 1 Column: 2263 - 2348
"....nl/en" /><link rel="revision" href="/en/ihs-institute-housing-and-urban-development-studies" /><scrip..."

Text not allowed in element “iframe” in this context.

Line: 1 Column: 14507 - 14524
"... Manager">Google Tag Manager</ifra..."

Attribute “href” not allowed on element “button” at this point.

Line: 1 Column: 91186 - 91360
"...-search"> <button id="searchButton" class="js-search-toggle collapsed" href="#searchBox" data-toggle="collapse" data-target="#searchBox" aria-expanded="false" aria-controls="searchBox"> <span..."

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

Line: 1 Column: 109053 - 109135
"...ta__item"><div class="field field--name-field-date field--type-datetime field--label-hidden"><time ..." Line: 1 Column: 110676 - 110758
"...ta__item"><div class="field field--name-field-date field--type-datetime field--label-hidden"><time ..." Line: 1 Column: 112883 - 112965
"...ta__item"><div class="field field--name-field-date field--type-datetime field--label-hidden"><time ..." Line: 1 Column: 115568 - 115661
"...ta__item"><div class="field field--name-field-start-end-date field--type-daterange field--label-hidden"><time ..." Line: 1 Column: 117750 - 117843
"...ta__item"><div class="field field--name-field-start-end-date field--type-daterange field--label-hidden"><time ..."

Bad value “navigation” for attribute “role” on element “ul”.

Line: 1 Column: 119626 - 119705
"...d__aside"><ul class="social__list" role="navigation" aria-labelledby="social-media-links"> <span..."

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

Line: 1 Column: 119707 - 119760
"...a-links"> <span id="social-media-links" class="visually-hidden">Social..."

Warnings

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

Line: 1 Column: 16 - 307
"...TYPE html><html lang="en" dir="ltr" xmlns:dc="http://purl.org/dc/terms/" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:product="http://ogp.me/ns/product#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#"><head>..."

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

Line: 1 Column: 16 - 307
"...TYPE html><html lang="en" dir="ltr" xmlns:dc="http://purl.org/dc/terms/" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:product="http://ogp.me/ns/product#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#"><head>..."

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

Line: 1 Column: 16 - 307
"...TYPE html><html lang="en" dir="ltr" xmlns:dc="http://purl.org/dc/terms/" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:product="http://ogp.me/ns/product#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#"><head>..."

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

Line: 1 Column: 16 - 307
"...TYPE html><html lang="en" dir="ltr" xmlns:dc="http://purl.org/dc/terms/" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:product="http://ogp.me/ns/product#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#"><head>..."

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

Line: 1 Column: 16 - 307
"...TYPE html><html lang="en" dir="ltr" xmlns:dc="http://purl.org/dc/terms/" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:product="http://ogp.me/ns/product#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#"><head>..."

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

Line: 1 Column: 16 - 307
"...TYPE html><html lang="en" dir="ltr" xmlns:dc="http://purl.org/dc/terms/" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:product="http://ogp.me/ns/product#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#"><head>..."

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

Line: 1 Column: 16 - 307
"...TYPE html><html lang="en" dir="ltr" xmlns:dc="http://purl.org/dc/terms/" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:product="http://ogp.me/ns/product#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#"><head>..."

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

Line: 1 Column: 23872 - 23987
"...primary"> <nav role="navigation" aria-labelledby="navigation-primary" id="block-navigationprimary" class="navigation-primary"><h2 cl..." Line: 1 Column: 121738 - 121822
"...-middle"> <nav class="navigation-footer" role="navigation" aria-labelledby="footer-navigation"><h2 id..."

The “article” role is unnecessary for element “article”.

Line: 1 Column: 94490 - 94599
"...content"> <article data-history-node-id="12006" role="article" class="node node--type-landingpage node--view-mode-full"><div c..."

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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.


ihs.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.