mathematik.de Website Information

Daily Unique Visits: 7,681

Daily Page Views: 38,405

Income Per Day: $96

Estimated Value: $57,600

This website is located in Germany and is using following IP address 87.230.44.151. See the complete list of popular websites hosted in Germany.

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

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The highest website mathematik.de position in Alexa rank database was 17381 and the lowest rank position was 998362. Current position of mathematik.de in Alexa rank database is 177379.

Desktop speed score of mathematik.de (80/100) is better than the results of 69.89% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of mathematik.de (61/100) is better than the results of 5.47% of other sites and means that the page is not mobile-friendly.

Mobile speed score of mathematik.de (66/100) is better than the results of 68.49% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

mathematik.de Alexa Rank

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mathematik.de whois

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Domain: mathematik.de
Status: connect

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mathematik.de desktop page speed rank

Last tested: 2019-01-27

Desktop Speed Medium

80/100

mathematik.de Desktop Speed Test Quick Summary

priority - 13Leverage browser caching

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

Leverage browser caching for the following cacheable resources:

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http://mathematik.de/site_structur/js/stickytooltip.js (expiration not specified)
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http://www.google-analytics.com/ga.js (2 hours)

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

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

Remove render-blocking JavaScript:

http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js
http://mathematik.de/site_structur/js/stickytooltip.js

Optimize CSS Delivery of the following:

http://mathematik.de/site_structur/styles/styles.css
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priority - 1Enable 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 9.7KiB (72% reduction).

Compressing http://mathematik.de/site_structur/styles/styles.css could save 7KiB (77% reduction).
Compressing http://mathematik.de/site_structur/js/stickytooltip.js could save 2.2KiB (62% reduction).
Compressing http://mathematik.de/site_structur/styles/styles2oldsystem.css could save 536B (58% reduction).

priority - 1Optimize images

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

Optimize the following images to reduce their size by 8.4KiB (19% reduction).

Losslessly compressing http://mathematik.de/site_structur/images/header/header_tasse.gif could save 6KiB (17% reduction).
Losslessly compressing http://mathematik.de/site_structur/images/background.gif could save 1.4KiB (23% reduction).
Losslessly compressing http://mathematik.de/site_structur/images/facebook-button.jpg could save 1,014B (46% 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 2.4KiB (28% reduction).

Minifying http://mathematik.de/site_structur/styles/styles.css could save 2.4KiB (28% 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 1.1KiB (33% reduction).

Minifying http://mathematik.de/site_structur/js/stickytooltip.js could save 1.1KiB (33% reduction).

mathematik.de Desktop Resource Breakdown

Total Resources	30
Number of Hosts	3
Static Resources	27
JavaScript Resources	3
CSS Resources	2

mathematik.de mobile page speed rank

Last tested: 2019-01-27

Mobile Speed Medium

66/100

mathematik.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 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js
http://mathematik.de/site_structur/js/stickytooltip.js

Optimize CSS Delivery of the following:

http://mathematik.de/site_structur/styles/styles.css
http://mathematik.de/site_structur/styles/styles2oldsystem.css

priority - 19Leverage 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 - 1Enable 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 9.7KiB (72% reduction).

priority - 1Optimize images

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

Optimize the following images to reduce their size by 8.4KiB (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 2.4KiB (28% reduction).

Minifying http://mathematik.de/site_structur/styles/styles.css could save 2.4KiB (28% 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 1.1KiB (33% reduction).

Minifying http://mathematik.de/site_structur/js/stickytooltip.js could save 1.1KiB (33% reduction).

mathematik.de Mobile Resource Breakdown

Total Resources	30
Number of Hosts	3
Static Resources	27
JavaScript Resources	3
CSS Resources	2

mathematik.de mobile page usability

Last tested: 2019-01-27

Mobile Usability Bad

61/100

mathematik.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.

Sponsor: and 4 others render only 4 pixels tall (12 CSS pixels).

Impressum and 4 others render only 4 pixels tall (12 CSS pixels).

Ein Angebot de…er-Vereinigung renders only 5 pixels tall (15 CSS pixels).

Neuigkeiten renders only 4 pixels tall (13 CSS pixels).

Wer beim Spiel…r begrenzt ist and 4 others render only 4 pixels tall (13 CSS pixels).

25.08.2015 and 3 others render only 4 pixels tall (13 CSS pixels).

Im einfachen A…ch wenn es ... and 8 others render only 4 pixels tall (13 CSS pixels).

mehr and 7 others render only 4 pixels tall (13 CSS pixels).

5 Minuten Mathematik and 4 others render only 4 pixels tall (13 CSS pixels).

Stellen Sie si…u realisieren. and 12 others render only 4 pixels tall (13 CSS pixels).

Mathematik in den Medien and 6 others render only 5 pixels tall (15 CSS pixels).

Mathematik in…und Gegenwart and 35 others render only 4 pixels tall (13 CSS pixels).

Besuchen Sie bitte auch renders only 5 pixels tall (15 CSS pixels).

priority - 19Size 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="/ger/sponsor/sponsor.html">Allianz</a> and 4 others are close to other tap targets.

The tap target <a href="/ger/index.php?artid=479">Neuigkeiten</a> is close to 1 other tap targets.

The tap target <a href="/ger/index.php?artid=16">Begrüßung</a> and 6 others are close to other tap targets.

The tap target <a href="/ger/begruessu…/schueler.html">Schüler</a> and 35 others are close to other tap targets.

The tap target <a href="http://www.mat…s-in-europe.eu"></a> and 2 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.

mathematik.de HTML validation

Errors

Bad value “Array” for attribute “type” on element “script”: Subtype missing.

Line: 247 Column: 2 - 63
"...ndif]--> <script type="Array" src="/media/jui/js/chosen.jquery.min.js"></scri..." Line: 248 Column: 2 - 69
".../script> <script type="Array" src="/media/jui/js/jquery.autocomplete.min.js"></scri..."

Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.

Line: 347 Column: - 340
"...rchButton.gif" "="" onclick="t..."

Attribute “"” not allowed on element “input” at this point.

Line: 347 Column: 248 - 410
"...quired/> <input alt="Suchen" id="searchbutton" src="/templates/dmv-standard/images/searchButton.gif" "="" onclick="this.form.searchword.focus();" width="20px" type="image"> ..."

Bad value “20px” for attribute “width” on element “input”: Expected a digit but saw “p” instead.

Bad value “/ Hochschule/2328-president-elect-ziegler” for attribute “href” on element “a”: Tab, new line or carriage return found.

Line: 402 Column: 11 - 47
"... <a class="bt-title" target="_parent" title="POTFUB aus der DMV" href="/ Hochschule/2328-president-elect-ziegler"> POTFU..."

Bad value “/ Hochschule/2328-president-elect-ziegler ” for attribute “href” on element “a”: Tab, new line or carriage return found.

Line: 409 Column: 7 - 56
"...e"> <a target="_parent" title="POTFUB aus der DMV" href="/ Hochschule/2328-president-elect-ziegler "> Mehr ..."

Bad value “/ Trivia/2322-der-vater-des-v-diagramms-feiert-geburtstag” for attribute “href” on element “a”: Tab, new line or carriage return found.

Line: 427 Column: 11 - 63
"... <a class="bt-title" target="_parent" title="Der Vater des V-Diagramms hat 150. Geburtstag" href="/ Trivia/2322-der-vater-des-v-diagramms-feiert-geburtstag"> Der V..."

Bad value “/ Trivia/2322-der-vater-des-v-diagramms-feiert-geburtstag ” for attribute “href” on element “a”: Tab, new line or carriage return found.

Line: 434 Column: 7 - 72
"...e"> <a target="_parent" title="Der Vater des V-Diagramms hat 150. Geburtstag" href="/ Trivia/2322-der-vater-des-v-diagramms-feiert-geburtstag "> Mehr ..."

Bad value “/ Forschung/2323-five-shades-of-de-grey” for attribute “href” on element “a”: Tab, new line or carriage return found.

Line: 452 Column: 11 - 45
"... <a class="bt-title" target="_parent" title="Five Shades of de Grey" href="/ Forschung/2323-five-shades-of-de-grey"> Five ..."

Bad value “/ Forschung/2323-five-shades-of-de-grey ” for attribute “href” on element “a”: Tab, new line or carriage return found.

Line: 459 Column: 7 - 54
"...e"> <a target="_parent" title="Five Shades of de Grey" href="/ Forschung/2323-five-shades-of-de-grey "> Mehr ..."

Bad value “/ Trivia/2320-algorithmen-im-ikea-stil” for attribute “href” on element “a”: Tab, new line or carriage return found.

Line: 477 Column: 11 - 44
"... <a class="bt-title" target="_parent" title="Interview mit Sándor Fekete: Algorithmen im IKEA-Stil" href="/ Trivia/2320-algorithmen-im-ikea-stil"> Inter..."

Bad value “/ Trivia/2320-algorithmen-im-ikea-stil ” for attribute “href” on element “a”: Tab, new line or carriage return found.

Line: 485 Column: 7 - 53
"...e"> <a target="_parent" title="Interview mit Sándor Fekete: Algorithmen im IKEA-Stil" href="/ Trivia/2320-algorithmen-im-ikea-stil "> Mehr ..."

Bad value “/ dmv-blog/2318-weierstraßvorlesung-2018-an-der-universität-paderborn-mit-sir-timothy-gowers” for attribute “href” on element “a”: Tab, new line or carriage return found.

Line: 503 Column: 11 - 98
"... <a class="bt-title" target="_parent" title="Sir Timothy Gowers in Paderborn" href="/ dmv-blog/2318-weierstraßvorlesung-2018-an-der-universität-paderborn-mit-sir-timothy-gowers"> Sir T..."

Bad value “/ dmv-blog/2318-weierstraßvorlesung-2018-an-der-universität-paderborn-mit-sir-timothy-gowers ” for attribute “href” on element “a”: Tab, new line or carriage return found.

Line: 510 Column: 7 - 107
"...e"> <a target="_parent" title="Sir Timothy Gowers in Paderborn" href="/ dmv-blog/2318-weierstraßvorlesung-2018-an-der-universität-paderborn-mit-sir-timothy-gowers "> Mehr ..."

Bad value “/ dmv-blog/2304-sofja-kovalevskaja-preis-–-neue-bewerbungsrunde” for attribute “href” on element “a”: Tab, new line or carriage return found.

Line: 528 Column: 11 - 69
"... <a class="bt-title" target="_parent" title="Sofja Kovalevskaja-Preis – neue Bewerbungsrunde " href="/ dmv-blog/2304-sofja-kovalevskaja-preis-–-neue-bewerbungsrunde"> Sofja..."

Bad value “/ dmv-blog/2304-sofja-kovalevskaja-preis-–-neue-bewerbungsrunde ” for attribute “href” on element “a”: Tab, new line or carriage return found.

Line: 535 Column: 7 - 78
"...e"> <a target="_parent" title="Sofja Kovalevskaja-Preis – neue Bewerbungsrunde " href="/ dmv-blog/2304-sofja-kovalevskaja-preis-–-neue-bewerbungsrunde "> Mehr ..."

Element “span” not allowed as child of element “time” in this context. (Suppressing further errors from this subtree.)

Line: 577 Column: 112 - 148
"...s="start"><span class="mod_events_latest_date"><b>17<..." Line: 577 Column: 193 - 229
"...ass="end"><span class="mod_events_latest_date"><b>17<..." Line: 578 Column: 262 - 298
"...s="start"><span class="mod_events_latest_date"><b>18<..." Line: 578 Column: 343 - 379
"...ass="end"><span class="mod_events_latest_date"></span..." Line: 579 Column: 338 - 374
"...s="start"><span class="mod_events_latest_date"><b>30<..." Line: 579 Column: 419 - 455
"...ass="end"><span class="mod_events_latest_date"><b> 3<..." Line: 580 Column: 427 - 463
"...s="start"><span class="mod_events_latest_date"><b>15<..." Line: 580 Column: 508 - 544
"...ass="end"><span class="mod_events_latest_date"><b>15<..." Line: 581 Column: 221 - 257
"...s="start"><span class="mod_events_latest_date"><b>29<..." Line: 581 Column: 302 - 338
"...ass="end"><span class="mod_events_latest_date"><b>29<..." Line: 582 Column: 218 - 254
"...s="start"><span class="mod_events_latest_date"><b>14<..." Line: 582 Column: 299 - 335
"...ass="end"><span class="mod_events_latest_date"><b>14<..."

The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.

Line: 577 Column: 168 - 174
"...Mai</span></time><time ..." Line: 577 Column: 249 - 255
"...Mai</span></time><br />..." Line: 578 Column: 318 - 324
"...Mai</span></time><time ..." Line: 578 Column: 387 - 393
"...e"></span></time><br />..." Line: 579 Column: 394 - 400
"...Mai</span></time><time ..." Line: 579 Column: 475 - 481
"...Jun</span></time><br />..." Line: 580 Column: 483 - 489
"...Jun</span></time><time ..." Line: 580 Column: 564 - 570
"...Jun</span></time><br />..." Line: 581 Column: 277 - 283
"...Okt</span></time><time ..." Line: 581 Column: 358 - 364
"...Okt</span></time><br />..." Line: 582 Column: 274 - 280
"...Mär</span></time><time ..." Line: 582 Column: 355 - 361
"...Mär</span></time><br />..."

Bad value “/mathematik/veranstaltungskalender/eventdetail/54/99|101|102|153|154|155|156|167|172/bonner-wissenschaftsnacht” for attribute “href” on element “a”: Illegal character in path segment: “|” is not allowed.

Line: 578 Column: 47 - 183
"..._content"><a href="/mathematik/veranstaltungskalender/eventdetail/54/99|101|102|153|154|155|156|167|172/bonner-wissenschaftsnacht" target="_top" >Bonner..."

Bad value “/mathematik/veranstaltungskalender/eventdetail/143/99|101|102|153|154|155|156|167|172/weierstraßvorlesung-an-der-universität-paderborn” for attribute “href” on element “a”: Illegal character in path segment: “|” is not allowed.

Line: 579 Column: 47 - 207
"..._content"><a href="/mathematik/veranstaltungskalender/eventdetail/143/99|101|102|153|154|155|156|167|172/weierstraßvorlesung-an-der-universität-paderborn" target="_top" >Weiers..."

Bad value “/mathematik/veranstaltungskalender/eventdetail/121/99|101|102|153|154|155|156|167|172/82-konferenz-der-deutschsprachigen-mathematikfachschaften-koma” for attribute “href” on element “a”: Illegal character in path segment: “|” is not allowed.

Line: 580 Column: 47 - 221
"..._content"><a href="/mathematik/veranstaltungskalender/eventdetail/121/99|101|102|153|154|155|156|167|172/82-konferenz-der-deutschsprachigen-mathematikfachschaften-koma" target="_top" >82. Ko..."

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

Line: 645 Column: 5 - 89
"...d" > <p><iframe src="https://www.youtube.com/embed/5SfXqTENV_Q" height="300" frameborder="0"></ifra..."

Warnings

The “banner” role is unnecessary for element “header”.

Line: 332 Column: 4 - 25
"...wbox"> <header role="banner"> <..."

The “navigation” role is unnecessary for element “nav”.

Line: 343 Column: 6 - 40
"...div> <nav id="topnav" role="navigation"> ..." Line: 380 Column: 5 - 36
"...per"> <nav id="nav" role="navigation"> ..."

Attribute “"” is not serializable as XML 1.0.

The “contentinfo” role is unnecessary for element “footer”.

Line: 648 Column: 4 - 30
"...</div> <footer role="contentinfo"> <..."

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mathematik.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.

mathematik.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.

MATHEMATIK.DE Deutsche Mathematiker-Vereinigung

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mathematik.de Desktop Speed Test Quick Summary

priority - 13Leverage 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 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 1Enable 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 9.7KiB (72% reduction).

priority - 1Optimize images

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

Optimize the following images to reduce their size by 8.4KiB (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 2.4KiB (28% 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 1.1KiB (33% reduction).

mathematik.de Desktop Resource Breakdown

mathematik.de mobile page speed rank

mathematik.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 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 19Leverage 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 - 1Enable 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 9.7KiB (72% reduction).

priority - 1Optimize images

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

Optimize the following images to reduce their size by 8.4KiB (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 2.4KiB (28% 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 1.1KiB (33% reduction).

mathematik.de Mobile Resource Breakdown

mathematik.de mobile page usability

mathematik.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 - 19Size 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.

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.

mathematik.de HTML validation

Errors

Bad value “Array” for attribute “type” on element “script”: Subtype missing.

Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.

Attribute “"” not allowed on element “input” at this point.

Bad value “20px” for attribute “width” on element “input”: Expected a digit but saw “p” instead.

Bad value “/ Hochschule/2328-president-elect-ziegler” for attribute “href” on element “a”: Tab, new line or carriage return found.

Bad value “/ Hochschule/2328-president-elect-ziegler ” for attribute “href” on element “a”: Tab, new line or carriage return found.

Bad value “/ Trivia/2322-der-vater-des-v-diagramms-feiert-geburtstag” for attribute “href” on element “a”: Tab, new line or carriage return found.

Bad value “/ Trivia/2322-der-vater-des-v-diagramms-feiert-geburtstag ” for attribute “href” on element “a”: Tab, new line or carriage return found.

Bad value “/ Forschung/2323-five-shades-of-de-grey” for attribute “href” on element “a”: Tab, new line or carriage return found.

Bad value “/ Forschung/2323-five-shades-of-de-grey ” for attribute “href” on element “a”: Tab, new line or carriage return found.

Bad value “/ Trivia/2320-algorithmen-im-ikea-stil” for attribute “href” on element “a”: Tab, new line or carriage return found.

Bad value “/ Trivia/2320-algorithmen-im-ikea-stil ” for attribute “href” on element “a”: Tab, new line or carriage return found.

Bad value “/ dmv-blog/2318-weierstraßvorlesung-2018-an-der-universität-paderborn-mit-sir-timothy-gowers” for attribute “href” on element “a”: Tab, new line or carriage return found.

Bad value “/ dmv-blog/2318-weierstraßvorlesung-2018-an-der-universität-paderborn-mit-sir-timothy-gowers ” for attribute “href” on element “a”: Tab, new line or carriage return found.

Bad value “/ dmv-blog/2304-sofja-kovalevskaja-preis-–-neue-bewerbungsrunde” for attribute “href” on element “a”: Tab, new line or carriage return found.

Bad value “/ dmv-blog/2304-sofja-kovalevskaja-preis-–-neue-bewerbungsrunde ” for attribute “href” on element “a”: Tab, new line or carriage return found.

Element “span” not allowed as child of element “time” in this context. (Suppressing further errors from this subtree.)