slam.nl Website Information
Daily Unique Visits: 3,829
Daily Page Views: 15,316
Income Per Day: $43
Estimated Value: $23,220
This website is located in Netherlands and is using following IP address 149.210.215.224. See the complete list of popular websites hosted in Netherlands.
slam.nl is registered under .NL top-level domain. Please check other sites in .NL zone.
Website slam.nl is using the following name servers:
- ns1.transip.nl
- ns0.transip.net
- ns2.transip.eu
and is probably hosted by Transip B.V.. See the full list of other websites hosted by Transip B.V..
The highest website slam.nl position in Alexa rank database was 3312 and the lowest rank position was 990628. Current position of slam.nl in Alexa rank database is 327711.
Desktop speed score of slam.nl (64/100) is better than the results of 41.34% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of slam.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 slam.nl (12/100) is better than the results of 1.97% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
Advertisement
slam.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.
slam.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: slam.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
Creation Date: 1998-04-29
Updated Date: 2021-11-18
DNSSEC: yes
Domain nameservers:
ns0.transip.net
ns1.transip.nl
ns2.transip.eu
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).
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
Creation Date: 1998-04-29
Updated Date: 2021-11-18
DNSSEC: yes
Domain nameservers:
ns0.transip.net
ns1.transip.nl
ns2.transip.eu
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).
slam.nl server information
Servers Location
slam.nl desktop page speed rank
Last tested: 2019-11-04
Desktop Speed
Bad
64/100
slam.nl Desktop Speed Test Quick Summary
priority - 34Optimize images
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priority - 15Leverage 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://cdn.slam.nl/images/presenter/1554982842955…932205fee52b6b1ecd.jpg (expiration not specified)
https://cdn.slam.nl/images/presenter/1558971152e7a…db3788c26991986d09.jpg (expiration not specified)
https://cdn.slam.nl/images/program/155602669949d5c…e40859b3b9ffd25a54.jpg (expiration not specified)
https://cdn.slam.nl/images/program/1558361316ccf10…dadeaba172db2c3ac0.jpg (expiration not specified)
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https://www.slam.nl/images/instagram.png (expiration not specified)
https://www.slam.nl/images/logos/slam_logo.png (expiration not specified)
https://www.slam.nl/images/profile-icon.png (expiration not specified)
https://www.slam.nl/images/slam/backlines.png (expiration not specified)
https://www.slam.nl/images/slam/button-play@2x.png (expiration not specified)
https://www.slam.nl/images/slam/fill-4@2x.png (expiration not specified)
https://www.slam.nl/images/twitter.png (expiration not specified)
https://www.slam.nl/images/youtube.png (expiration not specified)
https://www.slam.nl/scripts/main.js (expiration not specified)
https://www.slam.nl/scripts/vendor.js (expiration not specified)
https://www.slam.nl/styles/slam.css (expiration not specified)
https://www.slam.nl/styles/vendor.css (expiration not specified)
https://www.googletagmanager.com/gtm.js?id=GTM-W68RSN2 (15 minutes)
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https://www.slam.nl/images/logos/slam_logo.png (expiration not specified)
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https://www.slam.nl/styles/vendor.css (expiration not specified)
https://www.googletagmanager.com/gtm.js?id=GTM-W68RSN2 (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
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https://massariuscdn.com/pubs/slam/slam_adtech_setup.js (30 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
priority - 5Reduce server response time
In our test, your server responded in 0.70 seconds.
priority - 2Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 3 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://www.slam.nl/scripts/vendor.js
https://www.slam.nl/scripts/main.js
https://massariuscdn.com/pubs/slam/slam_adtech_setup.js
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Optimize CSS Delivery of the following:
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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.
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priority - 0Minify JavaScript
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slam.nl Desktop Resource Breakdown
| Total Resources | 76 |
| Number of Hosts | 15 |
| Static Resources | 38 |
| JavaScript Resources | 9 |
| CSS Resources | 4 |
slam.nl mobile page speed rank
Last tested: 2017-05-27
Mobile Speed
Bad
12/100
slam.nl Mobile Speed Test Quick Summary
priority - 306Optimize images
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priority - 96Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 18 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://www.slam.nl/wp/wp-includes/js/jquery/jquery.js?ver=1.12.4
https://www.slam.nl/wp/wp-includes/js/jquery/jquer…grate.min.js?ver=1.4.1
https://www.slam.nl/themes/slam-gsys/assets/js/libs/massarius.js?ver=4.7.5
https://www.slam.nl/themes/slam-gsys/js/tracking-header.js?ver=4.7.5
https://static.chartbeat.com/js/chartbeat_mab.js?ver=4.7.5
https://securepubads.g.doubleclick.net/gpt/pubads_impl_119.js
https://www.slam.nl/themes/slam-gsys/js/vendor.min.js?ver=4.7.5
https://www.slam.nl/plugins/contact-form-7/include…?ver=3.51.0-2014.06.20
https://www.slam.nl/plugins/contact-form-7/includes/js/scripts.js?ver=4.5
https://www.slam.nl/plugins/bootstrap-for-contact-…ripts.min.js?ver=1.3.1
https://www.slam.nl/themes/slam-gsys/js/script.min.js?ver=4.7.5
https://www.slam.nl/themes/slam-gsys/js/tracking-footer.js?ver=4.7.5
https://www.slam.nl/wp/wp-includes/js/jquery/ui/core.min.js?ver=1.11.4
https://www.slam.nl/wp/wp-includes/js/jquery/ui/da…cker.min.js?ver=1.11.4
https://www.google.com/recaptcha/api.js?onload=rec…ender=explicit&ver=2.0
https://www.slam.nl/wp/wp-includes/js/wp-embed.min.js?ver=4.7.5
https://sb.scorecardresearch.com/c2/16855296/cs.js
https://www.slam.nl/wp/wp-includes/js/jquery/jquer…grate.min.js?ver=1.4.1
https://www.slam.nl/themes/slam-gsys/assets/js/libs/massarius.js?ver=4.7.5
https://www.slam.nl/themes/slam-gsys/js/tracking-header.js?ver=4.7.5
https://static.chartbeat.com/js/chartbeat_mab.js?ver=4.7.5
https://securepubads.g.doubleclick.net/gpt/pubads_impl_119.js
https://www.slam.nl/themes/slam-gsys/js/vendor.min.js?ver=4.7.5
https://www.slam.nl/plugins/contact-form-7/include…?ver=3.51.0-2014.06.20
https://www.slam.nl/plugins/contact-form-7/includes/js/scripts.js?ver=4.5
https://www.slam.nl/plugins/bootstrap-for-contact-…ripts.min.js?ver=1.3.1
https://www.slam.nl/themes/slam-gsys/js/script.min.js?ver=4.7.5
https://www.slam.nl/themes/slam-gsys/js/tracking-footer.js?ver=4.7.5
https://www.slam.nl/wp/wp-includes/js/jquery/ui/core.min.js?ver=1.11.4
https://www.slam.nl/wp/wp-includes/js/jquery/ui/da…cker.min.js?ver=1.11.4
https://www.google.com/recaptcha/api.js?onload=rec…ender=explicit&ver=2.0
https://www.slam.nl/wp/wp-includes/js/wp-embed.min.js?ver=4.7.5
https://sb.scorecardresearch.com/c2/16855296/cs.js
Use asynchronous versions of the following scripts:
https://www.googletagservices.com/tag/js/gpt.js?ver=4.7.5
Optimize CSS Delivery of the following:
https://www.slam.nl/themes/slam-gsys/css/main.min.…v=1495884978&ver=4.7.5
https://ajax.googleapis.com/ajax/libs/jqueryui/1.8…query-ui.css?ver=4.7.5
https://ajax.googleapis.com/ajax/libs/jqueryui/1.8…query-ui.css?ver=4.7.5
priority - 37Enable 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 358.1KiB (73% reduction).
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Compressing https://www.slam.nl/wp/wp-includes/js/jquery/jquery.js?ver=1.12.4 could save 61.9KiB (65% reduction).
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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://slam.nl/
http://www.slam.nl/
https://www.slam.nl/
http://www.slam.nl/
https://www.slam.nl/
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 35% of the final above-the-fold content could be rendered with the full HTML response.
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://www.google.com/recaptcha/api.js?onload=rec…ender=explicit&ver=2.0 (5 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-5ZMZMB (15 minutes)
https://www.googletagservices.com/tag/js/gpt.js?ver=4.7.5 (15 minutes)
https://connect.facebook.net/en_US/sdk.js (20 minutes)
https://pagead2.googlesyndication.com/pagead/osd.js (60 minutes)
https://pagead2.googlesyndication.com/pagead/show_ads.js (60 minutes)
https://static.chartbeat.com/js/chartbeat.js (2 hours)
https://static.chartbeat.com/js/chartbeat_mab.js?ver=4.7.5 (2 hours)
https://www.google-analytics.com/analytics.js (2 hours)
https://www.googletagmanager.com/gtm.js?id=GTM-5ZMZMB (15 minutes)
https://www.googletagservices.com/tag/js/gpt.js?ver=4.7.5 (15 minutes)
https://connect.facebook.net/en_US/sdk.js (20 minutes)
https://pagead2.googlesyndication.com/pagead/osd.js (60 minutes)
https://pagead2.googlesyndication.com/pagead/show_ads.js (60 minutes)
https://static.chartbeat.com/js/chartbeat.js (2 hours)
https://static.chartbeat.com/js/chartbeat_mab.js?ver=4.7.5 (2 hours)
https://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 5.7KiB (20% reduction).
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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 1.5KiB (13% reduction).
Minifying https://www.slam.nl/ could save 1.5KiB (13% reduction) after compression.
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 1.5KiB (26% reduction).
Minifying https://ajax.googleapis.com/ajax/libs/jqueryui/1.8…query-ui.css?ver=4.7.5 could save 1.5KiB (26% reduction) after compression.
slam.nl Mobile Resource Breakdown
| Total Resources | 177 |
| Number of Hosts | 32 |
| Static Resources | 104 |
| JavaScript Resources | 40 |
| CSS Resources | 6 |
slam.nl mobile page usability
Last tested: 2017-05-27
Mobile Usability
Good
99/100
slam.nl Mobile Usability Test Quick Summary
priority - 0Size 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
<span class="overlay-close fa fa-close"> is close to 1 other tap targets.The tap target
<span class="overlay-close fa fa-close"> is close to 2 other tap targets.The tap target
<a href="#page-carousel" class="carousel-control right"></a> is close to 2 other tap targets.The tap target
<a href="https://www.slam.nl/contact/">Contact</a> and 5 others are close to other tap targets.slam.nl HTML validation
Errors
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Line: 47 Column: 1 - 69
"...</script> <link rel='https://api.w.org/' href='https://www.slam.nl/wp-json/' /> <sty..."
"...</script> <link rel='https://api.w.org/' href='https://www.slam.nl/wp-json/' /> <sty..."
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Line: 313 Column: 23 - 127
"... <iframe class="carousel-iframe carousel-iframe--large" src="https://live.slam.nl/header/" scrolling="no"></ifra..." Line: 316 Column: 25 - 141
"... <iframe class="carousel-iframe carousel-iframe--small" src="https://live.slam.nl/header/?type=mobile" scrolling="no"></ifra..."
"... <iframe class="carousel-iframe carousel-iframe--large" src="https://live.slam.nl/header/" scrolling="no"></ifra..." Line: 316 Column: 25 - 141
"... <iframe class="carousel-iframe carousel-iframe--small" src="https://live.slam.nl/header/?type=mobile" scrolling="no"></ifra..."
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Line: 321 Column: 720 - 832
"... <img src="https://www.slam.nl/uploads/2017/12/Headers-MixMarathon-XXL-1.3-mobiel-370x210.jpg" class="visible-xs"></img>..." Line: 326 Column: 631 - 720
"... <img src="https://www.slam.nl/uploads/2017/12/mob-jebroer-370x210.jpg" class="visible-xs"></img>..." Line: 331 Column: 669 - 763
"... <img src="https://www.slam.nl/uploads/2017/11/mobiel-harm-kees-370x210.jpg" class="visible-xs"></img>..." Line: 336 Column: 651 - 743
"... <img src="https://www.slam.nl/uploads/2017/11/mobiel-bram-v2-370x210.jpg" class="visible-xs"></img>..." Line: 341 Column: 715 - 822
"... <img src="https://www.slam.nl/uploads/2017/11/mobiel-harm-keeszoals-videov4-370x210.jpg" class="visible-xs"></img>..."
"... <img src="https://www.slam.nl/uploads/2017/12/Headers-MixMarathon-XXL-1.3-mobiel-370x210.jpg" class="visible-xs"></img>..." Line: 326 Column: 631 - 720
"... <img src="https://www.slam.nl/uploads/2017/12/mob-jebroer-370x210.jpg" class="visible-xs"></img>..." Line: 331 Column: 669 - 763
"... <img src="https://www.slam.nl/uploads/2017/11/mobiel-harm-kees-370x210.jpg" class="visible-xs"></img>..." Line: 336 Column: 651 - 743
"... <img src="https://www.slam.nl/uploads/2017/11/mobiel-bram-v2-370x210.jpg" class="visible-xs"></img>..." Line: 341 Column: 715 - 822
"... <img src="https://www.slam.nl/uploads/2017/11/mobiel-harm-keeszoals-videov4-370x210.jpg" class="visible-xs"></img>..."
Stray end tag “img”.
Line: 321 Column: 833 - 838
"...sible-xs"></img> ..." Line: 326 Column: 721 - 726
"...sible-xs"></img> ..." Line: 331 Column: 764 - 769
"...sible-xs"></img> ..." Line: 336 Column: 744 - 749
"...sible-xs"></img> ..." Line: 341 Column: 823 - 828
"...sible-xs"></img> ..."
"...sible-xs"></img> ..." Line: 326 Column: 721 - 726
"...sible-xs"></img> ..." Line: 331 Column: 764 - 769
"...sible-xs"></img> ..." Line: 336 Column: 744 - 749
"...sible-xs"></img> ..." Line: 341 Column: 823 - 828
"...sible-xs"></img> ..."
End tag “article” seen, but there were open elements.
Line: 499 Column: 1 - 10
"... </article> <div ..."
"... </article> <div ..."
Unclosed element “div”.
Line: 444 Column: 9 - 33
"... <div class="content-box"> ..."
"... <div class="content-box"> ..."
The “language” attribute on the “script” element is obsolete. Use the “type” attribute instead.
Line: 1310 Column: 1 - 107
"...02.13 --> <script type="text/javascript" language="JavaScript1.3" src="//sb.scorecardresearch.com/c2/16855296/cs.js"></scri..."
"...02.13 --> <script type="text/javascript" language="JavaScript1.3" src="//sb.scorecardresearch.com/c2/16855296/cs.js"></scri..."
The “for” attribute of the “label” element must refer to a non-hidden form control.
Line: 271 Column: 21 - 38
"... <label for="naam">Je ber..." Line: 273 Column: 21 - 38
"... <label for="naam">Je tel..." Line: 275 Column: 21 - 38
"... <label for="naam">Je naa..." Line: 277 Column: 21 - 38
"... <label for="mail">Je ema..."
"... <label for="naam">Je ber..." Line: 273 Column: 21 - 38
"... <label for="naam">Je tel..." Line: 275 Column: 21 - 38
"... <label for="naam">Je naa..." Line: 277 Column: 21 - 38
"... <label for="mail">Je ema..."
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slam.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.
slam.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.