UTRECHTSUMMERSCHOOL.NL Homepage | Utrecht Summer School

utrechtsummerschool.nl Website Information

Daily Unique Visits: 3,847

Daily Page Views: 15,388

Income Per Day: $43

Estimated Value: $23,220

This website is located in Netherlands and is using following IP address 136.144.187.242. See the complete list of popular websites hosted in Netherlands.

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

Website utrechtsummerschool.nl is using the following name servers:

  • ns0.transip.net
  • ns2.transip.eu
  • ns1.transip.nl

and is probably hosted by Transip B.V.. See the full list of other websites hosted by Transip B.V..

The highest website utrechtsummerschool.nl position in Alexa rank database was 25240 and the lowest rank position was 999912. Current position of utrechtsummerschool.nl in Alexa rank database is 326219.

Desktop speed score of utrechtsummerschool.nl (54/100) is better than the results of 28.19% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of utrechtsummerschool.nl (99/100) is better than the results of 79.46% of other sites and means that the page is mobile-friendly.

Mobile speed score of utrechtsummerschool.nl (45/100) is better than the results of 25.64% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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utrechtsummerschool.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.


utrechtsummerschool.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: utrechtsummerschool.nl
Status: active

Reseller:
TransIP
Vondellaan 47
2332AA Leiden
Netherlands

Registrar:
team.blue nl B.V.
Vondellaan 47
2332AA Leiden
Netherlands

Abuse Contact:
abuse@nl.team.blue

DNSSEC: yes

Domain nameservers:
ns1.transip.nl
ns0.transip.net
ns2.transip.eu

Creation Date: 2005-10-14

Updated Date: 2021-11-27

Record maintained by: SIDN BV

utrechtsummerschool.nl server information

Servers Location

utrechtsummerschool.nl desktop page speed rank

Last tested: 2019-08-21


Desktop Speed Bad
54/100

utrechtsummerschool.nl Desktop Speed Test Quick Summary


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utrechtsummerschool.nl Desktop Resource Breakdown

Total Resources63
Number of Hosts17
Static Resources48
JavaScript Resources26
CSS Resources8

utrechtsummerschool.nl mobile page speed rank

Last tested: 2019-07-01


Mobile Speed Bad
45/100

utrechtsummerschool.nl Mobile Speed Test Quick Summary


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utrechtsummerschool.nl Mobile Resource Breakdown

Total Resources61
Number of Hosts18
Static Resources45
JavaScript Resources24
CSS Resources8

utrechtsummerschool.nl mobile page usability

Last tested: 2019-07-01


Mobile Usability Good
99/100

utrechtsummerschool.nl Mobile Usability Test Quick Summary


priority - 1Size 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 <div class="vp-controls">LIVE 0 00:000…Vimeo</div> and 1 others are close to other tap targets.
The tap target <div class="vp-controls">LIVE 0 00:000…Vimeo</div> is close to 1 other tap targets.
The tap target <div class="vp-controls">LIVE 0 00:000…Vimeo</div> is close to 1 other tap targets.
The tap target <div class="vp-controls">LIVE 0 00:000…Vimeo</div> is close to 1 other tap targets.
The tap target <button type="button" class="vp-prefs js-prefs"></button> is close to 1 other tap targets.
The tap target <button type="button" class="fullscreen"></button> is close to 1 other tap targets.
The tap target <a href="https://vimeo.com/137828990">Vimeo</a> is close to 2 other tap targets.
The tap target <div class="vp-sidedock">Like Add to…Later Share</div> is close to 1 other tap targets.
The tap target <button type="button" class="watch-later-button rounded-box"></button> is close to 1 other tap targets.
The tap target <div class="vp-nudge vp-nu…ward invisible"></div> is close to 1 other tap targets.

utrechtsummerschool.nl HTML validation

Errors

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

Line: 61 Column: 13 - 66
"... <img src="/images/logos/summerschool_transparent.png"> ..." Line: 282 Column: 13 - 65
"... <img src="/images/web_content/insta-button-dark.jpg"> ..." Line: 457 Column: 13 - 65
"... <img src="/images/web_content/insta-button-dark.jpg"> ..."

Duplicate attribute “class”.

Line: 261 Column: - 248
"...ibe-form" class="validate" tar..." Line: 436 Column: - 248
"...ibe-form" class="validate" tar..."

Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)

Line: 320 Column: - 18
"... <?xml version="1..." Line: 331 Column: - 18
"... <?xml version="1..." Line: 342 Column: - 18
"... <?xml version="1..." Line: 353 Column: - 18
"... <?xml version="1..." Line: 364 Column: - 18
"... <?xml version="1..." Line: 375 Column: - 18
"... <?xml version="1..." Line: 386 Column: - 18
"... <?xml version="1..." Line: 397 Column: - 18
"... <?xml version="1..." Line: 408 Column: - 18
"... <?xml version="1..."

Duplicate ID “Page-1”.

Line: 333 Column: 5 - 82
"...ink"> <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> ..." Line: 344 Column: 5 - 82
"...ink"> <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> ..." Line: 355 Column: 5 - 82
"...ink"> <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> ..." Line: 366 Column: 5 - 82
"...ink"> <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> ..." Line: 377 Column: 5 - 82
"...ink"> <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> ..." Line: 388 Column: 5 - 82
"...ink"> <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> ..." Line: 399 Column: 5 - 82
"...ink"> <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> ..." Line: 410 Column: 5 - 82
"...ink"> <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> ..."

Duplicate ID “Polygon”.

Line: 334 Column: 9 - 223
"...> <polygon id="Polygon" fill="#FFFFFF" fill-rule="nonzero" transform="translate(35.125000, 40.500000) rotate(-270.000000) translate(-35.125000, -40.500000) " points="35.125 5.625 75.3951813 75.375 -5.14518128 75.375"></poly..." Line: 345 Column: 9 - 223
"...> <polygon id="Polygon" fill="#FFFFFF" fill-rule="nonzero" transform="translate(35.125000, 40.500000) rotate(-270.000000) translate(-35.125000, -40.500000) " points="35.125 5.625 75.3951813 75.375 -5.14518128 75.375"></poly..." Line: 356 Column: 9 - 223
"...> <polygon id="Polygon" fill="#FFFFFF" fill-rule="nonzero" transform="translate(35.125000, 40.500000) rotate(-270.000000) translate(-35.125000, -40.500000) " points="35.125 5.625 75.3951813 75.375 -5.14518128 75.375"></poly..." Line: 367 Column: 9 - 223
"...> <polygon id="Polygon" fill="#FFFFFF" fill-rule="nonzero" transform="translate(35.125000, 40.500000) rotate(-270.000000) translate(-35.125000, -40.500000) " points="35.125 5.625 75.3951813 75.375 -5.14518128 75.375"></poly..." Line: 378 Column: 9 - 223
"...> <polygon id="Polygon" fill="#FFFFFF" fill-rule="nonzero" transform="translate(35.125000, 40.500000) rotate(-270.000000) translate(-35.125000, -40.500000) " points="35.125 5.625 75.3951813 75.375 -5.14518128 75.375"></poly..." Line: 389 Column: 9 - 223
"...> <polygon id="Polygon" fill="#FFFFFF" fill-rule="nonzero" transform="translate(35.125000, 40.500000) rotate(-270.000000) translate(-35.125000, -40.500000) " points="35.125 5.625 75.3951813 75.375 -5.14518128 75.375"></poly..." Line: 400 Column: 9 - 223
"...> <polygon id="Polygon" fill="#FFFFFF" fill-rule="nonzero" transform="translate(35.125000, 40.500000) rotate(-270.000000) translate(-35.125000, -40.500000) " points="35.125 5.625 75.3951813 75.375 -5.14518128 75.375"></poly..." Line: 411 Column: 9 - 223
"...> <polygon id="Polygon" fill="#FFFFFF" fill-rule="nonzero" transform="translate(35.125000, 40.500000) rotate(-270.000000) translate(-35.125000, -40.500000) " points="35.125 5.625 75.3951813 75.375 -5.14518128 75.375"></poly..."

Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.

Line: 421 Column: 9 - 99
"...> <iframe src="https://player.vimeo.com/video/137828990?title=0&amp;byline=0" webkitallowfullscreen="" mozallowfullscreen="" allowfullscreen="" width="100%" height="440" frameborder="0"></ifra..."

Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.

Line: 421 Column: 9 - 99
"...> <iframe src="https://player.vimeo.com/video/137828990?title=0&amp;byline=0" webkitallowfullscreen="" mozallowfullscreen="" allowfullscreen="" width="100%" height="440" frameborder="0"></ifra..."

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

Line: 421 Column: 9 - 99
"...> <iframe src="https://player.vimeo.com/video/137828990?title=0&amp;byline=0" webkitallowfullscreen="" mozallowfullscreen="" allowfullscreen="" width="100%" height="440" frameborder="0"></ifra..."

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

Line: 421 Column: 9 - 99
"...> <iframe src="https://player.vimeo.com/video/137828990?title=0&amp;byline=0" webkitallowfullscreen="" mozallowfullscreen="" allowfullscreen="" width="100%" height="440" frameborder="0"></ifra..."

Duplicate ID “searchbox_016680924829546379121:va2zsfox6pg”.

Line: 426 Column: 1 - 72
"...arch</h2> <form action="/search" id="searchbox_016680924829546379121:va2zsfox6pg"> <..."

Duplicate ID “mc_embed_signup”.

Line: 435 Column: 5 - 30
"...</h2> <div id="mc_embed_signup"> ..."

Duplicate ID “mc-embedded-subscribe-form”.

Line: 436 Column: 9 - 289
"...> <form class="sidebar-element--form" action="https://utrechtsummerschool.us2.list-manage.com/subscribe/post?u=aece098f8aa3d0b60a43bfa0d&amp;id=5309124d4a" method="post" id="mc-embedded-subscribe-form" name="mc-embedded-subscribe-form" class="validate" target="_blank" novalidate=""> ..."

Duplicate ID “mce-EMAIL”.

Line: 437 Column: 13 - 129
"... <input value="" name="EMAIL" class="form-control" id="mce-EMAIL" placeholder="email address" required="" type="text"> ..."

Duplicate ID “mc-embedded-subscribe”.

Line: 438 Column: 13 - 119
"... <input value="Subscribe" name="subscribe" id="mc-embedded-subscribe" class="btn btn-warning" type="submit"> ..."

Warnings

The first occurrence of ID “Page-1” was here.

Line: 322 Column: 5 - 82
"...ink"> <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> ..." Line: 322 Column: 5 - 82
"...ink"> <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> ..." Line: 322 Column: 5 - 82
"...ink"> <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> ..." Line: 322 Column: 5 - 82
"...ink"> <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> ..." Line: 322 Column: 5 - 82
"...ink"> <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> ..." Line: 322 Column: 5 - 82
"...ink"> <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> ..." Line: 322 Column: 5 - 82
"...ink"> <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> ..." Line: 322 Column: 5 - 82
"...ink"> <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> ..."

The first occurrence of ID “Polygon” was here.

Line: 323 Column: 9 - 223
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utrechtsummerschool.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.


utrechtsummerschool.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.