SUMMACOLLEGE.NL Home | Summa College

summacollege.nl Website Information

Daily Unique Visits: 5,116

Daily Page Views: 20,464

Income Per Day: $57

Estimated Value: $30,780

This website is located in Netherlands and is using following IP address 213.206.90.212. See the complete list of popular websites hosted in Netherlands.

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

Website summacollege.nl is using the following name servers:

  • ns3.surfnet.nl
  • ns1.zurich.surf.net
  • ns2.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 summacollege.nl position in Alexa rank database was 49765 and the lowest rank position was 993404. Current position of summacollege.nl in Alexa rank database is 245307.

Desktop speed score of summacollege.nl (84/100) is better than the results of 78.07% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of summacollege.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 summacollege.nl (59/100) is better than the results of 52.41% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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summacollege.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.


summacollege.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: summacollege.nl
Status: active

Registrar:
Hostnet B.V.
De Ruijterkade 6
1013AA Amsterdam
Netherlands

Abuse Contact:
+31.207500800
abuse@hostnet.nl

Creation Date: 2011-12-05

Updated Date: 2019-10-22

DNSSEC: yes

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

Record maintained by: NL Domain Registry

Copyright notice
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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
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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
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subsection 1, clause 1).

summacollege.nl server information

Servers Location

summacollege.nl desktop page speed rank

Last tested: 2018-02-06


Desktop Speed Medium
84/100

summacollege.nl Desktop Speed Test Quick Summary


priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 4 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://www.summacollege.nl/ScriptResource.axd?d=4…_70&t=ffffffffbf499bb3
https://www.summacollege.nl/ScriptResource.axd?d=E…130&t=ffffffffbf499bb3
https://www.summacollege.nl/ScriptResource.axd?d=4…_70&t=ffffffffbf499bb3
https://www.summacollege.nl/ScriptResource.axd?d=E…130&t=ffffffffbf499bb3

Optimize CSS Delivery of the following:

https://www.summacollege.nl/App_Themes/Summa/dist/…s?v=636461880624923353

priority - 5Optimize images

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

Optimize the following images to reduce their size by 44.2KiB (24% reduction).

Compressing https://www.summacollege.nl/images/default-source/….jpg?sfvrsn=16494685_2 could save 37.3KiB (26% reduction).
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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:

https://m.addthisedge.com/live/boost/ra-582082e224…_ate.track.config_resp (60 seconds)
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https://www.googleadservices.com/pagead/conversion_async.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

priority - 0Enable compression

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summacollege.nl Desktop Resource Breakdown

Total Resources52
Number of Hosts22
Static Resources32
JavaScript Resources21
CSS Resources1

summacollege.nl mobile page speed rank

Last tested: 2018-08-08


Mobile Speed Bad
59/100

summacollege.nl Mobile Speed Test Quick Summary


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

Your page has 3 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://code.jquery.com/jquery-1.12.4.min.js
https://www.summacollege.nl/ScriptResource.axd?d=4…fV7Y_Y7i_70&t=1d084ecf
https://www.summacollege.nl/ScriptResource.axd?d=E…ubVl12mx130&t=1d084ecf

Optimize CSS Delivery of the following:

https://www.summacollege.nl/App_Themes/Summa/dist/…s?v=636669952780000000

priority - 27Optimize images

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

Optimize the following images to reduce their size by 260.4KiB (27% reduction).

Compressing https://www.summacollege.nl/images/default-source/….jpg?sfvrsn=3f894085_4 could save 174.7KiB (36% reduction).
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priority - 7Leverage 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://m.addthisedge.com/live/boost/ra-582082e224…_ate.track.config_resp (57 seconds)
https://static.hotjar.com/c/hotjar-391885.js?sv=5 (60 seconds)
https://s7.addthis.com/js/300/addthis_widget.js (10 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-P2BVDR (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/120627…1691?v=2.8.24&r=stable (20 minutes)
https://connect.facebook.net/signals/config/150652…5936?v=2.8.24&r=stable (20 minutes)
https://connect.facebook.net/signals/plugins/identity.js?v=2.8.24 (20 minutes)
https://www.googleadservices.com/pagead/conversion_async.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

priority - 0Enable 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 367B (43% reduction).

Compressing https://www.youtube.com/iframe_api could save 367B (43% reduction).

summacollege.nl Mobile Resource Breakdown

Total Resources57
Number of Hosts24
Static Resources38
JavaScript Resources23
CSS Resources1

summacollege.nl mobile page usability

Last tested: 2018-08-08


Mobile Usability Good
99/100

summacollege.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 <li id="slick-slide00" class="slick-active">1</li> and 3 others are close to other tap targets.

The tap target <button type="button">2</button> and 5 others are close to other tap targets.

The tap target <a href="/student/ziekmelden-verlof">Kijk hier</a> is close to 1 other tap targets.
The tap target <a href="/over-deze-website/colofon" class="h4">Colofon</a> and 2 others are close to other tap targets.

summacollege.nl HTML validation

Errors

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

Line: 16 Column: 9 - 72
"...# --> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" /> <meta..."

The element “header” must not appear as a descendant of the “header” element.

Line: 54 Column: 1 - 73
"... </div> <header class="header header-login is--fixed collapse" id="header-login"> <..."

The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.

Line: 358 Column: 50 - 56
"...nuari 2019</time> ..." Line: 379 Column: 50 - 56
"...nuari 2019</time> ..." Line: 400 Column: 50 - 56
"...nuari 2019</time> ..." Line: 431 Column: 85 - 91
"... 16:00 uur</time></span..." Line: 458 Column: 85 - 91
"... 16:00 uur</time></span..." Line: 484 Column: 85 - 91
"... 16:00 uur</time></span..."

Element “p” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)

Line: 522 Column: 33 - 35
"...2--white"><p>Ziekme..."

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

Line: 589 Column: 1 - 10
"...</script> <noscript> <a hr..."

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

Line: 613 Column: 230 - 854
"...> <strong><img src="data:image/svg+xml;base64,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" width="16" height="16"> Filte..."

The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “v” instead.

Line: 615 Column: 5 - 13
"...b8c'; </script> <!-- ..."

Warnings

The “type” attribute is unnecessary for JavaScript resources.

Line: 18 Column: 1230 - 1372
"...st.json"> <script id="Cookiebot" src="https://consent.cookiebot.com/uc.js" data-cbid="519e6a5d-2989-4c66-a229-d46beb77e3c6" type="text/javascript" async></scri..." Line: 29 Column: 15 - 45
"...</script> <script type="text/javascript">var sf..." Line: 29 Column: 74 - 187
"...;</script><script type="text/javascript" src="https://quriobot.com/qb/widget/yKoPqxmzd6Eg5eNl/KoPqxmzqWjbg5eNl" async defer></scri..." Line: 30 Column: 99 - 350
"...noscript> <script src="/ScriptResource.axd?d=4bMApOb58R6igmkUEZ0eXt6iqbwlpi8iIPj4kCVkGjUED8nPCp0l75sZP-j7nftLjw9DPDz_yKUgsvz4mCea7aQTzwRXkw27FhrL_-BWXp3JfV2IsiqS7KoLS0R1QukOmFoajMIW38HL0NHhqLhLfqhajm3y2lMm7sZeg6fV7Y_Y7i_70&amp;t=1d084ecf" type="text/javascript"></scri..." Line: 30 Column: 360 - 611
"...></script><script src="/ScriptResource.axd?d=EydukmxBmDstn7gSYzQESI1SwcpgCtwLHoraMm2sFcdjXWPMLVHa2to1x6UiBzRQHJyh7fg8AMas96nUXztu4HEod9xaeX7eNOec6XwGVo0ebltYhFKiBD6XYNABovR19I9xB2tcr168ILpUrrwL8X4V1GjZTatOK3A4sfubVl12mx130&amp;t=1d084ecf" type="text/javascript"></scri..." Line: 580 Column: 1 - 31
"... code --> <script type="text/javascript"> windo..." Line: 613 Column: 1961 - 2111
"...v> </div> <script src="/Frontend-Assembly/Telerik.Sitefinity.Frontend.Identity/Mvc/Scripts/LoginStatus/login-status.js?package=Bootstrap" type="text/javascript"></scri..." Line: 613 Column: 2122 - 2234
"...</script> <script src="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.5/js/select2.full.min.js" type="text/javascript"></scri..." Line: 613 Column: 2245 - 2348
"...</script> <script src="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.5/js/i18n/nl.js" type="text/javascript"></scri..." Line: 613 Column: 2359 - 2455
"...</script> <script src="/App_Themes/Summa/dist/scripts/main.js?v=636836648380000000" type="text/javascript"></scri..." Line: 615 Column: 155 - 406
"...sheet" /> <script src="/ScriptResource.axd?d=4bMApOb58R6igmkUEZ0eXt6iqbwlpi8iIPj4kCVkGjUED8nPCp0l75sZP-j7nftLjw9DPDz_yKUgsvz4mCea7aQTzwRXkw27FhrL_-BWXp3JfV2IsiqS7KoLS0R1QukOmFoajMIW38HL0NHhqLhLfqhajm3y2lMm7sZeg6fV7Y_Y7i_70&amp;t=1d084ecf" type="text/javascript"></scri..." Line: 615 Column: 416 - 667
"...></script><script src="/ScriptResource.axd?d=EydukmxBmDstn7gSYzQESI1SwcpgCtwLHoraMm2sFcdjXWPMLVHa2to1x6UiBzRQHJyh7fg8AMas96nUXztu4HEod9xaeX7eNOec6XwGVo0ebltYhFKiBD6XYNABovR19I9xB2tcr168ILpUrrwL8X4V1GjZTatOK3A4sfubVl12mx130&amp;t=1d084ecf" type="text/javascript"></scri..." Line: 626 Column: 69 - 99
"... code --> <script type="text/javascript"> ..."

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

Line: 267 Column: 11 - 33
"... <div ><nav role="navigation"><a cla..." Line: 277 Column: 11 - 33
"... <div ><nav role="navigation"><a cla..." Line: 577 Column: 48 - 92
"...ol-md-4"> <nav class="footer__icons" role="navigation"> <a hr..."

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summacollege.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.


summacollege.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.