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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="20150330080742" timestamp="2015-03-30T08:07:42Z" ns="0" title="Stadtkirche Wermelskirchen" />
        <page value="20150429140028" timestamp="2015-04-29T14:00:28Z" ns="0" title="Löwenparade - Adler Modemärkte AG" />
        <page value="20150429140220" timestamp="2015-04-29T14:02:20Z" ns="0" title="Löwenparade - Albert-Einstein-Gesamtschule" />
        <page value="20150429140658" timestamp="2015-04-29T14:06:58Z" ns="0" title="Löwenparade - Meister Alders" />
        <page value="20150429140857" timestamp="2015-04-29T14:08:57Z" ns="0" title="Löwenparade - Alexanderwerk" />
        <page value="20150429141515" timestamp="2015-04-29T14:15:15Z" ns="0" title="Löwenparade - Allee-Center" />
        <page value="20150429142340" timestamp="2015-04-29T14:23:40Z" ns="0" title="Löwenparade - Bergischer Verlag" />
        <page value="20150429142521" timestamp="2015-04-29T14:25:21Z" ns="0" title="Löwenparade - Die Gelbe Villa" />
        <page value="20150429142637" timestamp="2015-04-29T14:26:37Z" ns="0" title="Löwenparade - EWR und SR" />
        <page value="20150429142953" timestamp="2015-04-29T14:29:53Z" ns="0" title="Löwenparade - Haas Rechtsanwaltskanzlei" />
      </results>
    </querypage>
  </query>
</api>