deutsches-chemie-museum.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 3.99:1. Recommendation: change text colour to #2a0000.

Selector: #collapse-6_2_1089_90 > div > div > div > div > div > div:nth-child(6) > span

Kontext: <span style="color: #ff0000;">-------------------------------...</span>

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 3.56:1. Recommendation: change text colour to #00190d.

Selector: #collapse-6_2_1089_90 > div > div > div > div > div > div:nth-child(7) > strong > span > span

Kontext: <span style="text-decoration: underline;">Nächste Kolloquien :&nbsp;&nbsp...</span>

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 3.56:1. Recommendation: change text colour to #00190d.

Selector: #collapse-6_2_1089_90 > div > div > div > div > div > div:nth-child(8) > strong > span > span

Kontext: <span style="text-decoration: underline;">Do 16.04.2026 17.00 Uhr HS 9 de...</span>

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 3.56:1. Recommendation: change text colour to #00190d.

Selector: #collapse-6_2_1089_90 > div > div > div > div > div > div:nth-child(9) > strong > span

Kontext: <span style="color: #339966;">&nbsp;Prof. Dr. Manfred Aigner ...</span>

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 3.56:1. Recommendation: change text colour to #00190d.

Selector: #collapse-6_2_1089_90 > div > div > div > div > div > div:nth-child(9) > span > strong

Kontext: <strong>&nbsp;DLR Deutsches Zentrum für...</strong>

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 3.56:1. Recommendation: change text colour to #00190d.

Selector: #collapse-6_2_1089_90 > div > div > div > div > div > div:nth-child(10) > span > strong

Kontext: <strong>"Stand der 'Power-to-Liquid'-An...</strong>

Originalmeldung: Img element with empty alt text must have absent or empty title attribute.

Selector: #carousel_gallery_4_3_1089 > div > div:nth-child(4) > picture > img

Kontext: <img class="d-block mx-auto img-fluid" src="https://www.deutsches-chemie-museum.de/de/datei/zuschneiden/1110x500x0x534x2560x1154/id/3800,1089/impressionen_technikpark1.jpg" alt=...

Originalmeldung: Img element missing an alt attribute. Use the alt attribute to specify a short text alternative.

Selector: #logo-schriftzug

Kontext: <img id="logo-schriftzug" src="/modules/page/templates/images/schriftzug_small.png">

Originalmeldung: Object elements must contain a text alternative after all other alternatives are exhausted.

Selector: #header-top > div:nth-child(5) > div > a > object

Kontext: <object data="/modules/page/templates/images/en_square.svg" type="image/svg+xml"> ...</object>

Originalmeldung: Img element missing an alt attribute. Use the alt attribute to specify a short text alternative.

Selector: #header-top > div:nth-child(5) > div > a > object > img

Kontext: <img src="/modules/page/templates/images/en_square.png">

Originalmeldung: Img element missing an alt attribute. Use the alt attribute to specify a short text alternative.

Selector: #OpenLayers_Layer_OSM_Mapnik_20 > img:nth-child(1)

Kontext: <img class="olTileImage" crossorigin="anonymous" src="//a.tile.openstreetmap.org/15/17473/10920.png" style="visibility: inherit; opacity: 1; position: absolute; left: -152px; to...

Originalmeldung: Img element missing an alt attribute. Use the alt attribute to specify a short text alternative.

Selector: #OpenLayers_Layer_OSM_Mapnik_20 > img:nth-child(2)

Kontext: <img class="olTileImage" crossorigin="anonymous" src="//c.tile.openstreetmap.org/15/17474/10920.png" style="visibility: inherit; opacity: 1; position: absolute; left: 104px; top...

Originalmeldung: Img element missing an alt attribute. Use the alt attribute to specify a short text alternative.

Selector: #OpenLayers_Layer_OSM_Mapnik_20 > img:nth-child(3)

Kontext: <img class="olTileImage" crossorigin="anonymous" src="//a.tile.openstreetmap.org/15/17473/10919.png" style="visibility: inherit; opacity: 1; position: absolute; left: -152px; to...

Originalmeldung: Img element missing an alt attribute. Use the alt attribute to specify a short text alternative.

Selector: #OpenLayers_Layer_OSM_Mapnik_20 > img:nth-child(4)

Kontext: <img class="olTileImage" crossorigin="anonymous" src="//a.tile.openstreetmap.org/15/17474/10919.png" style="visibility: inherit; opacity: 1; position: absolute; left: 104px; top...

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: #logo-container

Kontext: <a id="logo-container" href="/" title="Deutsches Chemie-Museum Merseburg "> <img i...</a>

Originalmeldung: This link points to a named anchor "zoomIn" within the document, but no anchor exists with that name.

Selector: #OpenLayers_Control_Zoom_19 > a:nth-child(1)

Kontext: <a href="#zoomIn" class="olControlZoomIn olButton">+</a>

Originalmeldung: This link points to a named anchor "zoomOut" within the document, but no anchor exists with that name.

Selector: #OpenLayers_Control_Zoom_19 > a:nth-child(2)

Kontext: <a href="#zoomOut" class="olControlZoomOut olButton">−</a>

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

Selector: #collapseSearchButton

Kontext: <a id="collapseSearchButton" class="btn btn-link" data-toggle="collapse" title="Suche aus-/zuklappen" href="#collapseSearchMask" role="button" aria-expanded="false" aria-control...

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

Selector: #gc_search_word_header_11_2_1089

Kontext: <input type="text" name="search[word]" id="gc_search_word_header_11_2_1089" placeholder="Suche" autocomplete="on" class="searchbar-word form-control" value="">

Originalmeldung: This form field should be labelled in some way. Use the label element (either with a "for" attribute or wrapped around the form field), or "title", "aria-label" or "aria-labelledby" attributes as appropriate.

Selector: #gc_search_word_header_11_2_1089

Kontext: <input type="text" name="search[word]" id="gc_search_word_header_11_2_1089" placeholder="Suche" autocomplete="on" class="searchbar-word form-control" value="">

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: #35_2_1089_cssmode-chemie

Kontext: <button id="35_2_1089_cssmode-chemie" data-cssmode="chemie" title="" aria-label="" type="button" class="cssmode-btn btn btn-white rounded disabled" data-toggle="tooltip" disable...

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: #pm_trigger_24_2_1089

Kontext: <button id="pm_trigger_24_2_1089" class="pushmenu-trigger btn d-inline-flex flex-column align-items-center animation text-primary"> <s...</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: #page-body > div:nth-child(7) > div:nth-child(1) > button

Kontext: <button type="button" class="ui-dialog-titlebar-close"></button>