dagstuhl.de Website Information

Daily Unique Visits: 66,304

Daily Page Views: 397,824

Income Per Day: $796

Estimated Value: $573,120

This website is located in Germany and is using following IP address 192.76.146.60. See the complete list of popular websites hosted in Germany.

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

Website dagstuhl.de is using the following name servers:

ns.uni-saarland.de
dns1.belwue.de
ns.dagstuhl.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 dagstuhl.de position in Alexa rank database was 8375 and the lowest rank position was 985693. Current position of dagstuhl.de in Alexa rank database is 21631.

Desktop speed score of dagstuhl.de (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 dagstuhl.de (63/100) is better than the results of 9.16% of other sites and means that the page is not mobile-friendly.

Mobile speed score of dagstuhl.de (57/100) is better than the results of 48.04% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

dagstuhl.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.

dagstuhl.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: dagstuhl.de
Status: connect

dagstuhl.de server information

Servers Location

dagstuhl.de desktop page speed rank

Last tested: 2019-06-15

Desktop Speed Medium

75/100

dagstuhl.de Desktop Speed Test Quick Summary

priority - 14Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://portal.dagstuhl.de/weather/data/capture_small.jpg (expiration not specified)
https://www.dagstuhl.de/fileadmin/assets/css/global.css (expiration not specified)
https://www.dagstuhl.de/fileadmin/assets/css/layout.css (expiration not specified)
https://www.dagstuhl.de/fileadmin/assets/css/print.css (expiration not specified)
https://www.dagstuhl.de/fileadmin/assets/css/screen.css (expiration not specified)
https://www.dagstuhl.de/fileadmin/assets/images/bg.png (expiration not specified)
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https://www.dagstuhl.de/fileadmin/assets/images/ico_link_ext.gif (expiration not specified)
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https://www.dagstuhl.de/fileadmin/assets/images/lzi_logo.gif (expiration not specified)
https://www.dagstuhl.de/fileadmin/assets/scripts/scripts.js (expiration not specified)
https://www.dagstuhl.de/typo3temp/GB/f3e393e66c.png (expiration not specified)
https://www.dagstuhl.de/typo3temp/menu/0bd23a7735.png (expiration not specified)
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https://www.dagstuhl.de/typo3temp/menu/5cc2901dbe.png (expiration not specified)
https://www.dagstuhl.de/typo3temp/menu/6dff0b323b.png (expiration not specified)
https://www.dagstuhl.de/typo3temp/menu/75e6b109d3.png (expiration not specified)
https://www.dagstuhl.de/typo3temp/menu/98e21b1cfc.png (expiration not specified)
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https://www.dagstuhl.de/typo3temp/menu/fd8de5d929.png (expiration not specified)
https://www.dagstuhl.de/typo3temp/pics/9b384ed387.jpg (expiration not specified)

priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://www.dagstuhl.de/typo3temp/javascript_f93b88063d.js?1418645672
https://www.dagstuhl.de/fileadmin/assets/scripts/scripts.js

Optimize CSS Delivery of the following:

https://www.dagstuhl.de/fileadmin/assets/css/layout.css
https://www.dagstuhl.de/fileadmin/assets/css/global.css
https://www.dagstuhl.de/fileadmin/assets/css/screen.css

priority - 7Avoid 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://dagstuhl.de/
http://www.dagstuhl.de/
https://www.dagstuhl.de/

priority - 4Optimize images

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

Optimize the following images to reduce their size by 35.9KiB (52% reduction).

Compressing https://portal.dagstuhl.de/weather/data/capture_small.jpg could save 18.8KiB (71% reduction).
Compressing https://www.dagstuhl.de/fileadmin/assets/images/lzi_foto_04.jpg could save 13.6KiB (47% reduction).
Compressing https://www.dagstuhl.de/fileadmin/assets/images/leibniz.png could save 1.8KiB (25% reduction).
Compressing https://www.dagstuhl.de/fileadmin/assets/images/bg.png could save 991B (34% reduction).
Compressing https://www.dagstuhl.de/typo3temp/pics/9b384ed387.jpg could save 362B (24% reduction).
Compressing https://www.dagstuhl.de/fileadmin/assets/images/fadeline.gif could save 238B (58% reduction).
Compressing https://www.dagstuhl.de/typo3temp/menu/e1f5497ad3.png could save 104B (19% 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 1.4KiB (36% reduction).

Minifying https://www.dagstuhl.de/fileadmin/assets/css/print.css could save 1.1KiB (40% reduction) after compression.
Minifying https://www.dagstuhl.de/fileadmin/assets/css/global.css could save 276B (27% 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 500B (12% reduction).

Minifying https://www.dagstuhl.de/ could save 500B (12% reduction) after compression.

dagstuhl.de Desktop Resource Breakdown

Total Resources	31
Number of Hosts	3
Static Resources	27
JavaScript Resources	2
CSS Resources	4

dagstuhl.de mobile page speed rank

Last tested: 2019-01-17

Mobile Speed Bad

57/100

dagstuhl.de Mobile Speed Test Quick Summary

priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://www.dagstuhl.de/typo3temp/javascript_f93b88063d.js?1418645672
https://www.dagstuhl.de/fileadmin/assets/scripts/scripts.js

Optimize CSS Delivery of the following:

https://www.dagstuhl.de/fileadmin/assets/css/layout.css
https://www.dagstuhl.de/fileadmin/assets/css/global.css
https://www.dagstuhl.de/fileadmin/assets/css/screen.css

priority - 26Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

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

http://dagstuhl.de/
http://www.dagstuhl.de/
https://www.dagstuhl.de/

priority - 20Leverage 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:

priority - 3Optimize images

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

Optimize the following images to reduce their size by 34KiB (54% reduction).

Compressing https://portal.dagstuhl.de/weather/data/capture_small.jpg could save 17.3KiB (77% reduction).
Compressing https://www.dagstuhl.de/fileadmin/assets/images/lzi_foto_04.jpg could save 13.6KiB (47% reduction).
Compressing https://www.dagstuhl.de/fileadmin/assets/images/leibniz.png could save 1.8KiB (25% reduction).
Compressing https://www.dagstuhl.de/fileadmin/assets/images/bg.png could save 991B (34% reduction).
Compressing https://www.dagstuhl.de/fileadmin/assets/images/fadeline.gif could save 238B (58% reduction).
Compressing https://www.dagstuhl.de/typo3temp/menu/e1f5497ad3.png could save 104B (19% 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 1.4KiB (36% reduction).

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 499B (12% reduction).

Minifying https://www.dagstuhl.de/ could save 499B (12% reduction) after compression.

dagstuhl.de Mobile Resource Breakdown

Total Resources	31
Number of Hosts	3
Static Resources	27
JavaScript Resources	2
CSS Resources	4

dagstuhl.de mobile page usability

Last tested: 2019-01-17

Mobile Usability Bad

63/100

dagstuhl.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.

Bodies and Boards and 9 others render only 5 pixels tall (12 CSS pixels).

You are here: About Dagstuhl renders only 4 pixels tall (10 CSS pixels).

program has al…services (the and 8 others render only 5 pixels tall (12 CSS pixels).

furthering wor…mputer science renders only 5 pixels tall (12 CSS pixels).

to support adv…f informatics, and 3 others render only 5 pixels tall (12 CSS pixels).

dblp computer…e bibliography and 3 others render only 5 pixels tall (12 CSS pixels).

Latest News from Dagstuhl renders only 4 pixels tall (11 CSS pixels).

Bibliographic…er anniversary and 2 others render only 5 pixels tall (12 CSS pixels).

For more than…een secur... [ and 5 others render only 4 pixels tall (11 CSS pixels).

19032 - Condit…t Perspectives and 6 others render only 4 pixels tall (11 CSS pixels).

Weather at Dagstuhl and 1 others render only 5 pixels tall (12 CSS pixels).

Temperature: 6.0 °C and 3 others render only 4 pixels tall (11 CSS pixels).

Print Layout and 4 others render only 4 pixels tall (10 CSS pixels).

| and 4 others render only 4 pixels tall (10 CSS pixels).

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 - 10Size 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="ueber-dagstuhl/aktuelles/">News</a> and 9 others are close to other tap targets.

The tap target <a href="publikationen/" class="linkIco">open access publishing</a> and 1 others are close to other tap targets.

The tap target <a href="http://www.lei…meinschaft.de/" class="linkIco"></a> is close to 1 other tap targets.

The tap target <input type="submit"> is close to 1 other tap targets.

The tap target <a href="/en/program/ca…p/?semnr=19031">19031 - Logics…d Independence</a> and 5 others are close to other tap targets.

The tap target <a href="meta-menue/sitemap/">Sitemap</a> and 3 others are close to other tap targets.

dagstuhl.de HTML validation

Errors

Malformed byte sequence: “dc”.

Line: 19 Column: - 27
"......" Line: 111 Column: - 57
"......" Line: 111 Column: - 210
"......" Line: 120 Column: - 49
"......"

Obsolete doctype. Expected “<!DOCTYPE html>”.

Line: 3 Column: 1 - 57
"...<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html..."

Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).

Line: 7 Column: 1 - 74
"...> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <!-- ..."

Bad value “text/html; charset=iso-8859-1” for attribute “content” on element “meta”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.

Line: 7 Column: 1 - 74
"...> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <!-- ..."

Malformed byte sequence: “fc”.

Line: 31 Column: - 72
"......" Line: 31 Column: - 307
"......" Line: 31 Column: - 461
"......" Line: 31 Column: - 614
"......" Line: 31 Column: - 805
"......" Line: 31 Column: - 972
"......" Line: 117 Column: - 210
"......" Line: 122 Column: - 395
"......" Line: 122 Column: - 600
"......" Line: 122 Column: - 1026
"......" Line: 123 Column: - 87
"......" Line: 123 Column: - 669
"......" Line: 141 Column: - 370
"......"

Bad value “imagetoolbar” for attribute “http-equiv” on element “meta”.

Line: 30 Column: 2 - 48
"...true" /> <meta http-equiv="imagetoolbar" content="no" /> <met..."

Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.

Line: 35 Column: 2 - 52
"...dern" /> <meta http-equiv="content-language" content="de" /> <met..."

The “scheme” attribute on the “meta” element is obsolete. Use only one scheme per field, or make the scheme declaration part of the value.

Line: 41 Column: 2 - 61
"...dern" /> <meta name="DC.Language" scheme="NISOZ39.50" content="de" /> <met..."

Bad value “schema.dc” for attribute “rel” on element “link”: The string “schema.dc” is not a registered keyword.

Line: 43 Column: 2 - 78
"...dern" /> <link rel="schema.dc" href="http://purl.org/metadata/dublin_core_elements" /> <l..."

Malformed byte sequence: “df”.

Line: 100 Column: - 192
"......"

Malformed byte sequence: “f6”.

Line: 117 Column: - 367
"......" Line: 117 Column: - 378
"......" Line: 122 Column: - 493
"......" Line: 122 Column: - 689
"......" Line: 122 Column: - 1079
"......"

Malformed byte sequence: “bb”.

Line: 122 Column: - 299
"......" Line: 137 Column: - 299
"......" Line: 139 Column: - 168
"......" Line: 141 Column: - 525
"......"

Malformed byte sequence: “ab”.

Line: 122 Column: - 413
"......"

Malformed byte sequence: “e4”.

Line: 122 Column: - 1020
"......" Line: 123 Column: - 200
"......" Line: 123 Column: - 380
"......" Line: 124 Column: - 466
"......"

No “p” element in scope but a “p” end tag seen.

Line: 148 Column: 284 - 287
".../p></form></p></div>..."

Bad value “_new” for attribute “target” on element “a”: Reserved keyword “new” used.

Line: 152 Column: 27 - 85
"...bodytext"><a target="_new" href="https://portal.dagstuhl.de/weather"><img a..." Line: 152 Column: 250 - 308
"...r /><br /><a target="_new" href="https://portal.dagstuhl.de/weather"><b>meh..."

Attribute “algin” not allowed on element “img” at this point.

Line: 152 Column: 86 - 169
".../weather"><img algin="center" src="https://portal.dagstuhl.de/weather/data/capture_small.jpg"></a><b..."

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 152 Column: 86 - 169
".../weather"><img algin="center" src="https://portal.dagstuhl.de/weather/data/capture_small.jpg"></a><b..."

Warnings

The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.

Line: 122 Column: 22 - 44
"..."content"><a name="a61" id="a61"></a><d..." Line: 147 Column: 34 - 58
"...ht-frame"><a name="a782" id="a782"></a><d..." Line: 147 Column: 203 - 229
"...ht-frame"><a name="a1285" id="a1285"></a><d..." Line: 149 Column: 78 - 102
"...ht-frame"><a name="a771" id="a771"></a><d..." Line: 151 Column: 78 - 104
"...ht-frame"><a name="a3170" id="a3170"></a><d..." Line: 151 Column: 219 - 245
"...ht-frame"><a name="a3175" id="a3175"></a><d..."

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dagstuhl.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.

dagstuhl.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.

DAGSTUHL.DE Home

dagstuhl.de Website Information

Advertisement

dagstuhl.de Alexa Rank

dagstuhl.de whois

dagstuhl.de server information

Servers Location

dagstuhl.de desktop page speed rank

dagstuhl.de Desktop Speed Test Quick Summary

priority - 14Leverage 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:

priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 7Avoid 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.

priority - 4Optimize images

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

Optimize the following images to reduce their size by 35.9KiB (52% 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 1.4KiB (36% reduction).

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 500B (12% reduction).

dagstuhl.de Desktop Resource Breakdown

dagstuhl.de mobile page speed rank

dagstuhl.de Mobile Speed Test Quick Summary

priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 26Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

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

priority - 20Leverage 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:

priority - 3Optimize images

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

Optimize the following images to reduce their size by 34KiB (54% 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 1.4KiB (36% reduction).

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 499B (12% reduction).

dagstuhl.de Mobile Resource Breakdown

dagstuhl.de mobile page usability

dagstuhl.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.

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 - 10Size 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.

dagstuhl.de HTML validation

Errors

Malformed byte sequence: “dc”.

Obsolete doctype. Expected “<!DOCTYPE html>”.

Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).

Bad value “text/html; charset=iso-8859-1” for attribute “content” on element “meta”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.

Malformed byte sequence: “fc”.

Bad value “imagetoolbar” for attribute “http-equiv” on element “meta”.

Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.

The “scheme” attribute on the “meta” element is obsolete. Use only one scheme per field, or make the scheme declaration part of the value.

Bad value “schema.dc” for attribute “rel” on element “link”: The string “schema.dc” is not a registered keyword.

Malformed byte sequence: “df”.

Malformed byte sequence: “f6”.

Malformed byte sequence: “bb”.

Malformed byte sequence: “ab”.

Malformed byte sequence: “e4”.

No “p” element in scope but a “p” end tag seen.

Bad value “_new” for attribute “target” on element “a”: Reserved keyword “new” used.

Attribute “algin” not allowed on element “img” at this point.