ecsa.citizen-science.net

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 2.57:1. Recommendation: change background to #007eb1.

Selector: #bt_bb_section69d447b496dd1 > div > div > div > div > div > div > div > div > div > div > div > div:nth-child(1) > div > div > div > div:nth-child(2) > div > div:nth-child(6) > a > span

Kontext: <span class="bt_bb_button_text">About us</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 1.95:1. Recommendation: change background to #5b820d.

Selector: #bt_bb_section69d447b496dd1 > div > div > div > div > div > div > div > div > div > div > div > div:nth-child(1) > div > div > div > div:nth-child(2) > div > div:nth-child(7) > a > span

Kontext: <span class="bt_bb_button_text">Contact us</span>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 3:1, but text in this element has a contrast ratio of 1.95:1. Recommendation: change text colour to #7aa12c.

Selector: #bt_bb_section69d447b4995c7 > div > div > div > div:nth-child(2) > div > div:nth-child(1) > div > header > h2 > span > span > u

Kontext: <u>We are the</u>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 3:1, but text in this element has a contrast ratio of 2.57:1. Recommendation: change text colour to #219fd2.

Selector: #bt_bb_section69d447b4995c7 > div > div > div > div:nth-child(2) > div > div:nth-child(1) > div > header > h2 > span > span > b

Kontext: <b>European Citizen Science Associ...</b>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 3:1, but text in this element has a contrast ratio of 1.95:1. Recommendation: change text colour to #7aa12c.

Selector: #bt_bb_section69d447b4995c7 > div > div > div > div:nth-child(3) > div > div:nth-child(1) > div > div:nth-child(1) > div > div:nth-child(1) > a > u

Kontext: <u>About us</u>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 3:1, but text in this element has a contrast ratio of 1.95:1. Recommendation: change text colour to #7aa12c.

Selector: #bt_bb_section69d447b4995c7 > div > div > div > div:nth-child(3) > div > div:nth-child(2) > div > div:nth-child(1) > div > div:nth-child(1) > a > u

Kontext: <u>Engage</u>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 3:1, but text in this element has a contrast ratio of 1.95:1. Recommendation: change text colour to #7aa12c.

Selector: #bt_bb_section69d447b4995c7 > div > div > div > div:nth-child(3) > div > div:nth-child(3) > div > div:nth-child(1) > div > div:nth-child(1) > a > u

Kontext: <u>Projects</u>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 3:1, but text in this element has a contrast ratio of 1.95:1. Recommendation: change text colour to #7aa12c.

Selector: #bt_bb_section69d447b4995c7 > div > div > div > div:nth-child(4) > div > div:nth-child(1) > div > div:nth-child(1) > div > div:nth-child(1) > a > u

Kontext: <u>Members</u>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 3:1, but text in this element has a contrast ratio of 1.95:1. Recommendation: change text colour to #7aa12c.

Selector: #bt_bb_section69d447b4995c7 > div > div > div > div:nth-child(4) > div > div:nth-child(2) > div > div:nth-child(1) > div > div:nth-child(1) > a > u

Kontext: <u>Working groups</u>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 3:1, but text in this element has a contrast ratio of 1.95:1. Recommendation: change text colour to #7aa12c.

Selector: #bt_bb_section69d447b4995c7 > div > div > div > div:nth-child(4) > div > div:nth-child(3) > div > div:nth-child(1) > div > div:nth-child(1) > a > u

Kontext: <u>Events</u>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 3:1, but text in this element has a contrast ratio of 1.61:1. Recommendation: change text colour to #080b00.

Selector: #intro > div > div > div > div > div > div:nth-child(2) > div > header > h2 > span > span > u

Kontext: <u>We are</u>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 3:1, but text in this element has a contrast ratio of 2.12:1. Recommendation: change text colour to #00090d.

Selector: #intro > div > div > div > div > div > div:nth-child(2) > div > header > h2 > span > span > b

Kontext: <b>ECSA</b>

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 2.12:1. Recommendation: change text colour to #00090d.

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

Kontext: <a href="https://www.museumfuernaturkunde.berlin/" target="_blank" rel="noopener">Museum für Naturkunde Berlin</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 2.12:1. Recommendation: change text colour to #00090d.

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

Kontext: <a href="http://citizenscienceglobal.org/" target="_blank" rel="noopener">Citizen Science Global Partners...</a>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 3:1, but text in this element has a contrast ratio of 1.95:1. Recommendation: change text colour to #7aa12c.

Selector: #news > div > div > div > div:nth-child(2) > div > div:nth-child(1) > div > header > h2 > span > span > u

Kontext: <u>Latest</u>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 3:1, but text in this element has a contrast ratio of 2.57:1. Recommendation: change text colour to #219fd2.

Selector: #news > div > div > div > div:nth-child(2) > div > div:nth-child(1) > div > header > h2 > span > span > b

Kontext: <b>news</b>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 3:1, but text in this element has a contrast ratio of 1:1. Recommendation: change text colour to #949494.

Selector: #news > div > div > div > div:nth-child(3) > div > div > div > div:nth-child(1) > div:nth-child(1) > div:nth-child(2) > h5 > a

Kontext: <a href="https://www.ecsa.ngo/2026/03/18/job-opportunity-ecsa-web-developer/" target="_self">Job opportunity @ ECSA — Full-S...</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 1:1. Recommendation: change text colour to #767676.

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

Kontext: <div class="bt_bb_latest_posts_item_excerpt">ECSA is looking for a Full-Stac...</div>

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 2.57:1. Recommendation: change text colour to #007eb1.

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

Kontext: <a href="https://www.ecsa.ngo/2026/03/18/job-opportunity-ecsa-web-developer/" target="_self">Read more</a>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 3:1, but text in this element has a contrast ratio of 2.57:1. Recommendation: change text colour to #219fd2.

Selector: #news > div > div > div > div:nth-child(3) > div > div > div > div:nth-child(1) > div:nth-child(2) > div:nth-child(2) > h5 > a

Kontext: <a href="https://www.ecsa.ngo/2025/04/29/citizenscienceforclimateaction2025/" target="_self">Citizen Science for Climate Act...</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 2.57:1. Recommendation: change text colour to #007eb1.

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

Kontext: <a href="https://www.ecsa.ngo/2025/04/29/citizenscienceforclimateaction2025/" target="_self">Read more</a>

Originalmeldung: This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 3:1, but text in this element has a contrast ratio of 2.57:1. Recommendation: change text colour to #219fd2.

Selector: #news > div > div > div > div:nth-child(3) > div > div > div > div:nth-child(1) > div:nth-child(3) > div:nth-child(2) > h5 > a

Kontext: <a href="https://www.ecsa.ngo/2025/04/23/taxonomyrecognitionday2025/" target="_self">Taxonomy Recognition Day 2025: ...</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 2.57:1. Recommendation: change text colour to #007eb1.

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

Kontext: <a href="https://www.ecsa.ngo/2025/04/23/taxonomyrecognitionday2025/" target="_self">Read more</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 2.57:1. Recommendation: change text colour to #007eb1.

Selector: #bt_bb_section69d447b49e8d0 > div > div > div > div:nth-child(1) > div > div:nth-child(2) > div > div:nth-child(3) > a > span

Kontext: <span class="bt_bb_button_text">Subscribe to the newsletter </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 2.57:1. Recommendation: change background to #007eb1.

Selector: #bt_bb_section69d447b496dd1 > div > div > div > div > div > div > div > div > div > div > div > div:nth-child(2) > div > div > div > div > div > div:nth-child(6) > a > span

Kontext: <span class="bt_bb_button_text">10 Principles of Citizen Scienc...</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 1.95:1. Recommendation: change background to #5b820d.

Selector: #bt_bb_section69d447b496dd1 > div > div > div > div > div > div > div > div > div > div > div > div:nth-child(2) > div > div > div > div > div > div:nth-child(7) > a > span

Kontext: <span class="bt_bb_button_text">ECSA Guidelines and Policies</span>

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

Selector: html > body > div:nth-child(1) > div > div > div > a

Kontext: <a href="#" target="_self" data-ico-fa="" class="bt_bb_icon_holder"></a>

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

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

Kontext: <a href="#" target="_self" data-ico-fa="" class="bt_bb_icon_holder"></a>

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

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

Kontext: <a href="#" target="_self" data-ico-fa="" class="bt_bb_icon_holder"></a>

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

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

Kontext: <a href="https://www.facebook.com/ECSAcommunity/" target="_blank" class="btIconWidget "><div class="btIconWidgetIcon"><...</a>

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

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

Kontext: <a href="https://mastodon.social/@ECSA" target="_blank" class="btIconWidget "><div class="btIconWidgetIcon"><...</a>

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

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

Kontext: <a href="https://www.instagram.com/ecsa_community/" target="_blank" class="btIconWidget "><div class="btIconWidgetIcon"><...</a>

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

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

Kontext: <a href="https://de.linkedin.com/company/eucitsci" target="_blank" class="btIconWidget "><div class="btIconWidgetIcon"><...</a>

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

Selector: #top > header > div > div:nth-child(1) > div > div > a:nth-child(7)

Kontext: <a href="https://www.flickr.com/photos/194835111@N03/albums/with/72177720300291947" target="_blank" class="btIconWidget "><div class="btIconWidgetIcon"><...</a>

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

Selector: #top > header > div > div:nth-child(1) > div > div > a:nth-child(8)

Kontext: <a href="https://www.youtube.com/channel/UC-KXyw1Qg6fLrdoQ5IrC_zg" target="_blank" class="btIconWidget "><div class="btIconWidgetIcon"><...</a>

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

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

Kontext: <a href="#" target="_self" data-ico-fa="" class="bt_bb_icon_holder"></a>

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

Selector: #bt_bb_section69d447b49890f > div > div > div > div > div > div:nth-child(3) > div > header > h3 > span > span > a

Kontext: <a href="#what-is-cs" target="_self" title="What is ECSA">What is<br> <u>ECSA</u></a>

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: html > body > div:nth-child(1) > div > form > input

Kontext: <input type="text" name="s" placeholder="Looking for..." class="untouched">

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: html > body > div:nth-child(1) > div > form > input

Kontext: <input type="text" name="s" placeholder="Looking for..." class="untouched">

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: html > body > div:nth-child(1) > div > form > button

Kontext: <button type="submit" data-icon=""></button>

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

Selector: #intro

Kontext: <section id="intro" class="bt_bb_section bt_bb_layout_boxed_1200 bt_bb_vertical_align_top bt_bb_bottom_spacing_medium bt_bb_section_show_left_boxed_content" style="background-po...