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>
    <querypage qpoffset="10" />
  </query-continue>
  <query>
    <querypage name="Ancientpages">
      <results>
        <page value="20080210212605" timestamp="2008-02-10T21:26:05Z" ns="0" title="Forum:Seja bem vindo!" />
        <page value="20090507124804" timestamp="2009-05-07T12:48:04Z" ns="0" title="Forum:Forum" />
        <page value="20120111221927" timestamp="2012-01-11T22:19:27Z" ns="0" title="Daisuke Miles" />
        <page value="20130302070912" timestamp="2013-03-02T07:09:12Z" ns="0" title="Chinchilla" />
        <page value="20130416104101" timestamp="2013-04-16T10:41:01Z" ns="0" title="New Year&#039;s Furry Ball" />
        <page value="20141120213243" timestamp="2014-11-20T21:32:43Z" ns="0" title="Furry World" />
        <page value="20150314121906" timestamp="2015-03-14T12:19:06Z" ns="0" title="FurUai" />
        <page value="20170509130945" timestamp="2017-05-09T13:09:45Z" ns="0" title="Patas do Cerrado" />
        <page value="20170516201920" timestamp="2017-05-16T20:19:20Z" ns="0" title="ShezzyArt" />
        <page value="20170815145046" timestamp="2017-08-15T14:50:46Z" ns="0" title="Bianca RoughFin" />
      </results>
    </querypage>
  </query>
</api>