Hey Ole,
So, visiting the website I see this in the dev tools:
this is what you wrote in the SEO settings of /
So that looks fine to me. I checked this for the preview and the exported, published website. Do you like to check that again please? See if I missed sth there?
Second thing would be Google.
What shows up in Google search though, is :
This however is how Google crawled and indexed your website. Though it should probably show sth like this:
My assumption here is that Google needs to re-index your website correctly. I assume you are using the Google Search Console?