You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information.
<?xml version="1.0"?>
      <page pageid="321" ns="0" title="Main Page">
          <tl ns="0" title="Main Page/Language versions" />
          <tl ns="0" title="Main Page/Social media" />
          <tl ns="0" title="Main Page/Welcome" />
          <tl ns="0" title="Main Page/Wikimedia News" />
          <tl ns="0" title="Main Page/Wikivoyage News" />
          <tl ns="0" title="Wikivoyage News:2020-08-17: Non-profit organization" />
          <tl ns="0" title="Wikivoyage News:2020-08-27: Japanese Wikivoyage started" />
          <tl ns="0" title="Wikivoyage News:2020-12-15: Esperanto Wikivoyage started" />
          <tl ns="0" title="Wikivoyage News:2020-12-23: 2020 Annual Report published" />
          <tl ns="0" title="Wikivoyage News:2020-12-23: 22. General Assembly" />
    <templates tlcontinue="321|10|!" />