SANDBERG.NL Sandberg Instituut


sandberg.nl website information.

sandberg.nl domain name is registered by .NL top-level domain registry. See the other sites registred in .NL domain zone.

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According to Alexa traffic rank the highest website sandberg.nl position was 28048 (in the world). The lowest Alexa rank position was 998935. Now website sandberg.nl ranked in Alexa database as number 320716 (in the world).

Website sandberg.nl Desktop speed measurement score (7/100) is better than the results of 0.97% of other sites shows that the page desktop performance can be improved.

sandberg.nl Mobile usability score (96/100) is better than the results of 46.59% of other sites and means that the page is mobile-friendly.

Mobile speed measurement score of sandberg.nl (37/100) is better than the results of 15.74% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

Weekly Rank Report

DateRankChange
Nov-24-2024 320,716-10,640
Nov-23-2024 310,076-1,851
Nov-22-2024 308,2253,986
Nov-21-2024 312,211890
Nov-20-2024 313,1016,397
Nov-19-2024 319,498-4,657
Nov-18-2024 314,841-1,362

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sandberg.nl Rank History

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sandberg.nl whois

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Domain name: sandberg.nl
Status: active

Reseller:
aerius
Edisonweg 51
4382NV Vlissingen
Netherlands

Registrar:
Registrar.eu
Hofplein 20
3032AC Rotterdam
Netherlands

Abuse Contact:
+31.104482297
abuse@registrar.eu

Creation Date: 1996-07-24

Updated Date: 2022-09-12

DNSSEC: no

Domain nameservers:
manage.tuxic.nl
wh1.tuxic.nl

Record maintained by: SIDN BV

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 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 SIDN.
(c) SIDN BV, Dutch Copyright Act, protection of authors' rights
(Section 10, subsection 1, clause 1).

sandberg.nl server information

Servers Location

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sandberg.nl desktop page speed rank

Last tested: 2019-03-09


Desktop Speed Bad
7/100

sandberg.nl Desktop Speed Test Quick Summary


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priority - 86 Leverage browser caching

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priority - 12 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 36 blocking script resources and 6 blocking CSS resources. This causes a delay in rendering your page.

None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.

Remove render-blocking JavaScript:

https://sandberg.nl/resources/cda/js/libraries/modernizr/modernizr.js
https://code.jquery.com/jquery-1.12.4.js
https://sandberg.nl/resources/cda/js/libraries/cicle/jquery.cycle.all.js
https://sandberg.nl/resources/cda/js/libraries/jqu…jquery.scrollTo.min.js
https://sandberg.nl/resources/cda/js/libraries/jqu…jquery.scrollevents.js
https://sandberg.nl/resources/cda/js/libraries/jqu…ry.imagesloaded.min.js
https://sandberg.nl/resources/cda/js/libraries/jqu…s/jquery.mousewheel.js
https://sandberg.nl/resources/cda/js/libraries/jqu…/jquery.placeholder.js
https://sandberg.nl/resources/cda/js/libraries/jqu…ery.jscrollpane.min.js
https://code.jquery.com/ui/1.12.0/jquery-ui.min.js
https://sandberg.nl/resources/cda/js/libraries/cal…ery.calendar-widget.js
https://sandberg.nl/resources/cda/js/libraries/packery/packery.pkgd.min.js
https://sandberg.nl/resources/cda/js/libraries/jqu…gins/jquery.history.js
https://sandberg.nl/resources/cda/js/libraries/fixer/jquery.fixer.js
https://sandberg.nl/resources/cda/js/libraries/fitvids/jquery.fitvids.js
https://sandberg.nl/resources/cda/js/libraries/tou…query.mobile.custom.js
https://sandberg.nl/resources/cda/js/libraries/spin/spin.min.js
https://sandberg.nl/resources/cda/js/libraries/loa…indicator-1.0.0.min.js
https://sandberg.nl/resources/cda/js/libraries/underscore/underscore.js
https://sandberg.nl/resources/cda/js/libraries/lazysizes.min.js
https://sandberg.nl/resources/cda/js/metabill.libs.js
https://sandberg.nl/resources/cda/js/metabill.js
https://www.youtube.com/player_api
https://f.vimeocdn.com/js/froogaloop2.min.js
https://sandberg.nl/resources/cda/js/clickevents.js
https://sandberg.nl/resources/cda/js/localstorage.js
https://sandberg.nl/resources/cda/js/bookshelf.js
https://sandberg.nl/resources/cda/js/requestpage.js
https://sandberg.nl/resources/cda/js/loadmoreindex.js
https://sandberg.nl/resources/cda/js/footnoteHandler.js
https://sandberg.nl/resources/cda/js/initvideos.js
https://sandberg.nl/resources/cda/js/shelf.js
https://sandberg.nl/resources/cda/js/pageHandler.js
https://sandberg.nl/resources/cda/js/clickHandler.js?201801312200
https://sandberg.nl/resources/cda/js/root.js
https://sandberg.nl/resources/public/cda.bundle.js

Optimize CSS Delivery of the following:

https://sandberg.nl/resources/cda/css/fonts/font-awesome.min.css
https://sandberg.nl/resources/cda/css/icomoon.css
https://sandberg.nl/resources/cda/css/metabill.css
https://sandberg.nl/resources/cda/css/overlay.css
https://sandberg.nl/resources/public/normalize.css
https://sandberg.nl/resources/public/cda.style.css

priority - 11 Minify 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 103.4KiB (33% reduction).

Minifying https://code.jquery.com/jquery-1.12.4.js could save 43.9KiB (51% reduction) after compression.
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Minifying https://sandberg.nl/resources/cda/js/libraries/underscore/underscore.js could save 6.6KiB (52% reduction) after compression.
Minifying https://sandberg.nl/resources/cda/js/metabill.js could save 5.6KiB (27% reduction) after compression.
Minifying https://sandberg.nl/resources/cda/js/libraries/cicle/jquery.cycle.all.js could save 5.4KiB (41% reduction) after compression.
Minifying https://sandberg.nl/resources/cda/js/libraries/tou…query.mobile.custom.js could save 3KiB (50% reduction) after compression.
Minifying https://sandberg.nl/resources/cda/js/root.js could save 1.7KiB (33% reduction) after compression.
Minifying https://sandberg.nl/resources/cda/js/libraries/modernizr/modernizr.js could save 1.2KiB (16% reduction) after compression.
Minifying https://sandberg.nl/resources/cda/js/clickHandler.js?201801312200 could save 1.2KiB (30% reduction) after compression.
Minifying https://sandberg.nl/resources/cda/js/libraries/jqu…s/jquery.mousewheel.js could save 1.1KiB (50% reduction) after compression.
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Minifying https://sandberg.nl/resources/cda/js/pageHandler.js could save 804B (28% reduction) after compression.
Minifying https://sandberg.nl/resources/cda/js/libraries/jqu…/jquery.placeholder.js could save 595B (35% reduction) after compression.
Minifying https://sandberg.nl/resources/cda/js/libraries/fitvids/jquery.fitvids.js could save 386B (33% reduction) after compression.
Minifying https://sandberg.nl/resources/cda/js/libraries/cal…ery.calendar-widget.js could save 311B (27% reduction) after compression.
Minifying https://sandberg.nl/resources/cda/js/footnoteHandler.js could save 272B (23% reduction) after compression.
Minifying https://sandberg.nl/resources/cda/js/libraries/jqu…jquery.scrollevents.js could save 269B (45% reduction) after compression.
Minifying https://sandberg.nl/resources/cda/js/libraries/fixer/jquery.fixer.js could save 268B (38% reduction) after compression.
Minifying https://sandberg.nl/resources/cda/js/clickevents.js could save 168B (17% reduction) after compression.
Minifying https://sandberg.nl/resources/cda/js/loadmoreindex.js could save 146B (19% reduction) after compression.
Minifying https://sandberg.nl/resources/cda/js/initvideos.js could save 137B (11% reduction) after compression.
Minifying https://sandberg.nl/resources/cda/js/libraries/jqu…jquery.scrollTo.min.js could save 126B (11% reduction) after compression.
Minifying https://sandberg.nl/resources/cda/js/localstorage.js could save 106B (31% reduction) after compression.

priority - 8 Enable 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 73.4KiB (88% reduction).

Compressing https://sandberg.nl//about- could save 73.1KiB (88% reduction).
Compressing https://www.youtube.com/player_api could save 369B (43% reduction).

priority - 2 Prioritize 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 4% 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 - 0 Reduce server response time

In our test, your server responded in 0.21 seconds.

There are many factors that can slow down your server response time. Please read our recommendations to learn how you can monitor and measure where your server is spending the most time.

priority - 0 Minify 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 181B (13% reduction).

Minifying https://sandberg.nl/resources/cda/css/overlay.css could save 181B (13% reduction) after compression.

sandberg.nl Desktop Resources

Total Resources186
Number of Hosts7
Static Resources177
JavaScript Resources41
CSS Resources6

sandberg.nl Desktop Resource Breakdown

sandberg.nl mobile page speed rank

Last tested: 2019-03-09


Mobile Speed Bad
37/100

sandberg.nl Mobile Speed Test Quick Summary


priority - 113 Leverage 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:

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https://sandberg.nl/media/image/medium/nevernever_image.jpg (expiration not specified)
https://sandberg.nl/media/image/medium/pub_play1551884345.png (expiration not specified)
https://sandberg.nl/media/image/medium/sc_roger_hi…px_buried_plane_1.jpeg (expiration not specified)
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priority - 48 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 36 blocking script resources and 6 blocking CSS resources. This causes a delay in rendering your page.

None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.

Remove render-blocking JavaScript:

https://sandberg.nl/resources/cda/js/libraries/modernizr/modernizr.js
https://code.jquery.com/jquery-1.12.4.js
https://sandberg.nl/resources/cda/js/libraries/cicle/jquery.cycle.all.js
https://sandberg.nl/resources/cda/js/libraries/jqu…jquery.scrollTo.min.js
https://sandberg.nl/resources/cda/js/libraries/jqu…jquery.scrollevents.js
https://sandberg.nl/resources/cda/js/libraries/jqu…ry.imagesloaded.min.js
https://sandberg.nl/resources/cda/js/libraries/jqu…s/jquery.mousewheel.js
https://sandberg.nl/resources/cda/js/libraries/jqu…/jquery.placeholder.js
https://sandberg.nl/resources/cda/js/libraries/jqu…ery.jscrollpane.min.js
https://code.jquery.com/ui/1.12.0/jquery-ui.min.js
https://sandberg.nl/resources/cda/js/libraries/cal…ery.calendar-widget.js
https://sandberg.nl/resources/cda/js/libraries/packery/packery.pkgd.min.js
https://sandberg.nl/resources/cda/js/libraries/jqu…gins/jquery.history.js
https://sandberg.nl/resources/cda/js/libraries/fixer/jquery.fixer.js
https://sandberg.nl/resources/cda/js/libraries/fitvids/jquery.fitvids.js
https://sandberg.nl/resources/cda/js/libraries/tou…query.mobile.custom.js
https://sandberg.nl/resources/cda/js/libraries/spin/spin.min.js
https://sandberg.nl/resources/cda/js/libraries/loa…indicator-1.0.0.min.js
https://sandberg.nl/resources/cda/js/libraries/underscore/underscore.js
https://sandberg.nl/resources/cda/js/libraries/lazysizes.min.js
https://sandberg.nl/resources/cda/js/metabill.libs.js
https://sandberg.nl/resources/cda/js/metabill.js
https://www.youtube.com/player_api
https://f.vimeocdn.com/js/froogaloop2.min.js
https://sandberg.nl/resources/cda/js/clickevents.js
https://sandberg.nl/resources/cda/js/localstorage.js
https://sandberg.nl/resources/cda/js/bookshelf.js
https://sandberg.nl/resources/cda/js/requestpage.js
https://sandberg.nl/resources/cda/js/loadmoreindex.js
https://sandberg.nl/resources/cda/js/footnoteHandler.js
https://sandberg.nl/resources/cda/js/initvideos.js
https://sandberg.nl/resources/cda/js/shelf.js
https://sandberg.nl/resources/cda/js/pageHandler.js
https://sandberg.nl/resources/cda/js/clickHandler.js?201801312200
https://sandberg.nl/resources/cda/js/root.js
https://sandberg.nl/resources/public/cda.bundle.js

Optimize CSS Delivery of the following:

https://sandberg.nl/resources/cda/css/fonts/font-awesome.min.css
https://sandberg.nl/resources/cda/css/icomoon.css
https://sandberg.nl/resources/cda/css/metabill.css
https://sandberg.nl/resources/cda/css/overlay.css
https://sandberg.nl/resources/public/normalize.css
https://sandberg.nl/resources/public/cda.style.css

priority - 11 Minify JavaScript

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Minify JavaScript for the following resources to reduce their size by 103.4KiB (33% reduction).

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priority - 8 Prioritize 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 8% 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 - 4 Optimize images

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Optimize the following images to reduce their size by 35.9KiB (27% reduction).

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sandberg.nl Mobile Resources

Total Resources163
Number of Hosts7
Static Resources155
JavaScript Resources40
CSS Resources6

sandberg.nl Mobile Resource Breakdown

sandberg.nl mobile page usability

Last tested: 2019-03-09


Mobile Usability Good
96/100

sandberg.nl Mobile Usability Test Quick Summary


priority - 3 Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 462 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:

The element <div class="page_title menu_current">Library</div> falls outside the viewport.

priority - 0 Size tap targets appropriately

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The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <a href="https://www.fa…berg.Instituut"></a> and 7 others are close to other tap targets.

The tap target <a href="https://www.fa…berg.Instituut"></a> and 2 others are close to other tap targets.

The tap target <a href="/index" class="departmentbutton">Library</a> is close to 1 other tap targets.

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sandberg.nl Ping

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sandberg.nl TRACEROUTE

Traceroute is a network diagnostic tool used to track the pathway taken by a packet on an IP network from source to destination. Traceroute also records the time taken for each hop the packet makes during its route to the destination. Traceroute uses ICMP (Internet Control Message Protocol) echo packets with variable time to live values. The response time of each hop is calculated. To guarantee accuracy, each hop is queried multiple times (usually three times) to better measure the response of that particular hop.