Polylang Google multi-language sitemaps

Nowadays, a sitemap on a website is very important, and even more so if you have a multilingual website. In most cases, the Polylang plugin is used to create a multilingual site on WordPress.

Google requires a multilingual map with appropriate Hreflangs. Documentation HERE
In short, you need to generate a map of this type

<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
  xmlns:xhtml="http://www.w3.org/1999/xhtml">
  <url>
    <loc>https://www.example.com/english/page.html</loc>
    <xhtml:link
               rel="alternate"
               hreflang="de"
               href="https://www.example.de/deutsch/page.html"/>
    <xhtml:link
               rel="alternate"
               hreflang="de-ch"
               href="https://www.example.de/schweiz-deutsch/page.html"/>
    <xhtml:link
               rel="alternate"
               hreflang="en"
               href="https://www.example.com/english/page.html"/>
  </url>
  <url>
    <loc>https://www.example.de/deutsch/page.html</loc>
    <xhtml:link
               rel="alternate"
               hreflang="de"
               href="https://www.example.de/deutsch/page.html"/>
    <xhtml:link
               rel="alternate"
               hreflang="de-ch"
               href="https://www.example.de/schweiz-deutsch/page.html"/>
    <xhtml:link
               rel="alternate"
               hreflang="en"
               href="https://www.example.com/english/page.html"/>
  </url>
  <url>
    <loc>https://www.example.de/schweiz-deutsch/page.html</loc>
    <xhtml:link
               rel="alternate"
               hreflang="de"
               href="https://www.example.de/deutsch/page.html"/>
    <xhtml:link
               rel="alternate"
               hreflang="de-ch"
               href="https://www.example.com/schweiz-deutsch/page.html"/>
    <xhtml:link
               rel="alternate"
               hreflang="en"
               href="https://www.example.com/english/page.html"/>
  </url>
</urlset>

Plugin settings

Download the archive and install it like a regular plugin.

Go to the settings

Everything is simple here:

1. We choose which posts need to be uploaded to the map.
2. We choose which Taxonomies need to be uploaded to the map.

Save everything and go to the url of the map.

An example of a map is here