@joepie91 It's the official page. It is a subdomain of au.dk, the official website of the Aarhus University. It is also listed as the official homepage on the mozilla add-on page https://addons.mozilla.org/en-US/firefox/addon/consent-o-matic/ and the Chrome web store https://chrome.google.com/webstore/detail/consent-o-matic/mdjildafknihdffpkfmmpnpoiajfjnjd?hl=en