bunkermuseum-oberhausen.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 3.57:1. Recommendation: change text colour to #e61a1a.

Selector: #fuehrungen > div:nth-child(1) > div:nth-child(2) > div > p:nth-child(3) > a:nth-child(4)

Kontext: <a href="mailto:info-gedenkhalle@oberhausen.de">info-gedenkhalle@oberhausen.de</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 3.57:1. Recommendation: change text colour to #e61a1a.

Selector: #fuehrungen > div:nth-child(1) > div:nth-child(2) > div > p:nth-child(5) > a

Kontext: <a href="https://bunkermuseum-oberhausen.de/#bildung">siehe Bildungsangebote</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 3.57:1. Recommendation: change text colour to #e61a1a.

Selector: #bildung > div:nth-child(1) > div:nth-child(2) > div > p:nth-child(4) > span > a:nth-child(1)

Kontext: <a href="mailto:paedagogik-bunkermuseum@oberhau...">paedagogik-bunkermuseum@oberhausen.de</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 3.57:1. Recommendation: change text colour to #e61a1a.

Selector: #bildung > div:nth-child(1) > div:nth-child(2) > div > p:nth-child(5) > a:nth-child(1)

Kontext: <a href="https://bunkermuseum-oberhausen.de/wp-content/uploads/2025/10/0363-GHPaedBroschur2025.pdf" target="_blank" rel="noopener">Broschüre</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 3.57:1. Recommendation: change text colour to #e61a1a.

Selector: #bildung > div:nth-child(1) > div:nth-child(2) > div > p:nth-child(5) > a:nth-child(2)

Kontext: <a href="https://www.gedenkhalle-oberhausen.de/node/4" target="_blank" rel="noopener">www.gedenkhalle-oberhausen.de</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 3.57:1. Recommendation: change text colour to #e61a1a.

Selector: #stolpersteine > div:nth-child(1) > div:nth-child(2) > div > p:nth-child(4) > a

Kontext: <a href="mailto:paedagogik-bunkermuseum@oberhau...">paedagogik-bunkermuseum@oberhausen.de</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 3.57:1. Recommendation: change text colour to #e61a1a.

Selector: #stolpersteine > div:nth-child(1) > div:nth-child(2) > div > p:nth-child(6) > span > a:nth-child(1)

Kontext: <a href="https://www.gedenkhalle-oberhausen.de" target="_blank" rel="noopener">www.gedenkhalle-oberhausen.de</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 3.57:1. Recommendation: change text colour to #e61a1a.

Selector: #kontakt > div:nth-child(2) > div:nth-child(2) > div > div > p:nth-child(3) > a

Kontext: <a title="mailto:gedenkhalle-bunkermuseum@oberha..." href="mailto:gedenkhalle-bunkermuseum@oberhausen.de">gedenkhalle-bunkermuseum@oberhausen.de</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 3.57:1. Recommendation: change text colour to #e61a1a.

Selector: #kontakt > div:nth-child(5) > div:nth-child(1) > div > div > p:nth-child(4) > a

Kontext: <a href="mailto:Dirk.Klasen@oberhausen.de" class="">dirk.klasen@oberhausen.de</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 3.57:1. Recommendation: change text colour to #e61a1a.

Selector: #kontakt > div:nth-child(5) > div:nth-child(2) > div > div > p:nth-child(4) > a

Kontext: <a href="mailto:claudia.stein-laschinsky@oberha..." class="">claudia.stein-laschinsky@oberhausen.de</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 3.57:1. Recommendation: change text colour to #e61a1a.

Selector: #kontakt > div:nth-child(5) > div:nth-child(3) > div > div > p:nth-child(4) > a

Kontext: <a href="mailto:clemens.heinrichs@oberhausen.de" class="">clemens.heinrichs@<br> oberhaus...</a>

Originalmeldung: This form does not contain a submit button, which creates issues for those who cannot submit the form using the keyboard. Submit buttons are INPUT elements with type attribute "submit" or "image", or BUTTON elements with type "submit" or omitted/invalid.

Selector: #main-header > div:nth-child(2) > div > form

Kontext: <form role="search" method="get" class="et-search-form" action="https://bunkermuseum-oberhausen.de/"> <input type="search" clas...</form>

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

Selector: #et-boc > div > div > div:nth-child(1) > div:nth-child(1) > div:nth-child(1) > div:nth-child(1) > span > img

Kontext: <img decoding="async" width="1156" height="222" src="https://bunkermuseum-oberhausen.de/wp-content/uploads/2021/08/logo_bumu.png" alt="" title="logo_bumu" srcset="https://bunker...

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

Selector: #et-boc > div > div > div:nth-child(1) > div:nth-child(1) > div:nth-child(1) > div:nth-child(2) > span > img

Kontext: <img decoding="async" width="1156" height="222" src="https://bunkermuseum-oberhausen.de/wp-content/uploads/2021/08/logo_bumu.png" alt="" title="logo_bumu" srcset="https://bunker...

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

Selector: #et-boc > div > div > div:nth-child(1) > div:nth-child(1) > div:nth-child(2) > div:nth-child(1) > span > img

Kontext: <img decoding="async" loading="lazy" width="703" height="1133" src="https://bunkermuseum-oberhausen.de/wp-content/uploads/2021/08/gang2.png" alt="" title="gang2" srcset="https:/...

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

Selector: #et-boc > div > div > div:nth-child(1) > div:nth-child(1) > div:nth-child(2) > div:nth-child(2) > span > img

Kontext: <img decoding="async" loading="lazy" width="966" height="974" src="https://bunkermuseum-oberhausen.de/wp-content/uploads/2021/08/20Jahre.png" alt="" title="20Jahre" srcset="http...

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

Selector: #dauerausstellung > div:nth-child(1) > div:nth-child(1) > span > img

Kontext: <img decoding="async" loading="lazy" width="1427" height="549" src="https://bunkermuseum-oberhausen.de/wp-content/uploads/2021/09/heimatfront4.png" alt="" title="heimatfront4" s...

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

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

Kontext: <img decoding="async" loading="lazy" width="400" height="284" src="https://bunkermuseum-oberhausen.de/wp-content/uploads/2021/09/IMG_3603D-400x284.jpg" srcset="https://bunkermus...

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

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

Kontext: <img decoding="async" loading="lazy" width="400" height="284" src="https://bunkermuseum-oberhausen.de/wp-content/uploads/2021/09/IMG_3601D-400x284.jpg" srcset="https://bunkermus...

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

Selector: #dauerausstellung > div:nth-child(2) > div > div > div:nth-child(3) > div > a > img

Kontext: <img decoding="async" loading="lazy" width="400" height="284" src="https://bunkermuseum-oberhausen.de/wp-content/uploads/2021/09/IMG_3607D-400x284.jpg" srcset="https://bunkermus...

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

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

Kontext: <img decoding="async" loading="lazy" width="400" height="284" src="https://bunkermuseum-oberhausen.de/wp-content/uploads/2021/09/IMG_3614D-400x284.jpg" srcset="https://bunkermus...

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

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

Kontext: <img decoding="async" loading="lazy" width="400" height="284" src="https://bunkermuseum-oberhausen.de/wp-content/uploads/2021/09/IMG_3619D-400x284.jpg" srcset="https://bunkermus...

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

Selector: #dauerausstellung > div:nth-child(2) > div > div > div:nth-child(6) > div > a > img

Kontext: <img decoding="async" loading="lazy" width="400" height="284" src="https://bunkermuseum-oberhausen.de/wp-content/uploads/2021/09/IMG_3628D-400x284.jpg" srcset="https://bunkermus...

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

Selector: #dauerausstellung > div:nth-child(2) > div > div > div:nth-child(7) > div > a > img

Kontext: <img decoding="async" loading="lazy" width="400" height="284" src="https://bunkermuseum-oberhausen.de/wp-content/uploads/2021/09/IMG_3621-400x284.jpg" srcset="https://bunkermuse...

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

Selector: #dauerausstellung > div:nth-child(2) > div > div > div:nth-child(8) > div > a > img

Kontext: <img decoding="async" loading="lazy" width="400" height="284" src="https://bunkermuseum-oberhausen.de/wp-content/uploads/2021/09/IMG_3617-400x284.jpg" srcset="https://bunkermuse...

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

Selector: #fuehrungen > div:nth-child(2) > div > span > img

Kontext: <img decoding="async" loading="lazy" width="1275" height="656" src="https://bunkermuseum-oberhausen.de/wp-content/uploads/2021/09/fuehrungBumu.jpg" alt="" title="fuehrungBumu" s...

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

Selector: #bildung > div:nth-child(2) > div > span > img

Kontext: <img decoding="async" loading="lazy" width="1275" height="656" src="https://bunkermuseum-oberhausen.de/wp-content/uploads/2021/10/bildungsangebote.jpg" alt="" title="bildungsang...

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

Selector: #stolpersteine > div:nth-child(2) > div > span > img

Kontext: <img decoding="async" loading="lazy" width="1275" height="656" src="https://bunkermuseum-oberhausen.de/wp-content/uploads/2021/09/StolperSteineBumu.jpg" alt="" title="StolperSte...

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

Selector: #publikationen > div:nth-child(2) > div > span > img

Kontext: <img decoding="async" loading="lazy" width="1275" height="656" src="https://bunkermuseum-oberhausen.de/wp-content/uploads/2021/09/publikationenBumu.jpg" alt="" title="publikatio...

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

Selector: #kontakt > div:nth-child(2) > div:nth-child(1) > div > span > img

Kontext: <img decoding="async" loading="lazy" width="1156" height="222" src="https://bunkermuseum-oberhausen.de/wp-content/uploads/2021/08/BuMu-Logo-weiss.png" alt="" title="BuMu-Logo-we...

Originalmeldung: Anchor element found with a valid href attribute, but no link content has been supplied.

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

Kontext: <a href="mailto:paedagogik-bunkermuseum@oberhausen.de"></a>

Originalmeldung: Anchor element found with a valid href attribute, but no link content has been supplied.

Selector: #fuehrungen > div:nth-child(1) > div:nth-child(2) > div > p:nth-child(4) > a

Kontext: <a href="mailto:paedagogik-bunkermuseum@oberhausen.de"></a>

Originalmeldung: Anchor element found with a valid href attribute, but no link content has been supplied.

Selector: #bildung > div:nth-child(1) > div:nth-child(2) > div > p:nth-child(4) > span > a:nth-child(2)

Kontext: <a href="mailto:paedagogik-bunkermuseum@oberhausen.de"></a>

Originalmeldung: Anchor element found with a valid href attribute, but no link content has been supplied.

Selector: #stolpersteine > div:nth-child(1) > div:nth-child(2) > div > p:nth-child(6) > span > a:nth-child(2)

Kontext: <a href="http://www.gedenkhalle-oberhausen.de"></a>

Originalmeldung: The language specified in the lang attribute of this element does not appear to be well-formed.

Selector: #dauerausstellung > div:nth-child(1) > div:nth-child(2) > div > h3

Kontext: <h3 class="paragraph_style_1" lang="--multilingual" xml:lang="--multilingual">Vom ‚Blitzkrieg‘ in Europa<br>z...</h3>

Originalmeldung: The language specified in the xml:lang attribute of this element does not appear to be well-formed.

Selector: #dauerausstellung > div:nth-child(1) > div:nth-child(2) > div > h3

Kontext: <h3 class="paragraph_style_1" lang="--multilingual" xml:lang="--multilingual">Vom ‚Blitzkrieg‘ in Europa<br>z...</h3>

Originalmeldung: Duplicate id attribute value "menu-item-99" found on the web page.

Selector: #menu-item-99

Kontext: <li id="menu-item-99" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-home current-menu-item page_item page-item-27 current_page_item menu-item-99 et_f...

Originalmeldung: Duplicate id attribute value "menu-item-102" found on the web page.

Selector: #menu-item-102

Kontext: <li id="menu-item-102" class="menu-item menu-item-type-custom menu-item-object-custom current-menu-item current_page_item menu-item-home menu-item-102"><a href="https://bunkermu...

Originalmeldung: Duplicate id attribute value "menu-item-107" found on the web page.

Selector: #menu-item-107

Kontext: <li id="menu-item-107" class="menu-item menu-item-type-custom menu-item-object-custom current-menu-item current_page_item menu-item-home menu-item-107"><a href="https://bunkermu...

Originalmeldung: Duplicate id attribute value "menu-item-108" found on the web page.

Selector: #menu-item-108

Kontext: <li id="menu-item-108" class="menu-item menu-item-type-custom menu-item-object-custom current-menu-item current_page_item menu-item-home menu-item-108"><a href="https://bunkermu...

Originalmeldung: Duplicate id attribute value "menu-item-109" found on the web page.

Selector: #menu-item-109

Kontext: <li id="menu-item-109" class="menu-item menu-item-type-custom menu-item-object-custom current-menu-item current_page_item menu-item-home menu-item-109"><a href="https://bunkermu...

Originalmeldung: Duplicate id attribute value "menu-item-114" found on the web page.

Selector: #menu-item-114

Kontext: <li id="menu-item-114" class="menu-item menu-item-type-custom menu-item-object-custom current-menu-item current_page_item menu-item-home menu-item-114"><a href="https://bunkermu...

Originalmeldung: Duplicate id attribute value "menu-item-110" found on the web page.

Selector: #menu-item-110

Kontext: <li id="menu-item-110" class="menu-item menu-item-type-custom menu-item-object-custom current-menu-item current_page_item menu-item-home menu-item-110"><a href="https://bunkermu...

Originalmeldung: Duplicate id attribute value "menu-item-509-de" found on the web page.

Selector: #menu-item-509-de

Kontext: <li id="menu-item-509-de" class="lang-item lang-item-7 lang-item-de current-lang lang-item-first menu-item menu-item-type-custom menu-item-object-custom current_page_item menu-i...

Originalmeldung: Duplicate id attribute value "menu-item-509-en" found on the web page.

Selector: #menu-item-509-en

Kontext: <li id="menu-item-509-en" class="lang-item lang-item-9 lang-item-en menu-item menu-item-type-custom menu-item-object-custom menu-item-509-en"><a href="https://bunkermuseum-o...<...

Originalmeldung: Heading tag found with no content. Text that is not intended as a heading should not be marked up with heading tags.

Selector: #kontakt > div:nth-child(2) > div:nth-child(2) > div > div > h3:nth-child(4)

Kontext: <h3></h3>

Originalmeldung: Heading tag found with no content. Text that is not intended as a heading should not be marked up with heading tags.

Selector: #kontakt > div:nth-child(2) > div:nth-child(3) > div > div > h3:nth-child(4)

Kontext: <h3></h3>