leibniz-irs.de

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.54:1. Recommendation: change text colour to #575c5e.

Selector: #js-cookie-consent-popup-page-intro > div:nth-child(2) > button:nth-child(2)

Kontext: <button class="button-primary js-cookie-consent-button-accept-all">Alle akzeptieren</button>

Originalmeldung: Presentational markup used that has become obsolete in HTML5.

Selector: #c20199 > aside > font:nth-child(1)

Kontext: <font size="5" color="#ffffff"><bold> Über das Institut</bold>...</font>

Originalmeldung: Presentational markup used that has become obsolete in HTML5.

Selector: #c20199 > aside > font:nth-child(2)

Kontext: <font size="3,5" color="#ffffff"><br> Das IRS erforscht die Zusa...</font>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.27:1. Recommendation: change background to #e22e2c.

Selector: #c20199 > aside > font:nth-child(2)

Kontext: <font size="3,5" color="#ffffff"><br> Das IRS erforscht die Zusa...</font>

Originalmeldung: Presentational markup used that has become obsolete in HTML5.

Selector: #c20199 > aside > font:nth-child(2) > a > font

Kontext: <font color="#ffffff"> Wissenschaftlichen Sammlungen ...</font>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.27:1. Recommendation: change background to #e22e2c.

Selector: #c20199 > aside > font:nth-child(2) > a > font

Kontext: <font color="#ffffff"> Wissenschaftlichen Sammlungen ...</font>

Originalmeldung: Presentational markup used that has become obsolete in HTML5.

Selector: #c20199 > aside > font:nth-child(2) > ul > li:nth-child(1) > a > font

Kontext: <font color="#ffffff"> Ökonomie und Zivilgesellschaft...</font>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.27:1. Recommendation: change background to #e22e2c.

Selector: #c20199 > aside > font:nth-child(2) > ul > li:nth-child(1) > a > font

Kontext: <font color="#ffffff"> Ökonomie und Zivilgesellschaft...</font>

Originalmeldung: Presentational markup used that has become obsolete in HTML5.

Selector: #c20199 > aside > font:nth-child(2) > ul > li:nth-child(2) > a > font

Kontext: <font color="#ffffff"> Politik und Planung </font>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.27:1. Recommendation: change background to #e22e2c.

Selector: #c20199 > aside > font:nth-child(2) > ul > li:nth-child(2) > a > font

Kontext: <font color="#ffffff"> Politik und Planung </font>

Originalmeldung: Presentational markup used that has become obsolete in HTML5.

Selector: #c20199 > aside > font:nth-child(2) > ul > li:nth-child(3) > a > font

Kontext: <font color="#ffffff"> Zeitgeschichte und Archiv </font>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.27:1. Recommendation: change background to #e22e2c.

Selector: #c20199 > aside > font:nth-child(2) > ul > li:nth-child(3) > a > font

Kontext: <font color="#ffffff"> Zeitgeschichte und Archiv </font>

Originalmeldung: Presentational markup used that has become obsolete in HTML5.

Selector: #c20199 > font

Kontext: <font size="5" color="#555555"></font>

Originalmeldung: Img element is the only content of the link, but is missing alt text. The alt text should describe the purpose of the link.

Selector: #c20208 > div > div > div > div:nth-child(1) > div:nth-child(1) > a

Kontext: <a title="Welche Werte entscheiden über die Zukunft von Regionen?" href="/aktuelles/werte-zukunft-regionen" tabindex="-1"><img ratio="170:225" src="/file...</a>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.27:1. Recommendation: change text colour to #e22e2c.

Selector: #c20208 > div > div > div > div:nth-child(1) > div:nth-child(2) > div:nth-child(2) > div:nth-child(1) > a

Kontext: <a title="Welche Werte entscheiden über d..." href="/aktuelles/werte-zukunft-regionen" tabindex="-1">Welche Werte entscheiden über die Zukunft von Regionen?</a>

Originalmeldung: Img element is the only content of the link, but is missing alt text. The alt text should describe the purpose of the link.

Selector: #c20208 > div > div > div > div:nth-child(2) > div:nth-child(1) > a

Kontext: <a title="Neue Forschungsagenda für kommunalen Klimaschutz" href="/aktuelles/forschungsagenda-kommunaler-klimaschutz" tabindex="-1"><img ratio="170:225" src="/file...</a>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.27:1. Recommendation: change text colour to #e22e2c.

Selector: #c20208 > div > div > div > div:nth-child(2) > div:nth-child(2) > div:nth-child(2) > div:nth-child(1) > a

Kontext: <a title="Neue Forschungsagenda für kommu..." href="/aktuelles/forschungsagenda-kommunaler-klimaschutz" tabindex="-1">Neue Forschungsagenda für kommunalen Klimaschutz</a>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.27:1. Recommendation: change text colour to #e22e2c.

Selector: #c20208 > div > div > div > div:nth-child(3) > div:nth-child(2) > div:nth-child(2) > div:nth-child(1) > a

Kontext: <a title="Bauen für die DDR: Originalzeic..." href="/aktuelles/meldungen/2026/08/bauen-fuer-die-ddr-originalzeichnungen-von-josef-kaiser-aus-dem-irs-archiv-in-der-berlinischen-g...

Originalmeldung: Img element is the only content of the link, but is missing alt text. The alt text should describe the purpose of the link.

Selector: #c20208 > div > div > div > div:nth-child(4) > div:nth-child(1) > a

Kontext: <a title="Über Grenzen und die Soziologie" href="/aktuelles/meldungen/2026/07/ueber-grenzen-und-die-soziologie" tabindex="-1"><img ratio="170:225" src="/file...</a>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.27:1. Recommendation: change text colour to #e22e2c.

Selector: #c20208 > div > div > div > div:nth-child(4) > div:nth-child(2) > div:nth-child(2) > div > a

Kontext: <a title="Über Grenzen und die Soziologie" href="/aktuelles/meldungen/2026/07/ueber-grenzen-und-die-soziologie" tabindex="-1">Über Grenzen und die Soziologie</a>

Originalmeldung: Img element is the only content of the link, but is missing alt text. The alt text should describe the purpose of the link.

Selector: #c20208 > div > div > div > div:nth-child(5) > div:nth-child(1) > a

Kontext: <a title="Neues Dossier zu Citizen Science erschienen" href="/aktuelles/meldungen/2026/07/neues-dossier-zu-citizen-science-erschienen" tabindex="-1"><img ratio="170:225" src="/f...

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.27:1. Recommendation: change text colour to #e22e2c.

Selector: #c20208 > div > div > div > div:nth-child(5) > div:nth-child(2) > div:nth-child(2) > div > a

Kontext: <a title="Neues Dossier zu Citizen Scienc..." href="/aktuelles/meldungen/2026/07/neues-dossier-zu-citizen-science-erschienen" tabindex="-1">Neues Dossier zu Citizen Science ersc...

Originalmeldung: Img element is the only content of the link, but is missing alt text. The alt text should describe the purpose of the link.

Selector: #c20208 > div > div > div > div:nth-child(6) > div:nth-child(1) > a

Kontext: <a title="„Klimaanpassung ist eine Gerechtigkeitsfrage&quot;" href="/aktuelles/teebken-beirat-klimaanpassung" tabindex="-1"><img ratio="170:225" src="/file...</a>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.27:1. Recommendation: change text colour to #e22e2c.

Selector: #c20208 > div > div > div > div:nth-child(6) > div:nth-child(2) > div:nth-child(2) > div:nth-child(1) > a

Kontext: <a title="„Klimaanpassung ist eine Gerechtigkeitsfrage&quot;" href="/aktuelles/teebken-beirat-klimaanpassung" tabindex="-1">„Klimaanpassung ist eine Gerech...</a>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.27:1. Recommendation: change text colour to #e22e2c.

Selector: #c20206 > div > div > div > div > div:nth-child(2) > div:nth-child(1) > a

Kontext: <a title="Boden, Bauten, Grenzen. Die Mat..." href="/veranstaltungen/einzelne-veranstaltungsseiten/01/boden-bauten-grenzen-die-materialitaet-staedtischer-ungleichheit-seit-1900"...

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.27:1. Recommendation: change text colour to #e22e2c.

Selector: #c23343 > div > div > div > div > div:nth-child(2) > div:nth-child(1) > a

Kontext: <a title="Kompakt, gemischt, gut angebund..." href="/aktuelles/meldungen/2026/08/kompakt-gemischt-gut-angebunden" tabindex="-1">Kompakt, gemischt, gut angebunden</a>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.54:1. Recommendation: change text colour to #575c5e.

Selector: #footer-navigation > ul:nth-child(1) > li > a

Kontext: <a href="/impressum" target="_self" title="Impressum" tabindex="-1">Impressum</a>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.54:1. Recommendation: change text colour to #575c5e.

Selector: #footer-navigation > ul:nth-child(2) > li > a

Kontext: <a href="/datenschutz" target="_self" title="Datenschutz" tabindex="-1">Datenschutz</a>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.95:1. Recommendation: change background to #717678.

Selector: #slick-slide01 > button

Kontext: <button type="button" data-role="none" role="button" aria-required="false" tabindex="0">2</button>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.95:1. Recommendation: change background to #717678.

Selector: #slick-slide02 > button

Kontext: <button type="button" data-role="none" role="button" aria-required="false" tabindex="0">3</button>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.95:1. Recommendation: change background to #717678.

Selector: #slick-slide03 > button

Kontext: <button type="button" data-role="none" role="button" aria-required="false" tabindex="0">4</button>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 3.95:1. Recommendation: change background to #717678.

Selector: #slick-slide04 > button

Kontext: <button type="button" data-role="none" role="button" aria-required="false" tabindex="0">5</button>

Originalmeldung: Img element is the only content of the link, but is missing alt text. The alt text should describe the purpose of the link.

Selector: #c20208 > div > div > div > div:nth-child(3) > div:nth-child(1) > a

Kontext: <a title="Bauen für die DDR: Originalzeichnungen von Josef Kaiser aus dem IRS-Archiv in der Berlinischen Galerie" href="/aktuelles/meldungen/2026/08/bauen-fuer-die-ddr-originalz...

Originalmeldung: Img element is the only content of the link, but is missing alt text. The alt text should describe the purpose of the link.

Selector: #c20206 > div > div > div > div > div:nth-child(3) > a

Kontext: <a title="Boden, Bauten, Grenzen. Die Materialität städtischer Ungleichheit seit 1900" href="/veranstaltungen/einzelne-veranstaltungsseiten/01/boden-bauten-grenzen-die-materiali...

Originalmeldung: Img element is the only content of the link, but is missing alt text. The alt text should describe the purpose of the link.

Selector: #c23343 > div > div > div > div > div:nth-child(3) > a

Kontext: <a title="Kompakt, gemischt, gut angebunden" href="/aktuelles/meldungen/2026/08/kompakt-gemischt-gut-angebunden" tabindex="-1"><img src="/fileadmin/_processed...</a>

Originalmeldung: Img element is the only content of the link, but is missing alt text. The alt text should describe the purpose of the link.

Selector: #footer > div > div > a:nth-child(1)

Kontext: <a href="http://www.berufundfamilie.de/" title="AuditBerufundFamilie" target="_blank" tabindex="-1"><img src="/typo3conf/ext/leibni...</a>

Originalmeldung: Img element is the only content of the link, but is missing alt text. The alt text should describe the purpose of the link.

Selector: #footer > div > div > div:nth-child(2) > a

Kontext: <a href="http://www.leibniz-gemeinschaft.de/start" title="Leibniz-Gemeinschaft" target="_blank" tabindex="-1"><img src="/typo3conf/ext/leibni...</a>

Originalmeldung: Img element is the only content of the link, but is missing alt text. The alt text should describe the purpose of the link.

Selector: #footer > div > div > div:nth-child(3) > a

Kontext: <a href="https://mwfk.brandenburg.de/mwfk/de/#" title="Ministerium der Wissenschaft" target="_blank" tabindex="-1"><img src="/typo3conf/ext/leibni...</a>

Originalmeldung: Img element is the only content of the link, but is missing alt text. The alt text should describe the purpose of the link.

Selector: #footer > div > div > a:nth-child(4)

Kontext: <a href="https://www.bmwsb.bund.de/Webs/BMWSB/DE/startseite/startseite-node.html" title="Bundesministerium für Wohnen, Stadtentwicklung und Bauwesen" target="_blank" tabindex="-...

Originalmeldung: This button element does not have a name available to an accessibility API. Valid names are: title , element content, aria-label , aria-labelledby .

Selector: #close-menu

Kontext: <button id="close-menu" tabindex="-1"><span></span><span></span></button>

Originalmeldung: This button element does not have a name available to an accessibility API. Valid names are: title , element content, aria-label , aria-labelledby .

Selector: #toggle-menu

Kontext: <button id="toggle-menu" tabindex="-1"><div></div><div></div><div></di...</button>

Originalmeldung: Duplicate id attribute value "ArtBoard1" found on the web page.

Selector: #ArtBoard1

Kontext: <rect id="ArtBoard1" x="-135.177" y="19.332" width="2666.667" height="1669.031" style="fill:none;"></rect>