You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <pages>
      <page ns="0" title="Main Page" missing="" />
    </pages>
    <general mainpage="Tommaso Tozzi" base="https://tommasotozzi.it/index.php?title=Tommaso_Tozzi" sitename="Tommaso Tozzi" generator="MediaWiki 1.18.1" phpversion="5.3.29" phpsapi="fpm-fcgi" dbtype="mysql" dbversion="5.0.96-community-log" case="first-letter" rights="Attribuzione - Non commerciale - Non opere derivate 4.0 Internazionale (CC BY-NC-ND 4.0)" lang="it" fallback8bitEncoding="windows-1252" readonly="" readonlyreason="ATTENZIONE: il sito รจ stato bloccato per manutenzione" writeapi="" timezone="Europe/Rome" timeoffset="120" articlepath="/index.php?title=$1" scriptpath="" script="/index.php" variantarticlepath="" server="//tommasotozzi.it" wikiid="Sql145013_1" time="2025-06-14T21:14:05Z" />
  </query>
</api>