The pains of being an internationalised domain name

Checklist. Using Danish as an example. Make sure to clearly set the domain in UTF8 in the source code: <base href="https://æøå.example.com/"/> <link href="https://æøå.example.com/" rel="canonical"/> <link rel="alternate" href="https://æøå.example.com/" hreflang="da-DK"/> Explicitly set the language: <html lang="da-DK"> Provide the readable site name for the search engines and sharing snippets: <meta property="og:site_name" content="AE OE AA Example"/>