AlexaWhoisServer InformationDesktop SpeedMobile SpeedMobile UsabilityHTML ErrorsPingTraceroute

DKFZ.DE German Cancer Research Center

dkfz.de Website Information

Daily Unique Visits: 80,053

Daily Page Views: 480,318

Income Per Day: $961

Estimated Value: $691,920

This website is located in Germany and is using following IP address 192.54.49.124. See the complete list of popular websites hosted in Germany.

dkfz.de is registered under .DE top-level domain. Please check other sites in .DE zone.

Website dkfz.de is using the following name servers:

  • dns3.belwue.de
  • dns1.belwue.de
  • ns-ext.inet.dkfz-heidelberg.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 dkfz.de position in Alexa rank database was 7448 and the lowest rank position was 994935. Current position of dkfz.de in Alexa rank database is 17916.

Desktop speed score of dkfz.de (48/100) is better than the results of 21.82% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of dkfz.de (60/100) is better than the results of 3.95% of other sites and means that the page is not mobile-friendly.

Mobile speed score of dkfz.de (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.

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dkfz.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.

dkfz.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: dkfz.de
Status: connect

dkfz.de server information

Servers Location

dkfz.de desktop page speed rank

Last tested: 2018-11-24

Desktop Speed Bad
48/100

dkfz.de Desktop Speed Test Quick Summary


priority - 42Enable 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 407.8KiB (72% reduction).

Compressing http://www.dkfz.de/global/jquery_lib/jquery_ui_191…ui-1.9.1.custom.min.js could save 170.8KiB (73% reduction).
Compressing http://www.dkfz.de/global/js2/jquery-1.8.0.min.js could save 58.1KiB (64% reduction).
Compressing http://www.dkfz.de/global/jquery_lib/jquery_jplaye…/jquery.jplayer.min.js could save 36KiB (75% reduction).
Compressing http://www.dkfz.de/en/index.html could save 28KiB (79% reduction).
Compressing http://www.dkfz.de/global/jquery_lib/jquery_ui_191…ry-ui-1.9.1.custom.css could save 25.4KiB (80% reduction).
Compressing http://www.dkfz.de/global/css2/chrome.css could save 22.7KiB (79% reduction).
Compressing http://www.dkfz.de/global/js2/emos2.js could save 16KiB (61% reduction).
Compressing http://www.dkfz.de/global/js2/html5media.min.js could save 13.1KiB (63% reduction).
Compressing http://www.dkfz.de/global/js2/jquery-fancybox-1-3-4-pack.js could save 9.8KiB (64% reduction).
Compressing http://www.dkfz.de/global/css2/farb.css could save 8KiB (78% reduction).
Compressing http://www.dkfz.de/global/css2/print.css could save 7.2KiB (75% reduction).
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priority - 30Leverage 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://www.dkfz.de/de/presse/images/imagefilm-snap-en-hp.jpg (expiration not specified)
http://www.dkfz.de/de/presse/pressemitteilungen/20…irektmarketing_233.jpg (expiration not specified)
http://www.dkfz.de/de/presse/pressemitteilungen/20…chied-wiestler_233.jpg (expiration not specified)
http://www.dkfz.de/de/presse/pressemitteilungen/20…/wolfgang-wick_233.jpg (expiration not specified)
http://www.dkfz.de/global/css2/chrome.css (expiration not specified)
http://www.dkfz.de/global/css2/farb.css (expiration not specified)
http://www.dkfz.de/global/css2/jquery-fancybox-1-3-4.css (expiration not specified)
http://www.dkfz.de/global/css2/print.css (expiration not specified)
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http://www.dkfz.de/global/img/headline-bg-1px.gif (expiration not specified)
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http://www.dkfz.de/global/img/separator.gif (expiration not specified)
http://www.dkfz.de/global/img/social-bookmarks-delicious.gif (expiration not specified)
http://www.dkfz.de/global/img/social-bookmarks-facebook.gif (expiration not specified)
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http://www.dkfz.de/global/jquery_lib/jquery_ui_191…ry-ui-1.9.1.custom.css (expiration not specified)
http://www.dkfz.de/global/jquery_lib/jquery_ui_191…ui-1.9.1.custom.min.js (expiration not specified)
http://www.dkfz.de/global/js2/emos2.js (expiration not specified)
http://www.dkfz.de/global/js2/functions.js (expiration not specified)
http://www.dkfz.de/global/js2/html5media.min.js (expiration not specified)
http://www.dkfz.de/global/js2/jquery-1.8.0.min.js (expiration not specified)
http://www.dkfz.de/global/js2/jquery-fancybox-1-3-4-pack.js (expiration not specified)
http://www.dkfz.de/global/symbole/arrow-backtotop.png (expiration not specified)
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http://www.dkfz.de/global/symbole/donate-icon.gif (expiration not specified)
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http://www.dkfz.de/global/symbole/icon-twitter.png (expiration not specified)
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priority - 26Optimize images

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Optimize the following images to reduce their size by 254.9KiB (14% reduction).

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

Your page has 6 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://www.dkfz.de/global/js2/html5media.min.js
http://www.dkfz.de/global/js2/jquery-1.8.0.min.js
http://www.dkfz.de/global/jquery_lib/jquery_ui_191…ui-1.9.1.custom.min.js
http://www.dkfz.de/global/js2/functions.js
http://www.dkfz.de/global/js2/jquery-fancybox-1-3-4-pack.js
http://www.dkfz.de/global/jquery_lib/jquery_jplaye…/jquery.jplayer.min.js

Optimize CSS Delivery of the following:

http://www.dkfz.de/global/css2/chrome.css
http://www.dkfz.de/global/css2/farb.css
http://www.dkfz.de/global/jquery_lib/jquery_ui_191…ry-ui-1.9.1.custom.css
http://www.dkfz.de/global/css2/jquery-fancybox-1-3-4.css

priority - 6Avoid landing page redirects

Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://dkfz.de/
http://www.dkfz.de/
http://www.dkfz.de/index.html
http://www.dkfz.de/en/index.html

priority - 2Minify 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 19.8KiB (23% reduction).

Minifying http://www.dkfz.de/global/css2/chrome.css could save 6.5KiB (23% reduction).
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priority - 1Minify 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 10.6KiB (31% reduction).

Minifying http://www.dkfz.de/en/index.html could save 10.6KiB (31% reduction).

priority - 0Minify 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 3.9KiB (2% reduction).

Minifying http://www.dkfz.de/global/js2/functions.js could save 2.4KiB (30% reduction).
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dkfz.de Desktop Resource Breakdown

Total Resources64
Number of Hosts3
Static Resources59
JavaScript Resources7
CSS Resources5

dkfz.de mobile page speed rank

Last tested: 2018-11-24

Mobile Speed Bad
37/100

dkfz.de Mobile Speed Test Quick Summary


priority - 48Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 6 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://www.dkfz.de/global/js2/html5media.min.js
http://www.dkfz.de/global/js2/jquery-1.8.0.min.js
http://www.dkfz.de/global/jquery_lib/jquery_ui_191…ui-1.9.1.custom.min.js
http://www.dkfz.de/global/js2/functions.js
http://www.dkfz.de/global/js2/jquery-fancybox-1-3-4-pack.js
http://www.dkfz.de/global/jquery_lib/jquery_jplaye…/jquery.jplayer.min.js

Optimize CSS Delivery of the following:

http://www.dkfz.de/global/css2/chrome.css
http://www.dkfz.de/global/css2/farb.css
http://www.dkfz.de/global/jquery_lib/jquery_ui_191…ry-ui-1.9.1.custom.css
http://www.dkfz.de/global/css2/jquery-fancybox-1-3-4.css

priority - 44Leverage 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://www.dkfz.de/de/presse/images/imagefilm-snap-en-hp.jpg (expiration not specified)
http://www.dkfz.de/de/presse/pressemitteilungen/20…irektmarketing_233.jpg (expiration not specified)
http://www.dkfz.de/de/presse/pressemitteilungen/20…chied-wiestler_233.jpg (expiration not specified)
http://www.dkfz.de/de/presse/pressemitteilungen/20…/wolfgang-wick_233.jpg (expiration not specified)
http://www.dkfz.de/global/css2/chrome.css (expiration not specified)
http://www.dkfz.de/global/css2/farb.css (expiration not specified)
http://www.dkfz.de/global/css2/jquery-fancybox-1-3-4.css (expiration not specified)
http://www.dkfz.de/global/css2/print.css (expiration not specified)
http://www.dkfz.de/global/images/headerbilder/homepage/Homepage-A-en-50.jpg (expiration not specified)
http://www.dkfz.de/global/images/headerbilder/homepage/Homepage-B-en-50.jpg (expiration not specified)
http://www.dkfz.de/global/images/headerbilder/homepage/Homepage-C-en-50.jpg (expiration not specified)
http://www.dkfz.de/global/images/headerbilder/homepage/Homepage-D-en-50.jpg (expiration not specified)
http://www.dkfz.de/global/images/headerbilder/homepage/Homepage-E-en-50.jpg (expiration not specified)
http://www.dkfz.de/global/images/headerbilder/homepage/Homepage-F-en-50.jpg (expiration not specified)
http://www.dkfz.de/global/images/headerbilder/homepage/Homepage-G-en-50.jpg (expiration not specified)
http://www.dkfz.de/global/images/headerbilder/homepage/Homepage-H-en-50.jpg (expiration not specified)
http://www.dkfz.de/global/images/headerbilder/home…Homepage-Merkel-en.jpg (expiration not specified)
http://www.dkfz.de/global/img/DZG_Logo.png (expiration not specified)
http://www.dkfz.de/global/img/balloon-filling-ie.png (expiration not specified)
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http://www.dkfz.de/global/img/helmholtz-gemeinschaft-logo2.gif (expiration not specified)
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http://www.dkfz.de/global/img/mainnav-bg-left-5px.gif (expiration not specified)
http://www.dkfz.de/global/img/mainnav-bg-right-5px.gif (expiration not specified)
http://www.dkfz.de/global/img/quick-access-bg.jpg (expiration not specified)
http://www.dkfz.de/global/img/quick-access-button-close.png (expiration not specified)
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http://www.dkfz.de/global/img/rounded-bottom-right.gif (expiration not specified)
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http://www.dkfz.de/global/img/rounded-top-right.gif (expiration not specified)
http://www.dkfz.de/global/img/rss-small.jpg (expiration not specified)
http://www.dkfz.de/global/img/searchbox.gif (expiration not specified)
http://www.dkfz.de/global/img/separator.gif (expiration not specified)
http://www.dkfz.de/global/img/social-bookmarks-delicious.gif (expiration not specified)
http://www.dkfz.de/global/img/social-bookmarks-facebook.gif (expiration not specified)
http://www.dkfz.de/global/img/social-bookmarks-google.gif (expiration not specified)
http://www.dkfz.de/global/img/social-bookmarks-twitter-neu.jpg (expiration not specified)
http://www.dkfz.de/global/img/social-bookmarks-windows.gif (expiration not specified)
http://www.dkfz.de/global/img/social-bookmarks-yahoo.gif (expiration not specified)
http://www.dkfz.de/global/jquery_lib/jquery_jplaye…/jquery.jplayer.min.js (expiration not specified)
http://www.dkfz.de/global/jquery_lib/jquery_ui_191…ry-ui-1.9.1.custom.css (expiration not specified)
http://www.dkfz.de/global/jquery_lib/jquery_ui_191…ui-1.9.1.custom.min.js (expiration not specified)
http://www.dkfz.de/global/js2/emos2.js (expiration not specified)
http://www.dkfz.de/global/js2/functions.js (expiration not specified)
http://www.dkfz.de/global/js2/html5media.min.js (expiration not specified)
http://www.dkfz.de/global/js2/jquery-1.8.0.min.js (expiration not specified)
http://www.dkfz.de/global/js2/jquery-fancybox-1-3-4-pack.js (expiration not specified)
http://www.dkfz.de/global/symbole/arrow-backtotop.png (expiration not specified)
http://www.dkfz.de/global/symbole/arrow-intern-blue.png (expiration not specified)
http://www.dkfz.de/global/symbole/arrow-white.png (expiration not specified)
http://www.dkfz.de/global/symbole/donate-icon.gif (expiration not specified)
http://www.dkfz.de/global/symbole/icon-facebook.png (expiration not specified)
http://www.dkfz.de/global/symbole/icon-twitter.png (expiration not specified)
http://www.dkfz.de/global/symbole/search-icon.gif (expiration not specified)
http://www.dkfz.de/global/symbole/sidebar-arrow-right.gif (expiration not specified)

priority - 42Enable 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 407.8KiB (72% reduction).

Compressing http://www.dkfz.de/global/jquery_lib/jquery_ui_191…ui-1.9.1.custom.min.js could save 170.8KiB (73% reduction).
Compressing http://www.dkfz.de/global/js2/jquery-1.8.0.min.js could save 58.1KiB (64% reduction).
Compressing http://www.dkfz.de/global/jquery_lib/jquery_jplaye…/jquery.jplayer.min.js could save 36KiB (75% reduction).
Compressing http://www.dkfz.de/en/index.html could save 28KiB (79% reduction).
Compressing http://www.dkfz.de/global/jquery_lib/jquery_ui_191…ry-ui-1.9.1.custom.css could save 25.4KiB (80% reduction).
Compressing http://www.dkfz.de/global/css2/chrome.css could save 22.7KiB (79% reduction).
Compressing http://www.dkfz.de/global/js2/emos2.js could save 16KiB (61% reduction).
Compressing http://www.dkfz.de/global/js2/html5media.min.js could save 13.1KiB (63% reduction).
Compressing http://www.dkfz.de/global/js2/jquery-fancybox-1-3-4-pack.js could save 9.8KiB (64% reduction).
Compressing http://www.dkfz.de/global/css2/farb.css could save 8KiB (78% reduction).
Compressing http://www.dkfz.de/global/css2/print.css could save 7.2KiB (75% reduction).
Compressing http://www.dkfz.de/global/css2/jquery-fancybox-1-3-4.css could save 6.8KiB (79% reduction).
Compressing http://www.dkfz.de/global/js2/functions.js could save 5.9KiB (72% reduction).

priority - 26Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 254.9KiB (14% reduction).

Losslessly compressing http://www.dkfz.de/de/presse/pressemitteilungen/20…chied-wiestler_233.jpg could save 28.6KiB (41% reduction).
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priority - 19Avoid landing page redirects

Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://dkfz.de/
http://www.dkfz.de/
http://www.dkfz.de/index.html
http://www.dkfz.de/en/index.html

priority - 2Minify 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 19.8KiB (23% reduction).

Minifying http://www.dkfz.de/global/css2/chrome.css could save 6.5KiB (23% reduction).
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priority - 1Minify 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 10.6KiB (31% reduction).

Minifying http://www.dkfz.de/en/index.html could save 10.6KiB (31% reduction).

priority - 0Minify 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 3.9KiB (2% reduction).

Minifying http://www.dkfz.de/global/js2/functions.js could save 2.4KiB (30% reduction).
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dkfz.de Mobile Resource Breakdown

Total Resources64
Number of Hosts3
Static Resources59
JavaScript Resources7
CSS Resources5

dkfz.de mobile page usability

Last tested: 2018-11-24

Mobile Usability Bad
60/100

dkfz.de 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.

Legal Notice and 12 others render only 3 pixels tall (11 CSS pixels).

| and 10 others render only 3 pixels tall (11 CSS pixels).

NCT Heidelberg and 5 others render only 4 pixels tall (14 CSS pixels).

You are here: and 2 others render only 3 pixels tall (11 CSS pixels).

Quick Links renders only 5 pixels tall (18 CSS pixels).

For Supporters & Friends and 14 others render only 3 pixels tall (12 CSS pixels).

News renders only 5 pixels tall (18 CSS pixels).

Wolfgang Wick…esearch Center and 2 others render only 3 pixels tall (12 CSS pixels).

Tobacco advert…ustry also ... and 2 others render only 3 pixels tall (12 CSS pixels).

Cancer brake f…f gene defects and 9 others render only 3 pixels tall (12 CSS pixels).

More News and 1 others render only 5 pixels tall (16 CSS pixels).

08. July 2015,…ication Center and 1 others render only 3 pixels tall (12 CSS pixels).

latest news via RSS feed renders only 3 pixels tall (12 CSS pixels).

last update: 08/07/2015 renders only 3 pixels tall (12 CSS pixels).

back to top renders only 3 pixels tall (12 CSS pixels).

We ask for your support and 2 others render only 4 pixels tall (14 CSS pixels).

Deutsches Kreb…120 Heidelberg and 3 others render only 3 pixels tall (11 CSS pixels).

Watch the movie renders only 3 pixels tall (11 CSS pixels).

Donation renders only 6 pixels tall (20 CSS pixels).

priority - 14Size 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="/en/index.html">Home</a> and 25 others are close to other tap targets.

The tap target <input id="search-item-searchbox" type="text" name="words"> is close to 1 other tap targets.

The tap target <input id="search-icon" type="image" name="search-icon"> is close to 4 other tap targets.

The tap target <a href="https://www.fa…53799134687105"></a> and 1 others are close to other tap targets.

The tap target <a href="/en/aktuelles/index.html">News</a> and 3 others are close to other tap targets.

The tap target <a href="/en">Home</a> is close to 2 other tap targets.

The tap target <img id="quick-access-button-open" src="/global/img/qu…utton-open.png"> is close to 3 other tap targets.

The tap target <a href="/en/forschung/…nkte/index.php">Research Programs</a> and 14 others are close to other tap targets.

The tap target <a href="/en/events/index.php">More Events</a> and 4 others are close to other tap targets.

The tap target <a href="http://www.dkf…0/en/index.php" class="rss">latest news via RSS feed</a> is close to 1 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.

priority - 7Size 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 1,024 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:

The element <div id="logo"></div> falls outside the viewport.
The element <a href="/de/index.html">Deutsch</a> falls outside the viewport.
The element <img src="/global/symbol…on-twitter.png"> falls outside the viewport.
The element <div id="mainnav-right" class="rounded"> falls outside the viewport.
The element <div id="breadcrumb">You are here: Home &gt;</div> falls outside the viewport.
The element <img src="/global/images…ge-E-en-50.jpg"> falls outside the viewport.
The element <h3>Information</h3> falls outside the viewport.
The element <div>For Journalists</div> falls outside the viewport.
The element <div>For Scientists</div> falls outside the viewport.
The element <div>For Patients</div> falls outside the viewport.
The element <div>For Students &amp; Teachers</div> falls outside the viewport.
The element <div>For Supporters &amp; Friends</div> falls outside the viewport.
The element <div>About Tobacco Control</div> falls outside the viewport.
The element <div class="headline-rounded top-right"> falls outside the viewport.
The element <h3>DKFZ - The Movie</h3> falls outside the viewport.
The element <div class="headline-rounded bottom-right"> falls outside the viewport.
The element <img src="/de/presse/ima…snap-en-hp.jpg"> falls outside the viewport.
The element <p>The Image Vide…esearch Center</p> falls outside the viewport.
The element <div>Watch the movie</div> falls outside the viewport.
The element <div class="headline-rounded top-right"> falls outside the viewport.
The element <h3>We ask for your support</h3> falls outside the viewport.
The element <div class="headline-rounded bottom-right"> falls outside the viewport.
The element <p>Your donation…ancer research</p> falls outside the viewport.
The element <div class="link-special donate">Donation</div> falls outside the viewport.
The element <img src="/global/img/he…haft-logo2.gif"> falls outside the viewport.

dkfz.de HTML validation

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dkfz.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.

dkfz.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.