iir.nl Website Information

Daily Unique Visits: 1,081

Daily Page Views: 2,162

Income Per Day: $7

Estimated Value: $1,680

iir.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 Amsio B.V.. See the full list of other websites hosted by Amsio B.V..

The highest website iir.nl position in Alexa rank database was 198351 and the lowest rank position was 989556. Current position of iir.nl in Alexa rank database is 663596.

Desktop speed score of iir.nl (72/100) is better than the results of 54.39% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of iir.nl (94/100) is better than the results of 36.81% of other sites and means that the page is mobile-friendly.

Mobile speed score of iir.nl (60/100) is better than the results of 54.7% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

iir.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.

iir.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: iir.nl
Status: active

Registrar:
Safenames LTD
Sunrise Parkway, Safenames House, Linford Wood
MK14 6LS MILTON KEYNES
United Kingdom of Great Britain & N Ireland

Abuse Contact:

Creation Date: 1994-11-20

Updated Date: 2022-10-25

DNSSEC: no

Domain nameservers:
bart.ns.cloudflare.com
hera.ns.cloudflare.com

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).

iir.nl server information

Servers Location

iir.nl desktop page speed rank

Last tested: 2017-05-13

Desktop Speed Medium

72/100

iir.nl Desktop Speed Test Quick Summary

priority - 22Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 219.2KiB (56% reduction).

Compressing and resizing http://iir.nl/wp-content/uploads/logo-PE.png could save 109.4KiB (92% reduction).
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Compressing and resizing http://iir.nl/wp-content/uploads/ORDE_PO_16.png could save 41.9KiB (98% reduction).
Compressing and resizing http://iir.nl/wp-content/uploads/ag.png could save 11KiB (97% reduction).
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Compressing http://iir.nl/wp-content/plugins/usernoise/images/ok.png could save 873B (82% reduction).

priority - 10Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 9 blocking script resources and 21 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://iir.nl/wp-content/themes/iir/lib/scripts/jq….11.3.min.js?ver=4.7.4
http://iir.nl/wp-content/plugins/usernoise/js/usernoise.js?ver=3.7.20
http://iir.nl/wp-content/plugins/usernoise/js/button.js?ver=3.7.20
http://iir.nl/wp-content/plugins/wp-support-plus/a…ersion=7.1.0&ver=4.7.4
http://iir.nl/wp-content/plugins/wp-support-plus/a…ersion=7.1.0&ver=4.7.4
http://iir.nl/wp-content/plugins/wp-support-plus/a…ersion=7.1.0&ver=4.7.4
http://iir.nl/wp-content/plugins/wp-support-plus/a…ersion=7.1.0&ver=4.7.4
http://iir.nl/wp-content/plugins/wp-support-plus/a…ersion=7.1.0&ver=4.7.4
http://iir.nl/wp-content/themes/iir/scripts.js?ver=2.01

Optimize CSS Delivery of the following:

http://iir.nl/wp-content/themes/iir/lib/styles/shortcodes.css?ver=1.3.0
http://iir.nl/wp-content/plugins/usernoise/css/button.css?ver=3.7.20
http://iir.nl/wp-content/plugins/usernoise/css/form.css?ver=3.7.20
http://iir.nl/wp-content/plugins/usernoise/vendor/…awesome.css?ver=3.7.20
http://iir.nl/wp-content/plugins/contact-form-7/in…css/styles.css?ver=4.7
http://iir.nl/wp-content/plugins/google-captcha/css/gglcptch.css?ver=1.27
http://iir.nl/wp-content/plugins/wp-support-plus/a…y-ui.min.css?ver=4.7.4
http://iir.nl/wp-content/plugins/wp-support-plus/a…ture.min.css?ver=4.7.4
http://iir.nl/wp-content/plugins/wp-support-plus/a…heme.min.css?ver=4.7.4
http://iir.nl/wp-content/plugins/wp-support-plus/a…ersion=7.1.0&ver=4.7.4
http://iir.nl/wp-content/plugins/wp-support-plus/a…ersion=7.1.0&ver=4.7.4
http://iir.nl/wp-content/plugins/wp-support-plus/a…ersion=7.1.0&ver=4.7.4
http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.…query-ui.css?ver=4.7.4
http://iir.nl/wp-content/themes/iir/lib/styles/fon…some.min.css?ver=4.7.4
http://iir.nl/wp-content/themes/iir/custom/lightslider.min.css?ver=4.7.4
http://iir.nl/wp-content/uploads/wRpFknBWpgWI/YSWYtUasGSwK.css?ver=2.1.0
http://iir.nl/wp-content/plugins/easy-fancybox/fan….8.min.css?ver=1.5.8.2
http://fonts.googleapis.com/css?family=PT+Sans:400,400italic,700
http://iir.nl/wp-content/themes/iir/lib/styles/lightslider.min.css
http://iir.nl/wp-content/themes/iir/application.min.css?ver=2.0
http://iir.nl/wp-content/themes/iir/next_gen_style.css

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:

https://snap.licdn.com/li.lms-analytics/insight.min.js (expiration not specified)
https://www.springest.nl/images/logo-springest-review-widget.png (expiration not specified)
https://www.springest.nl/images/widget/rating-bubble.png (expiration not specified)
https://www.springest.nl/images/widget/review-widget-background.png (expiration not specified)
http://secure.livechatinc.com/licence/6981241/get_…_lc_data_static_config (10 minutes)
http://secure.livechatinc.com/licence/6981241/loca…6ac.js?jsonp=__lc_lang (10 minutes)
http://www.googletagmanager.com/gtm.js?id=GTM-TGHMWD (15 minutes)
http://www.google-analytics.com/plugins/ua/linkid.js (60 minutes)
http://www.google-analytics.com/analytics.js (2 hours)

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 5.8KiB (24% reduction).

Minifying http://iir.nl/wp-content/uploads/wRpFknBWpgWI/ItlpHqijZXbO.js?ver=2.1.0 could save 1.9KiB (32% reduction) after compression.
Minifying http://iir.nl/wp-content/themes/iir/scripts.js?ver=2.01 could save 1.8KiB (24% reduction) after compression.
Minifying http://iir.nl/wp-content/themes/iir/reviewwidget.js could save 1.2KiB (18% reduction) after compression.
Minifying http://iir.nl/wp-content/plugins/wp-support-plus/a…ersion=7.1.0&ver=4.7.4 could save 983B (22% reduction) after compression.

priority - 1Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 6.7KiB (54% reduction).

Compressing http://iir.nl/wp-content/uploads/logo_iir.svg could save 4.1KiB (51% reduction).
Compressing https://www.springest.nl/iir-training/reviews.jsonp?id=275597 could save 1.9KiB (57% reduction).
Compressing http://iir.nl/wp-content/plugins/google-captcha/css/gglcptch.css?ver=1.27 could save 708B (64% reduction).

priority - 1Minify 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 4.1KiB (23% reduction).

Minifying http://iir.nl/wp-content/themes/iir/next_gen_style.css could save 1.5KiB (19% reduction) after compression.
Minifying http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.…query-ui.css?ver=4.7.4 could save 1.5KiB (26% reduction) after compression.
Minifying http://iir.nl/wp-content/plugins/usernoise/vendor/…awesome.css?ver=3.7.20 could save 1.1KiB (27% reduction) after compression.

priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 2.7KiB (19% reduction).

Minifying http://iir.nl/ could save 2.7KiB (19% reduction) after compression.

iir.nl Desktop Resource Breakdown

Total Resources	101
Number of Hosts	20
Static Resources	74
JavaScript Resources	37
CSS Resources	22

iir.nl mobile page speed rank

Last tested: 2017-04-28

Mobile Speed Bad

60/100

iir.nl Mobile Speed Test Quick Summary

priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 9 blocking script resources and 21 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 22Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 212KiB (56% reduction).

Compressing and resizing http://iir.nl/wp-content/uploads/logo-PE.png could save 113.1KiB (95% reduction).
Compressing http://iir.nl/wp-content/uploads/iir-homepage-header.jpg could save 54.2KiB (27% reduction).
Compressing and resizing http://iir.nl/wp-content/uploads/ORDE_PO_16.png could save 42KiB (98% reduction).
Compressing https://www.springest.nl/images/logo-springest-review-widget.png could save 994B (23% reduction).
Compressing https://www.springest.nl/images/widget/rating-bubble.png could save 950B (32% reduction).
Compressing http://iir.nl/wp-content/plugins/usernoise/images/ok.png could save 873B (82% reduction).

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://snap.licdn.com/li.lms-analytics/insight.min.js (expiration not specified)
https://www.springest.nl/images/logo-springest-review-widget.png (expiration not specified)
https://www.springest.nl/images/widget/rating-bubble.png (expiration not specified)
https://www.springest.nl/images/widget/review-widget-background.png (expiration not specified)
http://www.googletagmanager.com/gtm.js?id=GTM-TGHMWD (15 minutes)
http://www.google-analytics.com/plugins/ua/linkid.js (60 minutes)
http://www.google-analytics.com/analytics.js (2 hours)
http://cdn.livechatinc.com/tracking.js (2.4 hours)

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 5.8KiB (24% reduction).

priority - 1Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 6.7KiB (54% reduction).

Compressing http://iir.nl/wp-content/uploads/logo_iir.svg could save 4.1KiB (51% reduction).
Compressing https://www.springest.nl/iir-training/reviews.jsonp?id=246265 could save 1.9KiB (57% reduction).
Compressing http://iir.nl/wp-content/plugins/google-captcha/css/gglcptch.css?ver=1.27 could save 708B (64% reduction).

priority - 1Minify 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 4.1KiB (23% reduction).

priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 2.7KiB (19% reduction).

Minifying http://iir.nl/ could save 2.7KiB (19% reduction) after compression.

iir.nl Mobile Resource Breakdown

Total Resources	93
Number of Hosts	19
Static Resources	71
JavaScript Resources	33
CSS Resources	22

iir.nl mobile page usability

Last tested: 2017-04-28

Mobile Usability Good

94/100

iir.nl Mobile Usability Test Quick Summary

priority - 5Size 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="tel:020 - 580 54 00">020 - 580 54 00</a> and 22 others are close to other tap targets.

iir.nl HTML validation

Errors

Duplicate attribute “prefix”.

Line: 5 Column: - 91
"...="no-js" prefix="og: http://og..."

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

Line: 308 Column: 53 - 87
"...level="1"><div class="iir-sub-menu__wrapper"> <li ..." Line: 382 Column: 53 - 87
"...level="1"><div class="iir-sub-menu__wrapper"> <li ..."

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

Line: 345 Column: 1 - 5
"...ul> </li> </ul> </li>..." Line: 415 Column: 1 - 5
"...ul> </li> </ul> </li>..."

Unclosed element “div”.

Line: 308 Column: 53 - 87
"...level="1"><div class="iir-sub-menu__wrapper"> <li ..." Line: 382 Column: 53 - 87
"...level="1"><div class="iir-sub-menu__wrapper"> <li ..."

Duplicate ID “search-form”.

Line: 373 Column: 8 - 83
"..."> <form method="get" id="search-form" class="active" action="https://iir.nl/"> <di..."

Duplicate ID “s”.

Line: 375 Column: 5 - 90
"...<div> <input type="text" value="" name="s" id="s" placeholder="Waar bent u naar op zoek?" /> <..."

Duplicate ID “search-btn”.

Line: 376 Column: 5 - 57
"...?" /> <button type="submit" id="search-btn" value="Zoeken"><i cla..."

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

Line: 426 Column: 1 - 7
"...</header> <style> s..."

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

Line: 730 Column: 138 - 220
"...frame_32'>Dit iframe bevat de vereiste logica om Ajax aangedreven Gravity Forms te verwerken.</ifra..."

Duplicate ID “prev-step”.

Line: 935 Column: 21 - 43
"... <button id="prev-step">Vorige..."

Duplicate ID “next-step”.

Line: 936 Column: 21 - 62
"... <a href="" id="next-step" class="cta-btn">Volgen..."

Duplicate ID “footer-columns”.

Line: 947 Column: 13 - 37
"... <div id="footer-columns"> ..."

Bad value “tel:020 - 580 54 00” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Line: 961 Column: 43 - 72
"...s="phone"><a href="tel:020 - 580 54 00">020 - ..."

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

Line: 1003 Column: 1 - 180
"...v> </div> <img id="wpsp_front_popup_close_btn" onclick="wpsp_close_front_popup();" style="display: none;" src="https://iir.nl/wp-content/plugins/wp-support-plus/asset/images/close_btn.png"/> <img ..." Line: 1004 Column: 1 - 161
"...tn.png"/> <img id="wpsp_front_popup_loading_img" style="display: none;" src="https://iir.nl/wp-content/plugins/wp-support-plus/asset/images/ajax-loader@2x.gif?ver=7.1.0"/> <scr..."

The value of the “for” attribute of the “label” element must be the ID of a non-hidden form control.

Line: 715 Column: 616 - 662
"...visible' ><label class='gfield_label' for='input_32_23' >CAPTCH..."

Warnings

The “type” attribute is unnecessary for JavaScript resources.

Line: 47 Column: 1 - 52
"...p.com --> <script data-cfasync="false" type="text/javascript">//<![C..." Line: 98 Column: 1 - 31
"...='all' /> <script type='text/javascript'> /* <!..." Line: 103 Column: 1 - 132
"...</script> <script type='text/javascript' src='https://iir.nl/wp-content/plugins/wordpress-popular-posts/public/js/wpp-4.2.0.min.js?ver=4.2.2'></scri..." Line: 104 Column: 1 - 117
"...</script> <script type='text/javascript' src='https://iir.nl/wp-content/themes/iir/lib/scripts/jquery-2.11.3.min.js?ver=5.1.1'></scri..." Line: 105 Column: 1 - 155
"...</script> <script type='text/javascript' src='https://iir.nl/wp-content/plugins/wp-support-plus/asset/js/bootstrap/js/bootstrap.min.js?version=7.1.0&ver=5.1.1'></scri..." Line: 106 Column: 1 - 31
"...</script> <script type='text/javascript'> /* <!..." Line: 111 Column: 1 - 135
"...</script> <script type='text/javascript' src='https://iir.nl/wp-content/plugins/wp-support-plus/asset/js/public.js?version=7.1.0&ver=5.1.1'></scri..." Line: 112 Column: 1 - 149
"...</script> <script type='text/javascript' src='https://iir.nl/wp-content/plugins/wp-support-plus/asset/js/public_create_ticket.js?version=7.1.0&ver=5.1.1'></scri..." Line: 113 Column: 1 - 147
"...</script> <script type='text/javascript' src='https://iir.nl/wp-content/plugins/wp-support-plus/asset/lib/ckeditor/ckeditor.js?version=7.1.0&ver=5.1.1'></scri..." Line: 114 Column: 1 - 154
"...</script> <script type='text/javascript' src='https://iir.nl/wp-content/plugins/wp-support-plus/asset/lib/ckeditor/adapters/jquery.js?version=7.1.0&ver=5.1.1'></scri..." Line: 115 Column: 1 - 144
"...</script> <script type='text/javascript' src='https://iir.nl/wp-content/plugins/duracelltomi-google-tag-manager/js/gtm4wp-form-move-tracker.js?ver=1.9.2'></scri..." Line: 116 Column: 1 - 141
"...</script> <script type='text/javascript' src='https://iir.nl/wp-content/plugins/duracelltomi-google-tag-manager/js/gtm4wp-social-tracker.js?ver=1.9.2'></scri..." Line: 117 Column: 1 - 117
"...</script> <script type='text/javascript' src='https://iir.nl/wp-content/themes/iir/custom/jquery.matchHeight-min.js?ver=0.7.2'></scri..." Line: 118 Column: 1 - 104
"...</script> <script type='text/javascript' src='https://iir.nl/wp-content/themes/iir/custom/slick.min.js?ver=1.6.0'></scri..." Line: 122 Column: 1 - 31
"...endif]--> <script type='text/javascript'> /* <!..." Line: 127 Column: 1 - 95
"...</script> <script type='text/javascript' src='https://iir.nl/wp-content/themes/iir/scripts.js?ver=2.5.8'></scri..." Line: 128 Column: 1 - 31
"...</script> <script type='text/javascript'> /* <!..." Line: 133 Column: 1 - 121
"...</script> <script type='text/javascript' src='//iir.nl/wp-content/plugins/advanced-access-manager/media/js/aam-login.js?ver=5.1.1'></scri..." Line: 137 Column: 35 - 65
".../style> <script type="text/javascript"> ..." Line: 143 Column: 1 - 52
"...p.com --> <script data-cfasync="false" type="text/javascript">//<![C..." Line: 731 Column: 17 - 47
"... <script type='text/javascript'>jQuery..." Line: 731 Column: 2035 - 2065
"...;</script><script type='text/javascript'> jQuer..." Line: 733 Column: 135 - 165
"...;</script><script type='text/javascript'> jQuer..." Line: 1013 Column: 1 - 31
"...FORMS --> <script type="text/javascript"> jQue..." Line: 1104 Column: 1 - 100
"...='all' /> <script type='text/javascript' src='https://iir.nl/wp-includes/js/jquery/ui/core.min.js?ver=1.11.4'></scri..." Line: 1105 Column: 1 - 102
"...</script> <script type='text/javascript' src='https://iir.nl/wp-includes/js/jquery/ui/widget.min.js?ver=1.11.4'></scri..." Line: 1106 Column: 1 - 105
"...</script> <script type='text/javascript' src='https://iir.nl/wp-includes/js/jquery/ui/accordion.min.js?ver=1.11.4'></scri..." Line: 1107 Column: 1 - 106
"...</script> <script type='text/javascript' src='https://iir.nl/wp-includes/js/jquery/ui/datepicker.min.js?ver=1.11.4'></scri..." Line: 1108 Column: 1 - 31
"...</script> <script type='text/javascript'> jQuer..." Line: 1111 Column: 1 - 120
"...</script> <script type='text/javascript' src='https://iir.nl/wp-content/themes/iir/lib/scripts/modernizr.custom.min.js?ver=2.5.3'></scri..." Line: 1112 Column: 1 - 110
"...</script> <script type='text/javascript' src='https://iir.nl/wp-content/themes/iir/custom/lightslider.min.js?ver=2.5.3'></scri..." Line: 1113 Column: 1 - 114
"...</script> <script type='text/javascript' src='https://iir.nl/wp-content/plugins/easy-fancybox/js/jquery.fancybox.1.3.23.js'></scri..." Line: 1114 Column: 1 - 31
"...</script> <script type='text/javascript'> var f..." Line: 1130 Column: 1 - 116
"...</script> <script type='text/javascript' src='https://iir.nl/wp-content/plugins/easy-fancybox/js/jquery.mousewheel.3.1.13.js'></scri..." Line: 1131 Column: 1 - 132
"...</script> <script type='text/javascript' src='https://iir.nl/wp-content/plugins/complianz-gdpr/core/assets/js/cookieconsent.min.js?ver=3.1.2'></scri..." Line: 1132 Column: 1 - 31
"...</script> <script type='text/javascript'> /* <!..." Line: 1137 Column: 1 - 131
"...</script> <script type='text/javascript' src='https://iir.nl/wp-content/plugins/complianz-gdpr/core/assets/js/cookieconfig.min.js?ver=3.1.2'></scri..." Line: 1138 Column: 1 - 93
"...</script> <script type='text/javascript' src='https://iir.nl/wp-includes/js/wp-embed.min.js?ver=5.1.1'></scri..." Line: 1139 Column: 1 - 117
"...</script> <script type='text/javascript' src='https://iir.nl/wp-content/plugins/gravityforms/js/jquery.json.min.js?ver=2.4.14'></scri..." Line: 1140 Column: 1 - 31
"...</script> <script type='text/javascript'> /* <!..." Line: 1145 Column: 1 - 118
"...</script> <script type='text/javascript' src='https://iir.nl/wp-content/plugins/gravityforms/js/gravityforms.min.js?ver=2.4.14'></scri..." Line: 1146 Column: 1 - 125
"...</script> <script type='text/javascript' src='https://iir.nl/wp-content/plugins/gravityforms/js/placeholders.jquery.min.js?ver=2.4.14'></scri..." Line: 1148 Column: 17 - 80
"... <script type='text/javascript' class="cmplz-stats cmplz-native"> ..."

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

Line: 137 Column: 1 - 23
"...t=xml" /> <style type='text/css'></styl..." Line: 175 Column: 3 - 25
"...script> <style type="text/css">.recen..." Line: 176 Column: 5 - 46
"...tyle> <style type="text/css" id="wp-custom-css"> .b..."

The “banner” role is unnecessary for element “header”.

Line: 288 Column: 13 - 60
"... <header class="header iir-header" role="banner"> ..."

The first occurrence of ID “search-form” was here.

Line: 353 Column: 29 - 104
"... <form method="get" id="search-form" class="active" action="https://iir.nl/"> <di..."

The first occurrence of ID “s” was here.

Line: 355 Column: 5 - 90
"...<div> <input type="text" value="" name="s" id="s" placeholder="Waar bent u naar op zoek?" /> <..."

The first occurrence of ID “search-btn” was here.

Line: 356 Column: 5 - 57
"...?" /> <button type="submit" id="search-btn" value="Zoeken"><i cla..."

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Line: 293 Column: 13 - 45
"... <section class="iir-header__top"> ..." Line: 510 Column: 1 - 34
".../section> <section class="content centered"> <..." Line: 527 Column: 1 - 61
".../section> <section class="content grey centered" style="display:none;"> <..." Line: 550 Column: 15 - 53
"...ction> <section class="content grey centered"> ..." Line: 603 Column: 5 - 38
"...tion> <section class="content centered"> ..." Line: 645 Column: 1 - 39
".../section> <section class="content grey centered"> <..." Line: 690 Column: 1 - 34
".../section> <section class="content centered"> <..." Line: 750 Column: 17 - 66
"... <section class="options test-hardcoded-0-options"> ..." Line: 903 Column: 17 - 41
"... <section class="options"> ..." Line: 948 Column: 17 - 46
"... <section class="column first"> ..." Line: 966 Column: 17 - 47
"... <section class="column middle"> ..." Line: 979 Column: 17 - 45
"... <section class="column last"> ..."

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).

Line: 655 Column: 1 - 4
"...n</a></p> <h1>Opleid..."

The first occurrence of ID “prev-step” was here.

Line: 892 Column: 21 - 57
"... <button id="prev-step" class="first">Vorige..."

The first occurrence of ID “next-step” was here.

Line: 893 Column: 21 - 59
"... <button id="next-step" class="cta-btn">Volgen..."

The “contentinfo” role is unnecessary for element “footer”.

Line: 943 Column: 1 - 64
".../section> <footer class="footer content grey centered" role="contentinfo"> ..."

The first occurrence of ID “footer-columns” was here.

Line: 946 Column: 9 - 33
"...> <div id="footer-columns"> ..."

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iir.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.

iir.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.

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iir.nl desktop page speed rank

iir.nl Desktop Speed Test Quick Summary

priority - 22Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 219.2KiB (56% reduction).

priority - 10Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 9 blocking script resources and 21 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

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:

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 5.8KiB (24% reduction).

priority - 1Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 6.7KiB (54% reduction).

priority - 1Minify 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 4.1KiB (23% reduction).

priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 2.7KiB (19% reduction).

iir.nl Desktop Resource Breakdown

iir.nl mobile page speed rank

iir.nl Mobile Speed Test Quick Summary

priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 9 blocking script resources and 21 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 22Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 212KiB (56% reduction).

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:

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 5.8KiB (24% reduction).

priority - 1Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 6.7KiB (54% reduction).

priority - 1Minify 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 4.1KiB (23% reduction).

priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 2.7KiB (19% reduction).

iir.nl Mobile Resource Breakdown

iir.nl mobile page usability

iir.nl Mobile Usability Test Quick Summary

priority - 5Size 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.

iir.nl HTML validation

Errors

Duplicate attribute “prefix”.

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

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

Unclosed element “div”.

Duplicate ID “search-form”.

Duplicate ID “s”.

Duplicate ID “search-btn”.

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

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

Duplicate ID “prev-step”.

Duplicate ID “next-step”.

Duplicate ID “footer-columns”.

Bad value “tel:020 - 580 54 00” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

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

The value of the “for” attribute of the “label” element must be the ID of a non-hidden form control.

Warnings