hhu.de Website Information
Daily Unique Visits: 122,951
Daily Page Views: 737,706
Income Per Day: $1,475
Estimated Value: $1,062,000
This website is located in Germany and is using following IP address 134.99.128.238. See the complete list of popular websites hosted in Germany.
hhu.de is registered under .DE top-level domain. Please check other sites in .DE zone.
Website hhu.de is using the following name servers:
- ns1.arcor-ip.de
- ns3.arcor-ip.de
- sirene.rz.uni-duesseldorf.de
- selene.rz.uni-duesseldorf.de
- ns2.arcor-ip.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 hhu.de position in Alexa rank database was 10287 and the lowest rank position was 13533. Current position of hhu.de in Alexa rank database is 11665.
Desktop speed score of hhu.de (62/100) is better than the results of 38.44% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of hhu.de (89/100) is better than the results of 31.01% of other sites and means that the page is mobile-friendly.
Mobile speed score of hhu.de (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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hhu.de 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.
hhu.de 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: hhu.de
Status: connect
Status: connect
hhu.de server information
Servers Location
hhu.de desktop page speed rank
Last tested: 2017-05-21
Desktop Speed
Bad
62/100
hhu.de Desktop Speed Test Quick Summary
priority - 29Enable compression
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priority - 17Leverage 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.
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priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content
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priority - 7Optimize images
Properly formatting and compressing images can save many bytes of data.
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priority - 2Minify CSS
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priority - 1Minify JavaScript
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Minifying http://www.uni-duesseldorf.de/home/fileadmin/scripts/scripts.js?1336730338 could save 571B (41% reduction).
Minifying http://www.uni-duesseldorf.de/home/fileadmin/scrip…ccordion.js?1323958088 could save 1.6KiB (67% reduction).
Minifying http://www.uni-duesseldorf.de/home/fileadmin/scrip…gleslide.js?1355229359 could save 1.4KiB (34% reduction).
Minifying http://www.uni-duesseldorf.de/home/fileadmin/scrip…t_device.js?1481721098 could save 856B (24% reduction).
Minifying http://www.uni-duesseldorf.de/home/fileadmin/scrip…y.cookie.js?1310120424 could save 711B (47% reduction).
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hhu.de Desktop Resource Breakdown
| Total Resources | 59 |
| Number of Hosts | 3 |
| Static Resources | 34 |
| JavaScript Resources | 15 |
| CSS Resources | 10 |
hhu.de mobile page speed rank
Last tested: 2018-06-15
Mobile Speed
Bad
38/100
hhu.de Mobile Speed Test Quick Summary
priority - 72Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 15 blocking script resources and 10 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://www.uni-duesseldorf.de/home/fileadmin/scrip…11.2.min.js?1424277603
http://www.uni-duesseldorf.de/home/fileadmin/scrip…t_device.js?1481721098
http://www.uni-duesseldorf.de/home/fileadmin/scripts/scripts.js?1336730338
http://www.uni-duesseldorf.de/home/fileadmin/scrip…y.cookie.js?1310120424
http://www.uni-duesseldorf.de/home/fileadmin/scrip…ccordion.js?1323958088
http://www.uni-duesseldorf.de/home/fileadmin/scrip…ider-new.js?1502460228
http://www.uni-duesseldorf.de/home/fileadmin/scrip…eelement.js?1373284502
http://www.uni-duesseldorf.de/home/fileadmin/boots…nsit.min.js?1444377596
http://www.uni-duesseldorf.de/home/fileadmin/scrip…ficPopup.js?1445418222
http://www.uni-duesseldorf.de/home/fileadmin/boots…Maps.min.js?1473963036
http://www.uni-duesseldorf.de/home/fileadmin/scrip…gleslide.js?1355229359
http://www.uni-duesseldorf.de/home/fileadmin/scrip…inslider.js?1359387432
http://www.uni-duesseldorf.de/home/typo3temp/javas…43d5ea6c.js?1490884971
http://www.uni-duesseldorf.de/home/typo3conf/ext/i…pi1/bannerrotation2.js
http://piwik.rz.uni-duesseldorf.de/piwik/piwik.js
http://www.uni-duesseldorf.de/home/fileadmin/scrip…t_device.js?1481721098
http://www.uni-duesseldorf.de/home/fileadmin/scripts/scripts.js?1336730338
http://www.uni-duesseldorf.de/home/fileadmin/scrip…y.cookie.js?1310120424
http://www.uni-duesseldorf.de/home/fileadmin/scrip…ccordion.js?1323958088
http://www.uni-duesseldorf.de/home/fileadmin/scrip…ider-new.js?1502460228
http://www.uni-duesseldorf.de/home/fileadmin/scrip…eelement.js?1373284502
http://www.uni-duesseldorf.de/home/fileadmin/boots…nsit.min.js?1444377596
http://www.uni-duesseldorf.de/home/fileadmin/scrip…ficPopup.js?1445418222
http://www.uni-duesseldorf.de/home/fileadmin/boots…Maps.min.js?1473963036
http://www.uni-duesseldorf.de/home/fileadmin/scrip…gleslide.js?1355229359
http://www.uni-duesseldorf.de/home/fileadmin/scrip…inslider.js?1359387432
http://www.uni-duesseldorf.de/home/typo3temp/javas…43d5ea6c.js?1490884971
http://www.uni-duesseldorf.de/home/typo3conf/ext/i…pi1/bannerrotation2.js
http://piwik.rz.uni-duesseldorf.de/piwik/piwik.js
Optimize CSS Delivery of the following:
http://www.uni-duesseldorf.de/home/typo3temp/style…57822d4.css?1490884971
http://www.uni-duesseldorf.de/home/typo3conf/ext/i…galerie.css?1448355723
http://www.uni-duesseldorf.de/home/fileadmin/css/styles.css?1502459856
http://www.uni-duesseldorf.de/home/fileadmin/css/n…ation_7.css?1493721544
http://www.uni-duesseldorf.de/home/fileadmin/css/fce.css?1319374722
http://www.uni-duesseldorf.de/home/fileadmin/css/r…_spalte.css?1331128557
http://www.uni-duesseldorf.de/home/fileadmin/css/responsible.css?1319374722
http://www.uni-duesseldorf.de/home/fileadmin/css/w…station.css?1359975640
http://www.uni-duesseldorf.de/home/typo3conf/ext/i…pi1/bannerrotation.css
https://fonts.googleapis.com/css?family=PT+Sans:400,700
http://www.uni-duesseldorf.de/home/typo3conf/ext/i…galerie.css?1448355723
http://www.uni-duesseldorf.de/home/fileadmin/css/styles.css?1502459856
http://www.uni-duesseldorf.de/home/fileadmin/css/n…ation_7.css?1493721544
http://www.uni-duesseldorf.de/home/fileadmin/css/fce.css?1319374722
http://www.uni-duesseldorf.de/home/fileadmin/css/r…_spalte.css?1331128557
http://www.uni-duesseldorf.de/home/fileadmin/css/responsible.css?1319374722
http://www.uni-duesseldorf.de/home/fileadmin/css/w…station.css?1359975640
http://www.uni-duesseldorf.de/home/typo3conf/ext/i…pi1/bannerrotation.css
https://fonts.googleapis.com/css?family=PT+Sans:400,700
priority - 44Enable 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 425.3KiB (73% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/scrip…11.2.min.js?1424277603 could save 61.2KiB (65% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/bootstrap/css/bootstrap.css could save 46.4KiB (85% reduction).
Compressing http://www.uni-duesseldorf.de/home/startseite.html could save 45.5KiB (78% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/css/styles.css?1502459856 could save 43.4KiB (83% reduction).
Compressing http://piwik.rz.uni-duesseldorf.de/piwik/piwik.js could save 42KiB (65% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/css/responsive/hhu2015.css could save 38KiB (82% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/bootstrap/js/bootstrap.min.js could save 26.4KiB (73% reduction).
Compressing http://www.uni-duesseldorf.de/home/typo3temp/style…57822d4.css?1490884971 could save 23.4KiB (80% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/bootstrap/js/responsive.js could save 23.3KiB (80% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/images/svg/hhu_logo.svg could save 20.4KiB (61% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/scrip…ficPopup.js?1445418222 could save 13.3KiB (63% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/css/n…ation_7.css?1493721544 could save 6.4KiB (81% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/bootstrap/css/bootstrap_dd.css could save 5.8KiB (70% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/boots…nsit.min.js?1444377596 could save 4.4KiB (63% reduction).
Compressing http://www.uni-duesseldorf.de/home/typo3conf/ext/i…galerie.css?1448355723 could save 3.6KiB (74% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/scrip…gleslide.js?1355229359 could save 2.9KiB (69% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/scrip…t_device.js?1481721098 could save 2.7KiB (75% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/css/w…station.css?1359975640 could save 1.9KiB (73% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/css/responsive/tablet-V.css could save 1.9KiB (71% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/scrip…inslider.js?1359387432 could save 1.6KiB (61% reduction).
Compressing http://www.uni-duesseldorf.de/home/typo3conf/ext/i…pi1/bannerrotation2.js could save 1.6KiB (67% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/scrip…ider-new.js?1502460228 could save 1.6KiB (60% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/scrip…ccordion.js?1323958088 could save 1.5KiB (64% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/scrip…y.cookie.js?1310120424 could save 839B (54% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/scripts/scripts.js?1336730338 could save 782B (55% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/images/svg/en_icon.svg could save 667B (57% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/images/svg/user_icon.svg could save 652B (45% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/scrip…eelement.js?1373284502 could save 574B (58% reduction).
Compressing http://www.uni-duesseldorf.de/home/typo3temp/javas…43d5ea6c.js?1490884971 could save 523B (56% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/images/svg/hhu_logo_min.svg could save 492B (50% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/boots…Maps.min.js?1473963036 could save 466B (42% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/css/print.css?1319374722 could save 465B (55% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/css/fce.css?1319374722 could save 428B (51% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/images/svg/search_icon.svg could save 166B (34% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/images/svg/navi_icon.svg could save 113B (31% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/images/svg/portal_icon.svg could save 113B (28% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/bootstrap/css/bootstrap.css could save 46.4KiB (85% reduction).
Compressing http://www.uni-duesseldorf.de/home/startseite.html could save 45.5KiB (78% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/css/styles.css?1502459856 could save 43.4KiB (83% reduction).
Compressing http://piwik.rz.uni-duesseldorf.de/piwik/piwik.js could save 42KiB (65% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/css/responsive/hhu2015.css could save 38KiB (82% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/bootstrap/js/bootstrap.min.js could save 26.4KiB (73% reduction).
Compressing http://www.uni-duesseldorf.de/home/typo3temp/style…57822d4.css?1490884971 could save 23.4KiB (80% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/bootstrap/js/responsive.js could save 23.3KiB (80% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/images/svg/hhu_logo.svg could save 20.4KiB (61% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/scrip…ficPopup.js?1445418222 could save 13.3KiB (63% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/css/n…ation_7.css?1493721544 could save 6.4KiB (81% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/bootstrap/css/bootstrap_dd.css could save 5.8KiB (70% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/boots…nsit.min.js?1444377596 could save 4.4KiB (63% reduction).
Compressing http://www.uni-duesseldorf.de/home/typo3conf/ext/i…galerie.css?1448355723 could save 3.6KiB (74% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/scrip…gleslide.js?1355229359 could save 2.9KiB (69% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/scrip…t_device.js?1481721098 could save 2.7KiB (75% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/css/w…station.css?1359975640 could save 1.9KiB (73% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/css/responsive/tablet-V.css could save 1.9KiB (71% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/scrip…inslider.js?1359387432 could save 1.6KiB (61% reduction).
Compressing http://www.uni-duesseldorf.de/home/typo3conf/ext/i…pi1/bannerrotation2.js could save 1.6KiB (67% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/scrip…ider-new.js?1502460228 could save 1.6KiB (60% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/scrip…ccordion.js?1323958088 could save 1.5KiB (64% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/scrip…y.cookie.js?1310120424 could save 839B (54% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/scripts/scripts.js?1336730338 could save 782B (55% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/images/svg/en_icon.svg could save 667B (57% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/images/svg/user_icon.svg could save 652B (45% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/scrip…eelement.js?1373284502 could save 574B (58% reduction).
Compressing http://www.uni-duesseldorf.de/home/typo3temp/javas…43d5ea6c.js?1490884971 could save 523B (56% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/images/svg/hhu_logo_min.svg could save 492B (50% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/boots…Maps.min.js?1473963036 could save 466B (42% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/css/print.css?1319374722 could save 465B (55% reduction).
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Compressing http://www.uni-duesseldorf.de/home/fileadmin/images/svg/search_icon.svg could save 166B (34% reduction).
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priority - 34Leverage 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:
http://piwik.rz.uni-duesseldorf.de/piwik/piwik.js (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin//reda…r_Briefwahl2018_RE.gif (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin//reda…Frankreichtag-2018.png (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin//reda…er_Gremwahlen_2018.png (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin//reda…WS_2018-19_Motiv_1.png (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin//reda…iss._2018_Motiv_1a.jpg (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/_proc…ed_2016_83a774d19f.jpg (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/_proc…erklein_2d3cf9f499.png (expiration not specified)
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http://www.uni-duesseldorf.de/home/fileadmin/_proc…INthinz_f784e61ca8.png (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/_proc…_Rahmen_57f7a25323.jpg (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/bootstrap/css/bootstrap.css (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/bootstrap/css/bootstrap_dd.css (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/bootstrap/js/bootstrap.min.js (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/bootstrap/js/responsive.js (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/css/responsive/hhu2015.css (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/css/responsive/tablet-V.css (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/icons/grey_box_close.gif (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/icons/slider_stop_button.gif (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/images/english_flag.gif (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/images/hhu_footer_dot.gif (expiration not specified)
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http://www.uni-duesseldorf.de/home/fileadmin/images/icons/a_metanavi.gif (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/images/icons/icon_feed_cal.gif (expiration not specified)
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http://www.uni-duesseldorf.de/home/fileadmin/images/icons/icon_news.gif (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/image…s/icon_weitersagen.png (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/image…s/link-icon-extern.gif (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/image…ons/link-icon-mail.gif (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/images/kalender.gif (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/images/svg/en_icon.svg (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/images/svg/hhu_logo.svg (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/images/svg/hhu_logo_min.svg (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/images/svg/navi_icon.svg (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/images/svg/portal_icon.svg (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/images/svg/search_icon.svg (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/images/svg/user_icon.svg (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/image…i_duesseldorf_logo.gif (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/images/zgnavi_base_7_7.gif (expiration not specified)
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http://www.uni-duesseldorf.de/home/fileadmin/redak…versityPortalseite.jpg (expiration not specified)
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http://www.uni-duesseldorf.de/home/fileadmin/images/icons/icon_feed_cal.gif (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/image…ons/icon_feed_news.gif (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/images/icons/icon_news.gif (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/image…s/icon_weitersagen.png (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/image…s/link-icon-extern.gif (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/image…ons/link-icon-mail.gif (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/images/kalender.gif (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/images/svg/en_icon.svg (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/images/svg/hhu_logo.svg (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/images/svg/hhu_logo_min.svg (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/images/svg/navi_icon.svg (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/images/svg/portal_icon.svg (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/images/svg/search_icon.svg (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/images/svg/user_icon.svg (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/image…i_duesseldorf_logo.gif (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/images/zgnavi_base_7_7.gif (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/redak…cebook-144ednhochn.png (expiration not specified)
http://www.uni-duesseldorf.de/home/fileadmin/redak…versityPortalseite.jpg (expiration not specified)
http://www.uni-duesseldorf.de/home/typo3conf/ext/i…pi1/bannerrotation.css (expiration not specified)
http://www.uni-duesseldorf.de/home/typo3conf/ext/i…pi1/bannerrotation2.js (expiration not specified)
http://www.uni-duesseldorf.de/home/uploads/tx_igke…NeuMasteredfinwebe.gif (expiration not specified)
https://www.uni-duesseldorf.de/home/fileadmin/suchen-G.gif (expiration not specified)
priority - 16Prioritize 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 47% 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 - 7Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 64.3KiB (52% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin//reda…iss._2018_Motiv_1a.jpg could save 40.2KiB (74% reduction).
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Compressing http://www.uni-duesseldorf.de/home/fileadmin/images/icons/icon_feed_cal.gif could save 197B (33% reduction).
Compressing http://www.uni-duesseldorf.de/home/fileadmin/images/icons/icon_news.gif could save 140B (36% reduction).
priority - 4Minify 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 35.5KiB (17% reduction).
Minifying http://www.uni-duesseldorf.de/home/typo3temp/style…57822d4.css?1490884971 could save 8.4KiB (30% reduction).
Minifying http://www.uni-duesseldorf.de/home/fileadmin/css/styles.css?1502459856 could save 7.8KiB (15% reduction).
Minifying http://www.uni-duesseldorf.de/home/fileadmin/css/responsive/hhu2015.css could save 7.8KiB (17% reduction).
Minifying http://www.uni-duesseldorf.de/home/fileadmin/bootstrap/css/bootstrap.css could save 7.3KiB (14% reduction).
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Minifying http://www.uni-duesseldorf.de/home/fileadmin/css/n…ation_7.css?1493721544 could save 877B (11% reduction).
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Minifying http://www.uni-duesseldorf.de/home/fileadmin/bootstrap/css/bootstrap.css could save 7.3KiB (14% reduction).
Minifying http://www.uni-duesseldorf.de/home/fileadmin/bootstrap/css/bootstrap_dd.css could save 1.7KiB (22% reduction).
Minifying http://www.uni-duesseldorf.de/home/fileadmin/css/n…ation_7.css?1493721544 could save 877B (11% reduction).
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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 18.2KiB (35% reduction).
Minifying http://www.uni-duesseldorf.de/home/fileadmin/bootstrap/js/responsive.js could save 9.3KiB (33% reduction).
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hhu.de Mobile Resource Breakdown
| Total Resources | 75 |
| Number of Hosts | 5 |
| Static Resources | 46 |
| JavaScript Resources | 17 |
| CSS Resources | 15 |
hhu.de mobile page usability
Last tested: 2018-06-15
Mobile Usability
Good
89/100
hhu.de Mobile Usability Test Quick Summary
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.
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
<div id="usernav_toggle" class="burger_wrap navbar-toggle"></div> is close to 1 other tap targets.The tap target
<div id="menu_users" class="artclose"></div> is close to 1 other tap targets.The tap target
<div id="searchform_toggle" class="burger_wrap navbar-toggle"></div> is close to 1 other tap targets.hhu.de HTML validation
Errors
Obsolete doctype. Expected “<!DOCTYPE html>”.
Line: 3 Column: 1 - 56
"...<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html..."
"...<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html..."
Bad value “cache-control” for attribute “http-equiv” on element “meta”.
Line: 51 Column: 1 - 54
"...script> <meta http-equiv="cache-control" content="no-cache" /><meta ..."
"...script> <meta http-equiv="cache-control" content="no-cache" /><meta ..."
Bad value “pragma” for attribute “http-equiv” on element “meta”.
Line: 51 Column: 55 - 101
"...-cache" /><meta http-equiv="pragma" content="no-cache" /><meta ..."
"...-cache" /><meta http-equiv="pragma" content="no-cache" /><meta ..."
Bad value “280px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Line: 63 Column: 33 - 114
"...ite.html"><img width="280px" height="150px" src="/home/fileadmin/images/svg/hhu_logo.svg" /></a> <..."
"...ite.html"><img width="280px" height="150px" src="/home/fileadmin/images/svg/hhu_logo.svg" /></a> <..."
Bad value “150px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Line: 63 Column: 33 - 114
"...ite.html"><img width="280px" height="150px" src="/home/fileadmin/images/svg/hhu_logo.svg" /></a> <..."
"...ite.html"><img width="280px" height="150px" src="/home/fileadmin/images/svg/hhu_logo.svg" /></a> <..."
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Line: 63 Column: 33 - 114
"...ite.html"><img width="280px" height="150px" src="/home/fileadmin/images/svg/hhu_logo.svg" /></a> <..." Line: 69 Column: 13 - 93
"... <img height="48px" width="35px" src="/home/fileadmin/images/svg/user_icon.svg" /> ..." Line: 74 Column: 13 - 69
"... <img src="/home/fileadmin/images/svg/hhu_logo_min.svg" /> ..." Line: 78 Column: 9 - 91
"...> <img height="48px" width="25px" src="/home/fileadmin/images/svg/search_icon.svg" /> <..." Line: 87 Column: 13 - 91
"... <img width="46px" height="20px" src="/home/fileadmin/images/svg/en_icon.svg" /> ..." Line: 92 Column: 140 - 222
"...-default"><img width="16px" height="14px" src="/home/fileadmin/images/svg/portal_icon.svg" />  ..." Line: 92 Column: 430 - 512
"...-default"><img width="16px" height="14px" src="/home/fileadmin/images/svg/portal_icon.svg" />  ..." Line: 92 Column: 728 - 810
"...-default"><img width="16px" height="14px" src="/home/fileadmin/images/svg/portal_icon.svg" />  ..." Line: 128 Column: 13 - 66
"... <img src="/home/fileadmin/images/svg/navi_icon.svg" /> ..." Line: 134 Column: 255 - 363
"...acity:1;"><img src="/home/fileadmin//redaktion/HHU_Webbanner/Banner_Heine-Zitat_170x250.jpg" width="170" height="250"/></a><a..." Line: 134 Column: 621 - 738
"...acity:0;"><img src="/home/fileadmin//redaktion/HHU_Webbanner/Banner_HHU-WiProfessur2017-18_Bock1.jpg" width="170" height="250"/></a></..."
"...ite.html"><img width="280px" height="150px" src="/home/fileadmin/images/svg/hhu_logo.svg" /></a> <..." Line: 69 Column: 13 - 93
"... <img height="48px" width="35px" src="/home/fileadmin/images/svg/user_icon.svg" /> ..." Line: 74 Column: 13 - 69
"... <img src="/home/fileadmin/images/svg/hhu_logo_min.svg" /> ..." Line: 78 Column: 9 - 91
"...> <img height="48px" width="25px" src="/home/fileadmin/images/svg/search_icon.svg" /> <..." Line: 87 Column: 13 - 91
"... <img width="46px" height="20px" src="/home/fileadmin/images/svg/en_icon.svg" /> ..." Line: 92 Column: 140 - 222
"...-default"><img width="16px" height="14px" src="/home/fileadmin/images/svg/portal_icon.svg" />  ..." Line: 92 Column: 430 - 512
"...-default"><img width="16px" height="14px" src="/home/fileadmin/images/svg/portal_icon.svg" />  ..." Line: 92 Column: 728 - 810
"...-default"><img width="16px" height="14px" src="/home/fileadmin/images/svg/portal_icon.svg" />  ..." Line: 128 Column: 13 - 66
"... <img src="/home/fileadmin/images/svg/navi_icon.svg" /> ..." Line: 134 Column: 255 - 363
"...acity:1;"><img src="/home/fileadmin//redaktion/HHU_Webbanner/Banner_Heine-Zitat_170x250.jpg" width="170" height="250"/></a><a..." Line: 134 Column: 621 - 738
"...acity:0;"><img src="/home/fileadmin//redaktion/HHU_Webbanner/Banner_HHU-WiProfessur2017-18_Bock1.jpg" width="170" height="250"/></a></..."
Bad value “48px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Line: 69 Column: 13 - 93
"... <img height="48px" width="35px" src="/home/fileadmin/images/svg/user_icon.svg" /> ..." Line: 78 Column: 9 - 91
"...> <img height="48px" width="25px" src="/home/fileadmin/images/svg/search_icon.svg" /> <..."
"... <img height="48px" width="35px" src="/home/fileadmin/images/svg/user_icon.svg" /> ..." Line: 78 Column: 9 - 91
"...> <img height="48px" width="25px" src="/home/fileadmin/images/svg/search_icon.svg" /> <..."
Bad value “35px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Line: 69 Column: 13 - 93
"... <img height="48px" width="35px" src="/home/fileadmin/images/svg/user_icon.svg" /> ..."
"... <img height="48px" width="35px" src="/home/fileadmin/images/svg/user_icon.svg" /> ..."
Bad value “25px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Line: 78 Column: 9 - 91
"...> <img height="48px" width="25px" src="/home/fileadmin/images/svg/search_icon.svg" /> <..."
"...> <img height="48px" width="25px" src="/home/fileadmin/images/svg/search_icon.svg" /> <..."
Bad value “46px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Line: 87 Column: 13 - 91
"... <img width="46px" height="20px" src="/home/fileadmin/images/svg/en_icon.svg" /> ..."
"... <img width="46px" height="20px" src="/home/fileadmin/images/svg/en_icon.svg" /> ..."
Bad value “20px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Line: 87 Column: 13 - 91
"... <img width="46px" height="20px" src="/home/fileadmin/images/svg/en_icon.svg" /> ..."
"... <img width="46px" height="20px" src="/home/fileadmin/images/svg/en_icon.svg" /> ..."
Bad value “16px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Line: 92 Column: 140 - 222
"...-default"><img width="16px" height="14px" src="/home/fileadmin/images/svg/portal_icon.svg" />  ..." Line: 92 Column: 430 - 512
"...-default"><img width="16px" height="14px" src="/home/fileadmin/images/svg/portal_icon.svg" />  ..." Line: 92 Column: 728 - 810
"...-default"><img width="16px" height="14px" src="/home/fileadmin/images/svg/portal_icon.svg" />  ..."
"...-default"><img width="16px" height="14px" src="/home/fileadmin/images/svg/portal_icon.svg" />  ..." Line: 92 Column: 430 - 512
"...-default"><img width="16px" height="14px" src="/home/fileadmin/images/svg/portal_icon.svg" />  ..." Line: 92 Column: 728 - 810
"...-default"><img width="16px" height="14px" src="/home/fileadmin/images/svg/portal_icon.svg" />  ..."
Bad value “14px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Line: 92 Column: 140 - 222
"...-default"><img width="16px" height="14px" src="/home/fileadmin/images/svg/portal_icon.svg" />  ..." Line: 92 Column: 430 - 512
"...-default"><img width="16px" height="14px" src="/home/fileadmin/images/svg/portal_icon.svg" />  ..." Line: 92 Column: 728 - 810
"...-default"><img width="16px" height="14px" src="/home/fileadmin/images/svg/portal_icon.svg" />  ..."
"...-default"><img width="16px" height="14px" src="/home/fileadmin/images/svg/portal_icon.svg" />  ..." Line: 92 Column: 430 - 512
"...-default"><img width="16px" height="14px" src="/home/fileadmin/images/svg/portal_icon.svg" />  ..." Line: 92 Column: 728 - 810
"...-default"><img width="16px" height="14px" src="/home/fileadmin/images/svg/portal_icon.svg" />  ..."
The element “a” must not appear as a descendant of the “button” element.
Line: 92 Column: 230 - 354
"... /> <a href="http://www.uni-duesseldorf.de/home/nc/login-links/portale.html" id="mmenu_15035" class="topmenuM_a btn btn-default">Portal..." Line: 92 Column: 520 - 648
"... /> <a href="http://www.uni-duesseldorf.de/home/nc/login-links/ulb-katalog.html" id="mmenu_15034" class="topmenuM_a btn btn-default">ULB-Ka..." Line: 92 Column: 818 - 943
"... /> <a href="http://www.uni-duesseldorf.de/home/nc/login-links/intranet.html" id="mmenu_15033" class="topmenuM_a btn btn-default">Intran..."
"... /> <a href="http://www.uni-duesseldorf.de/home/nc/login-links/portale.html" id="mmenu_15035" class="topmenuM_a btn btn-default">Portal..." Line: 92 Column: 520 - 648
"... /> <a href="http://www.uni-duesseldorf.de/home/nc/login-links/ulb-katalog.html" id="mmenu_15034" class="topmenuM_a btn btn-default">ULB-Ka..." Line: 92 Column: 818 - 943
"... /> <a href="http://www.uni-duesseldorf.de/home/nc/login-links/intranet.html" id="mmenu_15033" class="topmenuM_a btn btn-default">Intran..."
Duplicate ID “googlesearch”.
Line: 248 Column: 3 - 113
"...earch"> <form id="googlesearch" method="get" action="https://www.uni-duesseldorf.de/home/startseite/google-suche.html"> <..."
"...earch"> <form id="googlesearch" method="get" action="https://www.uni-duesseldorf.de/home/startseite/google-suche.html"> <..."
Attribute “value” not allowed on element “input” at this point.
Line: 251 Column: 7 - 118
"... /> <input type="image" src="https://www.uni-duesseldorf.de/home/fileadmin/suchen-G.gif" name="sa" value="suchen" /> ..."
"... /> <input type="image" src="https://www.uni-duesseldorf.de/home/fileadmin/suchen-G.gif" name="sa" value="suchen" /> ..."
Element “input” is missing required attribute “alt”.
Line: 251 Column: 7 - 118
"... /> <input type="image" src="https://www.uni-duesseldorf.de/home/fileadmin/suchen-G.gif" name="sa" value="suchen" /> ..."
"... /> <input type="image" src="https://www.uni-duesseldorf.de/home/fileadmin/suchen-G.gif" name="sa" value="suchen" /> ..."
Duplicate ID “newsticker_list”.
Line: 411 Column: 2 - 26
"...ative;"> <ul id="newsticker_list"> ..."
"...ative;"> <ul id="newsticker_list"> ..."
Duplicate ID “news_1”.
Line: 414 Column: 5 - 34
"... <li class="event" id="news_1"> ..."
"... <li class="event" id="news_1"> ..."
Duplicate ID “news_2”.
Line: 421 Column: 5 - 34
"... <li class="event" id="news_2"> ..."
"... <li class="event" id="news_2"> ..."
Duplicate ID “news_3”.
Line: 427 Column: 5 - 34
"... <li class="event" id="news_3"> ..."
"... <li class="event" id="news_3"> ..."
Duplicate ID “news_4”.
Line: 433 Column: 5 - 34
"... <li class="event" id="news_4"> ..."
"... <li class="event" id="news_4"> ..."
Duplicate ID “news_5”.
Line: 439 Column: 5 - 34
"... <li class="event" id="news_5"> ..."
"... <li class="event" id="news_5"> ..."
Duplicate ID “news_6”.
Line: 445 Column: 5 - 34
"... <li class="event" id="news_6"> ..."
"... <li class="event" id="news_6"> ..."
Duplicate ID “news_7”.
Line: 451 Column: 5 - 34
"... <li class="event" id="news_7"> ..."
"... <li class="event" id="news_7"> ..."
Duplicate ID “news_8”.
Line: 457 Column: 5 - 34
"... <li class="event" id="news_8"> ..."
"... <li class="event" id="news_8"> ..."
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Line: 465 Column: 1541 - 1563
"...default" ><style type="text/css"> #righ..."
"...default" ><style type="text/css"> #righ..."
Warnings
The “navigation” role is unnecessary for element “nav”.
Line: 65 Column: 1 - 53
"...> </span> <nav class="navbar navbar-default" role="navigation"> <di..."
"...> </span> <nav class="navbar navbar-default" role="navigation"> <di..."
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
Line: 133 Column: 49 - 78
"...eft_flex"><a name="c17940" id="c17940x"></a><d..." Line: 136 Column: 8 - 37
"...v> </div><a name="c44000" id="c44000x"></a><d..." Line: 136 Column: 519 - 550
"...div></div><a name="c328058" id="c328058x"></a><d..." Line: 144 Column: 91 - 114
"...H_begin--><a name="c41" id="c41x"></a><d..." Line: 146 Column: 20 - 45
"..."iz_left"><a name="c122" id="c122x"></a><d..." Line: 160 Column: 7 - 38
"...iv> </div><a name="c136218" id="c136218x"></a><d..." Line: 175 Column: 21 - 46
"...iz_right"><a name="c665" id="c665x"></a><d..." Line: 225 Column: 7 - 36
"...iv> </div><a name="c14155" id="c14155x"></a><d..." Line: 268 Column: 82 - 109
"...H_begin--><a name="c1197" id="c1197x"></a><d..." Line: 341 Column: 7 - 36
"...iv> </div><a name="c78053" id="c78053x"></a><d..." Line: 405 Column: 13 - 44
"...div></div><a name="c328060" id="c328060x"></a><d..." Line: 465 Column: 7 - 38
"...iv> </div><a name="c328278" id="c328278x"></a><d..." Line: 465 Column: 514 - 545
"...div></div><a name="c157646" id="c157646x"></a><d..." Line: 465 Column: 997 - 1028
"...div></div><a name="c328252" id="c328252x"></a><d..." Line: 465 Column: 1466 - 1497
"...div></div><a name="c315054" id="c315054x"></a><d..."
"...eft_flex"><a name="c17940" id="c17940x"></a><d..." Line: 136 Column: 8 - 37
"...v> </div><a name="c44000" id="c44000x"></a><d..." Line: 136 Column: 519 - 550
"...div></div><a name="c328058" id="c328058x"></a><d..." Line: 144 Column: 91 - 114
"...H_begin--><a name="c41" id="c41x"></a><d..." Line: 146 Column: 20 - 45
"..."iz_left"><a name="c122" id="c122x"></a><d..." Line: 160 Column: 7 - 38
"...iv> </div><a name="c136218" id="c136218x"></a><d..." Line: 175 Column: 21 - 46
"...iz_right"><a name="c665" id="c665x"></a><d..." Line: 225 Column: 7 - 36
"...iv> </div><a name="c14155" id="c14155x"></a><d..." Line: 268 Column: 82 - 109
"...H_begin--><a name="c1197" id="c1197x"></a><d..." Line: 341 Column: 7 - 36
"...iv> </div><a name="c78053" id="c78053x"></a><d..." Line: 405 Column: 13 - 44
"...div></div><a name="c328060" id="c328060x"></a><d..." Line: 465 Column: 7 - 38
"...iv> </div><a name="c328278" id="c328278x"></a><d..." Line: 465 Column: 514 - 545
"...div></div><a name="c157646" id="c157646x"></a><d..." Line: 465 Column: 997 - 1028
"...div></div><a name="c328252" id="c328252x"></a><d..." Line: 465 Column: 1466 - 1497
"...div></div><a name="c315054" id="c315054x"></a><d..."
The first occurrence of ID “googlesearch” was here.
Line: 94 Column: 9 - 138
"...> <form class="mobisearch" id="googlesearch" action="https://www.uni-duesseldorf.de/home/startseite/google-suche.html" method="get"> ..."
"...> <form class="mobisearch" id="googlesearch" action="https://www.uni-duesseldorf.de/home/startseite/google-suche.html" method="get"> ..."
The first occurrence of ID “newsticker_list” was here.
Line: 274 Column: 2 - 26
"...ative;"> <ul id="newsticker_list"> ..."
"...ative;"> <ul id="newsticker_list"> ..."
The first occurrence of ID “news_1” was here.
Line: 277 Column: 5 - 34
"... <li class="event" id="news_1"> ..."
"... <li class="event" id="news_1"> ..."
The first occurrence of ID “news_2” was here.
Line: 284 Column: 5 - 34
"... <li class="event" id="news_2"> ..."
"... <li class="event" id="news_2"> ..."
The first occurrence of ID “news_3” was here.
Line: 290 Column: 5 - 34
"... <li class="event" id="news_3"> ..."
"... <li class="event" id="news_3"> ..."
The first occurrence of ID “news_4” was here.
Line: 296 Column: 5 - 34
"... <li class="event" id="news_4"> ..."
"... <li class="event" id="news_4"> ..."
The first occurrence of ID “news_5” was here.
Line: 302 Column: 5 - 34
"... <li class="event" id="news_5"> ..."
"... <li class="event" id="news_5"> ..."
The first occurrence of ID “news_6” was here.
Line: 308 Column: 5 - 34
"... <li class="event" id="news_6"> ..."
"... <li class="event" id="news_6"> ..."
The first occurrence of ID “news_7” was here.
Line: 314 Column: 5 - 34
"... <li class="event" id="news_7"> ..."
"... <li class="event" id="news_7"> ..."
The first occurrence of ID “news_8” was here.
Line: 320 Column: 5 - 34
"... <li class="event" id="news_8"> ..."
"... <li class="event" id="news_8"> ..."
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hhu.de 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.
hhu.de 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.