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"?>
<api>
  <query-continue>
    <allimages gaicontinue="Archer_Stab.png" />
  </query-continue>
  <query>
    <pages>
      <page pageid="13283" ns="6" title="File:(Free) Age of Apes Discs Iron Food Generator 2023.jpeg" />
      <page pageid="13284" ns="6" title="File:(Real) Cooking Fever Coins Gems Generator 2023 No Human Verification.jpeg" />
      <page pageid="13288" ns="6" title="File:(Unlimited-) Free 8 Ball Pool Cash Generator 2023 Updates No Human Verification.png" />
      <page pageid="3061" ns="6" title="File:219830 20160722222732 1.png" />
      <page pageid="1257" ns="6" title="File:Altar.png" />
      <page pageid="47" ns="6" title="File:Archer.png" />
      <page pageid="1145" ns="6" title="File:ArcherClimb.png" />
      <page pageid="2700" ns="6" title="File:ArcherShop.png" />
      <page pageid="2677" ns="6" title="File:Archer Idle.png" />
      <page pageid="1347" ns="6" title="File:Archer Jump.png" />
    </pages>
  </query>
</api>