What does a sitemap look like for a multilingual site?

Question

Search Engine Optimization

There is a site like en.exemple.com/, de.exemple.com/ and ru.exemple.com/, i.e. with different versions on the subdomain. Does the map need to be duplicated for each subdomain or is there a better way?

Answer 1

<url>
    <loc>http://www.example.com/english/page.html</loc>
    <xhtml:link 
               rel="alternate"
               hreflang="de"
               href="http://www.example.com/deutsch/page.html"/>
    <xhtml:link 
               rel="alternate"
               hreflang="de-ch"
               href="http://www.example.com/schweiz-deutsch/page.html"/>
    <xhtml:link 
               rel="alternate"
               hreflang="en"
               href="http://www.example.com/english/page.html"/>
  </url>

https://support.google.com/webmasters/answer/18907...