luf.nl Website Information
Daily Unique Visits: 891
Daily Page Views: 1,782
Income Per Day: $6
Estimated Value: $1,440
luf.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 SURFnet bv. See the full list of other websites hosted by SURFnet bv.
The highest website luf.nl position in Alexa rank database was 29994 and the lowest rank position was 998321. Current position of luf.nl in Alexa rank database is 804994.
Desktop speed score of luf.nl (51/100) is better than the results of 24.87% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of luf.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 luf.nl (38/100) is better than the results of 16.76% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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luf.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.
luf.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: luf.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.surfnet.nl
ns2.surfnet.nl
ns3.surfnet.nl
Creation Date: 1998-11-03
Updated Date: 2023-08-01
Record maintained by: SIDN BV
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.surfnet.nl
ns2.surfnet.nl
ns3.surfnet.nl
Creation Date: 1998-11-03
Updated Date: 2023-08-01
Record maintained by: SIDN BV
luf.nl server information
Servers Location
luf.nl desktop page speed rank
Last tested: 2018-06-29
Desktop Speed
Bad
51/100
luf.nl Desktop Speed Test Quick Summary
priority - 68Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 665.4KiB (71% reduction).
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Compressing https://www.luf.nl/App_Themes/Algemeen/images/logo.png could save 3.3KiB (33% reduction).
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priority - 14Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 6 blocking script resources and 17 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://www.luf.nl/App_Themes/Algemeen/js/algemeen.js
https://www.luf.nl/StippWebDLL/Resources/js/StippWebValidatie.js
https://www.luf.nl/StippWebDLL/Resources/jquery/ui/v1_9_2/jquery-ui.min.js
https://www.luf.nl/StippWebDLL/Resources/jquery/pl…jquery.colorbox-min.js
https://www.luf.nl/StippWebDLL/Resources/js/Teksten.aspx
https://www.luf.nl/WebResource.axd?d=rPZMwiZCyfgfN…1&t=636531738860000000
https://www.luf.nl/StippWebDLL/Resources/js/StippWebValidatie.js
https://www.luf.nl/StippWebDLL/Resources/jquery/ui/v1_9_2/jquery-ui.min.js
https://www.luf.nl/StippWebDLL/Resources/jquery/pl…jquery.colorbox-min.js
https://www.luf.nl/StippWebDLL/Resources/js/Teksten.aspx
https://www.luf.nl/WebResource.axd?d=rPZMwiZCyfgfN…1&t=636531738860000000
Optimize CSS Delivery of the following:
https://www.luf.nl/StippWebDLL/Resources/css/StippWeb.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Community.css
https://www.luf.nl/StippWebDLL/Resources/css/StipPub/StipPub.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/FAQ.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Formulier.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Forum.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Fotogalerij.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Nieuws.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Poll.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Thesaurus.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Shop.css
https://www.luf.nl/StippWebDLL/Resources/css/StipPub/Document.css
https://www.luf.nl/App_Themes/Algemeen/css/gridpak.css
https://www.luf.nl/App_Themes/Algemeen/css/style.css
https://www.luf.nl/StippWebDLL/Resources/jquery/ui…oothness/jquery-ui.css
https://www.luf.nl/StippWebDLL/Resources/jquery/pl…le/style5/colorbox.css
https://www.luf.nl/StippWebDLL/Resources/css/Controls.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Community.css
https://www.luf.nl/StippWebDLL/Resources/css/StipPub/StipPub.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/FAQ.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Formulier.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Forum.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Fotogalerij.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Nieuws.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Poll.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Thesaurus.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Shop.css
https://www.luf.nl/StippWebDLL/Resources/css/StipPub/Document.css
https://www.luf.nl/App_Themes/Algemeen/css/gridpak.css
https://www.luf.nl/App_Themes/Algemeen/css/style.css
https://www.luf.nl/StippWebDLL/Resources/jquery/ui…oothness/jquery-ui.css
https://www.luf.nl/StippWebDLL/Resources/jquery/pl…le/style5/colorbox.css
https://www.luf.nl/StippWebDLL/Resources/css/Controls.css
priority - 7Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://luf.nl/
http://www.luf.nl/
https://www.luf.nl/
http://www.luf.nl/
https://www.luf.nl/
priority - 6Enable 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 61.6KiB (77% reduction).
Compressing https://www.luf.nl/WebResource.axd?d=rPZMwiZCyfgfN…1&t=636531738860000000 could save 22.4KiB (82% reduction).
Compressing https://www.luf.nl/ could save 21.3KiB (71% reduction).
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Compressing https://www.luf.nl/WebResource.axd?d=gBguerg9FmYti…1&t=636531738860000000 could save 18KiB (79% 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://connect.facebook.net/nl_NL/sdk.js (20 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://www.luf.nl/App_Themes/Algemeen/css/gridpak.css (24 hours)
https://www.luf.nl/App_Themes/Algemeen/css/style.css (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/Sleuteldragers.jpg (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/btn-zoeken.png (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/doneer-ook1.png (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/footer_text.jpg (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/fotostrook-light.jpg (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/logo.png (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/media-iconen.png (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/play_knop.png (24 hours)
https://www.luf.nl/App_Themes/Algemeen/js/algemeen.js (24 hours)
https://www.google-analytics.com/analytics.js (2 hours)
https://www.luf.nl/App_Themes/Algemeen/css/gridpak.css (24 hours)
https://www.luf.nl/App_Themes/Algemeen/css/style.css (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/Sleuteldragers.jpg (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/btn-zoeken.png (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/doneer-ook1.png (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/footer_text.jpg (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/fotostrook-light.jpg (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/logo.png (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/media-iconen.png (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/play_knop.png (24 hours)
https://www.luf.nl/App_Themes/Algemeen/js/algemeen.js (24 hours)
priority - 2Minify 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 18.4KiB (33% reduction).
Minifying https://www.luf.nl/WebResource.axd?d=rPZMwiZCyfgfN…1&t=636531738860000000 could save 8.3KiB (31% reduction).
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Minifying https://www.luf.nl/StippWebDLL/Resources/js/StippWebValidatie.js could save 3.2KiB (42% reduction) after compression.
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Minifying https://www.luf.nl/StippWebDLL/Resources/js/StippWebValidatie.js could save 3.2KiB (42% 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 4.3KiB (15% reduction).
Minifying https://www.luf.nl/ could save 4.3KiB (15% reduction).
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 4.2KiB (23% reduction).
Minifying https://www.luf.nl/StippWebDLL/Resources/jquery/ui…oothness/jquery-ui.css could save 1.6KiB (27% reduction) after compression.
Minifying https://www.luf.nl/App_Themes/Algemeen/css/style.css could save 879B (21% reduction) after compression.
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Minifying https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Fotogalerij.css could save 269B (22% reduction) after compression.
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Minifying https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Thesaurus.css could save 138B (11% reduction) after compression.
Minifying https://www.luf.nl/App_Themes/Algemeen/css/style.css could save 879B (21% reduction) after compression.
Minifying https://www.luf.nl/StippWebDLL/Resources/css/Controls.css could save 538B (20% reduction) after compression.
Minifying https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Shop.css could save 334B (14% reduction) after compression.
Minifying https://www.luf.nl/App_Themes/Algemeen/css/gridpak.css could save 322B (54% reduction) after compression.
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priority - 0Reduce server response time
luf.nl Desktop Resource Breakdown
| Total Resources | 45 |
| Number of Hosts | 9 |
| Static Resources | 39 |
| JavaScript Resources | 11 |
| CSS Resources | 17 |
luf.nl mobile page speed rank
Last tested: 2018-04-19
Mobile Speed
Bad
38/100
luf.nl Mobile Speed Test Quick Summary
priority - 68Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 668KiB (71% reduction).
Compressing https://www.luf.nl/App_Themes/Algemeen/images/fotostrook-light.jpg could save 624.4KiB (71% reduction).
Compressing https://www.luf.nl/App_Themes/Algemeen/images/Sleuteldragers.jpg could save 28.2KiB (85% reduction).
Compressing https://www.luf.nl/App_Themes/Algemeen/images/footer_text.jpg could save 8.5KiB (66% reduction).
Compressing https://www.luf.nl/App_Themes/Algemeen/images/logo.png could save 3.3KiB (33% reduction).
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Compressing https://www.luf.nl/App_Themes/Algemeen/images/Sleuteldragers.jpg could save 28.2KiB (85% reduction).
Compressing https://www.luf.nl/App_Themes/Algemeen/images/footer_text.jpg could save 8.5KiB (66% reduction).
Compressing https://www.luf.nl/App_Themes/Algemeen/images/logo.png could save 3.3KiB (33% reduction).
Compressing https://www.luf.nl/App_Themes/Algemeen/images/menu.png could save 2.7KiB (96% reduction).
Compressing https://www.luf.nl/App_Themes/Algemeen/images/doneer-ook2.png could save 579B (11% reduction).
Compressing https://www.luf.nl/App_Themes/Algemeen/images/play_knop.png could save 346B (34% reduction).
priority - 56Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 7 blocking script resources and 17 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://www.luf.nl/App_Themes/Algemeen/js/algemeen.js
https://www.luf.nl/StippWebDLL/Resources/js/StippWebValidatie.js
https://www.luf.nl/StippWebDLL/Resources/jquery/ui/v1_9_2/jquery-ui.min.js
https://www.luf.nl/StippWebDLL/Resources/jquery/pl…jquery.colorbox-min.js
https://www.luf.nl/StippWebDLL/Resources/js/Teksten.aspx
https://www.luf.nl/WebResource.axd?d=vJj7Tu0_yKMgZ…1&t=636426804960000000
https://www.luf.nl/WebResource.axd?d=OnGzUy8mGQaBG…1&t=636426804960000000
https://www.luf.nl/StippWebDLL/Resources/js/StippWebValidatie.js
https://www.luf.nl/StippWebDLL/Resources/jquery/ui/v1_9_2/jquery-ui.min.js
https://www.luf.nl/StippWebDLL/Resources/jquery/pl…jquery.colorbox-min.js
https://www.luf.nl/StippWebDLL/Resources/js/Teksten.aspx
https://www.luf.nl/WebResource.axd?d=vJj7Tu0_yKMgZ…1&t=636426804960000000
https://www.luf.nl/WebResource.axd?d=OnGzUy8mGQaBG…1&t=636426804960000000
Optimize CSS Delivery of the following:
https://www.luf.nl/StippWebDLL/Resources/css/StippWeb.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Community.css
https://www.luf.nl/StippWebDLL/Resources/css/StipPub/StipPub.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/FAQ.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Formulier.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Forum.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Fotogalerij.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Nieuws.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Poll.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Thesaurus.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Shop.css
https://www.luf.nl/StippWebDLL/Resources/css/StipPub/Document.css
https://www.luf.nl/App_Themes/Algemeen/css/gridpak.css
https://www.luf.nl/App_Themes/Algemeen/css/style.css
https://www.luf.nl/StippWebDLL/Resources/jquery/ui…oothness/jquery-ui.css
https://www.luf.nl/StippWebDLL/Resources/jquery/pl…le/style5/colorbox.css
https://www.luf.nl/StippWebDLL/Resources/css/Controls.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Community.css
https://www.luf.nl/StippWebDLL/Resources/css/StipPub/StipPub.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/FAQ.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Formulier.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Forum.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Fotogalerij.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Nieuws.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Poll.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Thesaurus.css
https://www.luf.nl/StippWebDLL/Resources/css/Bouwstenen/Shop.css
https://www.luf.nl/StippWebDLL/Resources/css/StipPub/Document.css
https://www.luf.nl/App_Themes/Algemeen/css/gridpak.css
https://www.luf.nl/App_Themes/Algemeen/css/style.css
https://www.luf.nl/StippWebDLL/Resources/jquery/ui…oothness/jquery-ui.css
https://www.luf.nl/StippWebDLL/Resources/jquery/pl…le/style5/colorbox.css
https://www.luf.nl/StippWebDLL/Resources/css/Controls.css
priority - 26Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://luf.nl/
http://www.luf.nl/
https://www.luf.nl/
http://www.luf.nl/
https://www.luf.nl/
priority - 9Leverage 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://connect.facebook.net/nl_NL/sdk.js (20 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://www.luf.nl/App_Themes/Algemeen/css/gridpak.css (24 hours)
https://www.luf.nl/App_Themes/Algemeen/css/style.css (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/Sleuteldragers.jpg (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/btn-zoeken.png (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/doneer-ook2.png (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/footer_text.jpg (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/fotostrook-light.jpg (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/logo.png (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/menu.png (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/play_knop.png (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/vlaggen.png (24 hours)
https://www.luf.nl/App_Themes/Algemeen/js/algemeen.js (24 hours)
https://www.google-analytics.com/analytics.js (2 hours)
https://www.luf.nl/App_Themes/Algemeen/css/gridpak.css (24 hours)
https://www.luf.nl/App_Themes/Algemeen/css/style.css (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/Sleuteldragers.jpg (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/btn-zoeken.png (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/doneer-ook2.png (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/footer_text.jpg (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/fotostrook-light.jpg (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/logo.png (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/menu.png (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/play_knop.png (24 hours)
https://www.luf.nl/App_Themes/Algemeen/images/vlaggen.png (24 hours)
https://www.luf.nl/App_Themes/Algemeen/js/algemeen.js (24 hours)
priority - 8Prioritize 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.
The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.
Only about 67% of the final above-the-fold content could be rendered with the full HTML response.
Click to see the screenshot with only the HTML response:
priority - 6Enable compression
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priority - 0Reduce server response time
luf.nl Mobile Resource Breakdown
| Total Resources | 47 |
| Number of Hosts | 9 |
| Static Resources | 40 |
| JavaScript Resources | 11 |
| CSS Resources | 17 |
luf.nl mobile page usability
Last tested: 2018-04-19
Mobile Usability
Good
99/100
luf.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
<a href="/alumni/doneren">Doneren</a> and 8 others are close to other tap targets.luf.nl HTML validation
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luf.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.
luf.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.