<!DOCTYPE html>
<html>
  <head>
    <!--
      oEmbed
      https://oembed.com/
      > The type attribute must contain either application/json+oembed for JSON
      > responses, or text/xml+oembed for XML.
    -->
    <link href='https://host.test/provider.xml' rel='alternate' type='text/xml+oembed'>
  </head>
  <body></body>
</html>