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="20160129234921" timestamp="2016-01-29T23:49:21Z" ns="0" title="Stramongate" />
        <page value="20160130001000" timestamp="2016-01-30T00:10:00Z" ns="0" title="Getting Started" />
        <page value="20160214004954" timestamp="2016-02-14T00:49:54Z" ns="0" title="Kent Terrace" />
        <page value="20160309005519" timestamp="2016-03-09T00:55:19Z" ns="0" title="Main Page" />
        <page value="20160311022945" timestamp="2016-03-11T02:29:45Z" ns="0" title="Richard Stirzaker" />
        <page value="20160424213744" timestamp="2016-04-24T21:37:44Z" ns="0" title="11 Sandes Avenue" />
        <page value="20160923171422" timestamp="2016-09-23T17:14:22Z" ns="0" title="Distemper" />
        <page value="20160923205926" timestamp="2016-09-23T20:59:26Z" ns="0" title="Limewash" />
        <page value="20160928010243" timestamp="2016-09-28T01:02:43Z" ns="0" title="73 Stricklandgate" />
        <page value="20161015002412" timestamp="2016-10-15T00:24:12Z" ns="0" title="Recorder of Kendal" />
      </results>
    </querypage>
  </query>
</api>