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>
    <allredirects garcontinue="Blitz_nations:_USA|94424" />
  </query-continue>
  <query>
    <pages>
      <page pageid="91851" ns="0" title="View Range &amp; Camouflage (WoT)" />
      <page pageid="91852" ns="0" title="Gunnery &amp; Armor Penetration (WoT)" />
      <page pageid="94423" ns="0" title="Germany (Blitz)" />
      <page pageid="94425" ns="0" title="UK (Blitz)" />
      <page pageid="97481" ns="0" title="Blitz nations china" />
      <page pageid="97482" ns="0" title="Blitz nations france" />
      <page pageid="97483" ns="0" title="Blitz nations germany" />
      <page pageid="97484" ns="0" title="Blitz nations japan" />
      <page pageid="97485" ns="0" title="Blitz nations uk" />
      <page pageid="115355" ns="0" title="Bernard" />
    </pages>
  </query>
</api>