d-nb.info Website Information
Daily Unique Visits: 140,984
Daily Page Views: 845,904
Income Per Day: $1,692
Estimated Value: $1,218,240
This website is located in Germany and is using following IP address 193.175.100.223. See the complete list of popular websites hosted in Germany.
d-nb.info is registered under .INFO top-level domain. Please check other sites in .INFO zone.
Website d-nb.info is using the following name servers:
- ns0.dnb.de
- ns1.dnb.de
- dns.globvill.de
and is probably hosted by Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.. See the full list of other websites hosted by Verein zur Foerderung eines Deutschen Forschungsnetzes e.V..
The highest website d-nb.info position in Alexa rank database was 10081 and the lowest rank position was 11669. Current position of d-nb.info in Alexa rank database is 10173.
Desktop speed score of d-nb.info (75/100) is better than the results of 59.78% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of d-nb.info (62/100) is better than the results of 7.29% of other sites and means that the page is not mobile-friendly.
Mobile speed score of d-nb.info (61/100) is better than the results of 57.04% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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d-nb.info 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.
d-nb.info 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: D-NB.INFO
Registry Domain ID: D19068333-LRMS
Registrar WHOIS Server:
Registrar URL: http://www.global-village.de
Updated Date: 2020-07-19T22:23:37Z
Creation Date: 2007-07-19T10:49:40Z
Registry Expiry Date: 2021-07-19T10:49:40Z
Registrar Registration Expiration Date:
Registrar: Global Village GmbH
Registrar IANA ID: 1725
Registrar Abuse Contact Email: domainabuse@global-village.de
Registrar Abuse Contact Phone: +49.285596510
Reseller:
Domain Status: ok https://icann.org/epp#ok
Registrant Organization: Deutsche Nationalbibliothek
Registrant State/Province: DE
Registrant Country: DE
Name Server: DNS.GLOBVILL.DE
Name Server: NS0.DNB.DE
Name Server: NS1.DNB.DE
DNSSEC: signedDelegation
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2021-05-03T05:44:15Z
Registry Domain ID: D19068333-LRMS
Registrar WHOIS Server:
Registrar URL: http://www.global-village.de
Updated Date: 2020-07-19T22:23:37Z
Creation Date: 2007-07-19T10:49:40Z
Registry Expiry Date: 2021-07-19T10:49:40Z
Registrar Registration Expiration Date:
Registrar: Global Village GmbH
Registrar IANA ID: 1725
Registrar Abuse Contact Email: domainabuse@global-village.de
Registrar Abuse Contact Phone: +49.285596510
Reseller:
Domain Status: ok https://icann.org/epp#ok
Registrant Organization: Deutsche Nationalbibliothek
Registrant State/Province: DE
Registrant Country: DE
Name Server: DNS.GLOBVILL.DE
Name Server: NS0.DNB.DE
Name Server: NS1.DNB.DE
DNSSEC: signedDelegation
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2021-05-03T05:44:15Z
d-nb.info server information
Servers Location
d-nb.info desktop page speed rank
Last tested: 2016-11-20
Desktop Speed
Medium
75/100
d-nb.info Desktop Speed Test Quick Summary
priority - 14Enable 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 131.7KiB (68% reduction).
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priority - 10Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 14 blocking script resources and 5 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://portal.dnb.de/static/js/onLoadBody.js
https://portal.dnb.de/static/js/rememberPosition.js
https://portal.dnb.de/static/js/popups.js
https://portal.dnb.de/static/js/sendForm.js
https://portal.dnb.de/static/js/help.js
https://portal.dnb.de/static/js/formFunctions.js
https://portal.dnb.de/static/js/checkTextAreaLength.js
https://portal.dnb.de/static/js/toggleCheckboxes.js
https://portal.dnb.de/static/js/jscalendar/calendar.js
https://portal.dnb.de/static/js/jscalendar/lang/calendar-de.js
https://portal.dnb.de/static/js/jscalendar/calendar-setup.js
https://portal.dnb.de/static/js/jquery-1.11.0.min.js
https://portal.dnb.de/static/js/jquery-migrate-1.2.1.min.js
https://portal.dnb.de/static/socialmedia/jquery.socialshareprivacy.js
https://portal.dnb.de/static/js/rememberPosition.js
https://portal.dnb.de/static/js/popups.js
https://portal.dnb.de/static/js/sendForm.js
https://portal.dnb.de/static/js/help.js
https://portal.dnb.de/static/js/formFunctions.js
https://portal.dnb.de/static/js/checkTextAreaLength.js
https://portal.dnb.de/static/js/toggleCheckboxes.js
https://portal.dnb.de/static/js/jscalendar/calendar.js
https://portal.dnb.de/static/js/jscalendar/lang/calendar-de.js
https://portal.dnb.de/static/js/jscalendar/calendar-setup.js
https://portal.dnb.de/static/js/jquery-1.11.0.min.js
https://portal.dnb.de/static/js/jquery-migrate-1.2.1.min.js
https://portal.dnb.de/static/socialmedia/jquery.socialshareprivacy.js
Optimize CSS Delivery of the following:
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https://portal.dnb.de/static/css/webservice.css
https://portal.dnb.de/static/css/dnb.css
https://portal.dnb.de/static/css/style.css
https://portal.dnb.de/static/js/jscalendar/calendar-win2k-cold-1.css
https://portal.dnb.de/static/css/webservice.css
https://portal.dnb.de/static/css/dnb.css
https://portal.dnb.de/static/css/style.css
https://portal.dnb.de/static/js/jscalendar/calendar-win2k-cold-1.css
priority - 4Minify 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 35.6KiB (40% reduction).
Minifying https://portal.dnb.de/static/js/jscalendar/calendar.js could save 16.8KiB (34% reduction).
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Minifying https://portal.dnb.de/static/js/rememberPosition.js could save 707B (52% reduction).
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Minifying https://portal.dnb.de/static/socialmedia/jquery.socialshareprivacy.js could save 10.2KiB (43% reduction).
Minifying https://portal.dnb.de/static/js/jscalendar/calendar-setup.js could save 5KiB (56% reduction).
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Minifying https://portal.dnb.de/static/js/formFunctions.js could save 731B (60% reduction).
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priority - 3Avoid 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://d-nb.info/
https://portal.dnb.de/
https://portal.dnb.de/opac.htm;jsessionid=0EA7CEA6…%2Fportal.dnb.de%2Fdod
https://portal.dnb.de/
https://portal.dnb.de/opac.htm;jsessionid=0EA7CEA6…%2Fportal.dnb.de%2Fdod
priority - 1Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 5.4KiB (46% reduction).
Compressing https://portal.dnb.de/static/bilder/logo.gif could save 1.8KiB (39% reduction).
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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 1.6KiB (26% 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 684B (15% reduction).
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d-nb.info Desktop Resource Breakdown
| Total Resources | 46 |
| Number of Hosts | 2 |
| Static Resources | 43 |
| JavaScript Resources | 14 |
| CSS Resources | 6 |
d-nb.info mobile page speed rank
Last tested: 2016-11-20
Mobile Speed
Bad
61/100
d-nb.info Mobile Speed Test Quick Summary
priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 14 blocking script resources and 5 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://portal.dnb.de/static/js/onLoadBody.js
https://portal.dnb.de/static/js/rememberPosition.js
https://portal.dnb.de/static/js/popups.js
https://portal.dnb.de/static/js/sendForm.js
https://portal.dnb.de/static/js/help.js
https://portal.dnb.de/static/js/formFunctions.js
https://portal.dnb.de/static/js/checkTextAreaLength.js
https://portal.dnb.de/static/js/toggleCheckboxes.js
https://portal.dnb.de/static/js/jscalendar/calendar.js
https://portal.dnb.de/static/js/jscalendar/lang/calendar-de.js
https://portal.dnb.de/static/js/jscalendar/calendar-setup.js
https://portal.dnb.de/static/js/jquery-1.11.0.min.js
https://portal.dnb.de/static/js/jquery-migrate-1.2.1.min.js
https://portal.dnb.de/static/socialmedia/jquery.socialshareprivacy.js
https://portal.dnb.de/static/js/rememberPosition.js
https://portal.dnb.de/static/js/popups.js
https://portal.dnb.de/static/js/sendForm.js
https://portal.dnb.de/static/js/help.js
https://portal.dnb.de/static/js/formFunctions.js
https://portal.dnb.de/static/js/checkTextAreaLength.js
https://portal.dnb.de/static/js/toggleCheckboxes.js
https://portal.dnb.de/static/js/jscalendar/calendar.js
https://portal.dnb.de/static/js/jscalendar/lang/calendar-de.js
https://portal.dnb.de/static/js/jscalendar/calendar-setup.js
https://portal.dnb.de/static/js/jquery-1.11.0.min.js
https://portal.dnb.de/static/js/jquery-migrate-1.2.1.min.js
https://portal.dnb.de/static/socialmedia/jquery.socialshareprivacy.js
Optimize CSS Delivery of the following:
https://portal.dnb.de/static/css/layout_2col_73.css
https://portal.dnb.de/static/css/webservice.css
https://portal.dnb.de/static/css/dnb.css
https://portal.dnb.de/static/css/style.css
https://portal.dnb.de/static/js/jscalendar/calendar-win2k-cold-1.css
https://portal.dnb.de/static/css/webservice.css
https://portal.dnb.de/static/css/dnb.css
https://portal.dnb.de/static/css/style.css
https://portal.dnb.de/static/js/jscalendar/calendar-win2k-cold-1.css
priority - 14Enable 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 131.7KiB (68% reduction).
Compressing https://portal.dnb.de/static/js/jquery-1.11.0.min.js could save 61.5KiB (65% reduction).
Compressing https://portal.dnb.de/static/js/jscalendar/calendar.js could save 36.7KiB (73% reduction).
Compressing https://portal.dnb.de/static/socialmedia/jquery.socialshareprivacy.js could save 18.5KiB (76% reduction).
Compressing https://portal.dnb.de/static/js/jscalendar/calendar-setup.js could save 6KiB (67% reduction).
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Compressing https://portal.dnb.de/static/js/jscalendar/lang/calendar-de.js could save 2.2KiB (57% reduction).
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Compressing https://portal.dnb.de/static/js/formFunctions.js could save 630B (52% reduction).
Compressing https://portal.dnb.de/static/js/jscalendar/calendar.js could save 36.7KiB (73% reduction).
Compressing https://portal.dnb.de/static/socialmedia/jquery.socialshareprivacy.js could save 18.5KiB (76% reduction).
Compressing https://portal.dnb.de/static/js/jscalendar/calendar-setup.js could save 6KiB (67% reduction).
Compressing https://portal.dnb.de/static/js/jquery-migrate-1.2.1.min.js could save 4KiB (57% reduction).
Compressing https://portal.dnb.de/static/js/jscalendar/lang/calendar-de.js could save 2.2KiB (57% reduction).
Compressing https://portal.dnb.de/static/js/help.js could save 1.5KiB (56% reduction).
Compressing https://portal.dnb.de/static/js/rememberPosition.js could save 736B (54% reduction).
Compressing https://portal.dnb.de/static/js/formFunctions.js could save 630B (52% reduction).
priority - 10Avoid 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://d-nb.info/
https://portal.dnb.de/
https://portal.dnb.de/opac.htm;jsessionid=95002C9A…%2Fportal.dnb.de%2Fdod
https://portal.dnb.de/
https://portal.dnb.de/opac.htm;jsessionid=95002C9A…%2Fportal.dnb.de%2Fdod
priority - 4Minify 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 35.6KiB (40% reduction).
Minifying https://portal.dnb.de/static/js/jscalendar/calendar.js could save 16.8KiB (34% reduction).
Minifying https://portal.dnb.de/static/socialmedia/jquery.socialshareprivacy.js could save 10.2KiB (43% reduction).
Minifying https://portal.dnb.de/static/js/jscalendar/calendar-setup.js could save 5KiB (56% reduction).
Minifying https://portal.dnb.de/static/js/jscalendar/lang/calendar-de.js could save 1.7KiB (44% reduction).
Minifying https://portal.dnb.de/static/js/formFunctions.js could save 731B (60% reduction).
Minifying https://portal.dnb.de/static/js/rememberPosition.js could save 707B (52% reduction).
Minifying https://portal.dnb.de/static/js/popups.js could save 535B (51% reduction).
Minifying https://portal.dnb.de/static/socialmedia/jquery.socialshareprivacy.js could save 10.2KiB (43% reduction).
Minifying https://portal.dnb.de/static/js/jscalendar/calendar-setup.js could save 5KiB (56% reduction).
Minifying https://portal.dnb.de/static/js/jscalendar/lang/calendar-de.js could save 1.7KiB (44% reduction).
Minifying https://portal.dnb.de/static/js/formFunctions.js could save 731B (60% reduction).
Minifying https://portal.dnb.de/static/js/rememberPosition.js could save 707B (52% reduction).
Minifying https://portal.dnb.de/static/js/popups.js could save 535B (51% reduction).
priority - 1Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 5.4KiB (46% reduction).
Compressing https://portal.dnb.de/static/bilder/logo.gif could save 1.8KiB (39% reduction).
Compressing https://portal.dnb.de/static/bilder/header_0.gif could save 1.5KiB (83% reduction).
Compressing https://portal.dnb.de/static/bilder/button_suche_gelb.gif could save 761B (87% reduction).
Compressing https://portal.dnb.de/static/bilder/listenpunkt.gif could save 732B (89% reduction).
Compressing https://portal.dnb.de/static/bilder/header_haeuser.gif could save 625B (17% reduction).
Compressing https://portal.dnb.de/static/bilder/header_0.gif could save 1.5KiB (83% reduction).
Compressing https://portal.dnb.de/static/bilder/button_suche_gelb.gif could save 761B (87% reduction).
Compressing https://portal.dnb.de/static/bilder/listenpunkt.gif could save 732B (89% reduction).
Compressing https://portal.dnb.de/static/bilder/header_haeuser.gif could save 625B (17% 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 1.6KiB (26% reduction).
Minifying https://portal.dnb.de/static/css/webservice.css could save 972B (28% reduction) after compression.
Minifying https://portal.dnb.de/static/css/style.css could save 689B (25% reduction) after compression.
Minifying https://portal.dnb.de/static/css/style.css could save 689B (25% 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 684B (15% reduction).
Minifying https://portal.dnb.de/opac.htm;jsessionid=95002C9A…%2Fportal.dnb.de%2Fdod could save 684B (15% reduction) after compression.
d-nb.info Mobile Resource Breakdown
| Total Resources | 46 |
| Number of Hosts | 2 |
| Static Resources | 43 |
| JavaScript Resources | 14 |
| CSS Resources | 6 |
d-nb.info mobile page usability
Last tested: 2016-11-20
Mobile Usability
Bad
62/100
d-nb.info Mobile Usability Test Quick Summary
priority - 40Use legible font sizes
The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.
The following text fragments have a small font size. Increase the font size to make them more legible.
Kontakt renders only 4 pixels tall (11 CSS pixels).A-Z renders only 4 pixels tall (11 CSS pixels).Förderer renders only 4 pixels tall (11 CSS pixels).Datenschutz renders only 4 pixels tall (11 CSS pixels).Impressum renders only 4 pixels tall (11 CSS pixels).Hilfe renders only 4 pixels tall (11 CSS pixels).Mein Konto renders only 4 pixels tall (11 CSS pixels).English renders only 4 pixels tall (11 CSS pixels).Katalog renders only 4 pixels tall (11 CSS pixels).Einfache Suche renders only 4 pixels tall (11 CSS pixels).Erweiterte Suche and 4 others render only 4 pixels tall (11 CSS pixels).Ablieferung vo…zpublikationen and 3 others render only 4 pixels tall (11 CSS pixels).Über die Deutsche and 1 others render only 4 pixels tall (11 CSS pixels).KATALOG DER DE…ONALBIBLIOTHEK renders only 7 pixels tall (19 CSS pixels).Gesamter Bestand renders only 4 pixels tall (11 CSS pixels).Exilsammlungen and 2 others render only 4 pixels tall (11 CSS pixels).Expertensuche renders only 4 pixels tall (11 CSS pixels).? renders only 5 pixels tall (13 CSS pixels).Ihre Meinung i…dnb.de/umfrage and 3 others render only 5 pixels tall (12 CSS pixels).Willkommen im…onalbibliothek renders only 6 pixels tall (15 CSS pixels).Der Katalog um…a (seit 1941). and 5 others render only 5 pixels tall (12 CSS pixels).Reihe A and 8 others render only 5 pixels tall (12 CSS pixels).Ihre Meinung ist uns wichtig renders only 5 pixels tall (12 CSS pixels).Version 1.6.29…11-07T14:54:04 renders only 4 pixels tall (11 CSS pixels).Seitenanfang renders only 4 pixels tall (11 CSS pixels).priority - 13Size 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="http://www.dnb…r/kontakt.html" class="header_1">Kontakt</a> is close to 1 other tap targets.The tap target
<a href="http://www.dnb…der/abisz.html" class="header_2">A-Z</a> is close to 2 other tap targets.The tap target
<a href="http://www.dnb…foerderer.html" class="header_3">Förderer</a> is close to 2 other tap targets.The tap target
<a href="http://www.dnb…der/hilfe.html" class="header_6">Hilfe</a> is close to 2 other tap targets.The tap target
<a href="http://www.dnb…home_node.html" class="header_8">English</a> is close to 1 other tap targets.The tap target
<a href="/opac.htm?meth…showSearchForm">Katalog</a> is close to 1 other tap targets.The tap target
<a href="/opac.htm?meth…SearchForm#top">Einfache Suche</a> is close to 2 other tap targets.The tap target
<a href="/opac.htm?meth…howOptions#top">Erweiterte Suche</a> and 4 others are close to other tap targets.The tap target
<a href="/metadataShop.htm#top">Datenshop</a> and 3 others are close to other tap targets.The tap target
<a href="/opac.htm?meth…edCategory=any">Gesamter Bestand</a> is close to 1 other tap targets.The tap target
<a href="/opac.htm?meth…tegory=dnb.dma">Musikarchiv</a> and 2 others are close to other tap targets.The tap target
<input type="text" name="query"> is close to 1 other tap targets.The tap target
<input type="checkbox" name="cqlMode"> is close to 2 other tap targets.The tap target
<a href="/opac.htm?meth…Natbib&serie=A">Reihe A</a> and 8 others are close to other tap targets.priority - 10Configure the viewport
Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.
d-nb.info HTML validation
Errors
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
Line: 1 Column: - 2
"...<?xml version="1..."
"...<?xml version="1..."
Obsolete doctype. Expected “<!DOCTYPE html>”.
Line: 2 Column: 39 - 109
"...="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html..."
"...="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html..."
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Line: 310 Column: 6 - 52
"...=I"> <img src="/static/bilder/icon_email_klein.gif"> ..."
"...=I"> <img src="/static/bilder/icon_email_klein.gif"> ..."
The “shape” attribute on the “a” element is obsolete. Use “area” instead of “a” for image maps.
Line: 345 Column: 67 - 241
"...1T14:49:27<a href="https://portal.dnb.de:443/opac.htm;jsessionid=A6A5FB51678EAF16F3B39D157876F154.prod-worker1#header" title="Sprungmarke zum Seitenbeginn" tabindex="1000" shape="rect">Seiten..."
"...1T14:49:27<a href="https://portal.dnb.de:443/opac.htm;jsessionid=A6A5FB51678EAF16F3B39D157876F154.prod-worker1#header" title="Sprungmarke zum Seitenbeginn" tabindex="1000" shape="rect">Seiten..."
Warnings
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
Line: 140 Column: 4 - 22
"...</div> <a name="metamenu"></a> ..." Line: 156 Column: 4 - 28
"...rumb"> <a name="pfadnavigation"></a> ..." Line: 165 Column: 2 - 21
"...tion"> <a name="hauptmenu"></a> ..." Line: 212 Column: 4 - 20
"...tent"> <a name="inhalt"> </a> ..."
"...</div> <a name="metamenu"></a> ..." Line: 156 Column: 4 - 28
"...rumb"> <a name="pfadnavigation"></a> ..." Line: 165 Column: 2 - 21
"...tion"> <a name="hauptmenu"></a> ..." Line: 212 Column: 4 - 20
"...tent"> <a name="inhalt"> </a> ..."
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d-nb.info 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.
d-nb.info 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.