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="20160303115234" timestamp="2016-03-03T11:52:34Z" ns="0" title="KY-010 Lichtschranken-Modul" />
        <page value="20160303134137" timestamp="2016-03-03T13:41:37Z" ns="0" title="KY-017 Neigungsschalter Modul" />
        <page value="20160303134558" timestamp="2016-03-03T13:45:58Z" ns="0" title="KY-020 Neigungs-Schalter Modul" />
        <page value="20160303135002" timestamp="2016-03-03T13:50:02Z" ns="0" title="KY-021 Mini Magnet Reed Modul" />
        <page value="20160303140326" timestamp="2016-03-03T14:03:26Z" ns="0" title="KY-031 Klopf-Sensor Modul" />
        <page value="20160321101813" timestamp="2016-03-21T10:18:13Z" ns="0" title="KY-011 2-Farben - Rot+Grün- 5mm LED Modul" />
        <page value="20160321103854" timestamp="2016-03-21T10:38:54Z" ns="0" title="KY-009 RGB LED SMD Modul" />
        <page value="20160321111006" timestamp="2016-03-21T11:10:06Z" ns="0" title="KY-016 RGB 5mm LED Modul" />
        <page value="20160322142139" timestamp="2016-03-22T14:21:39Z" ns="0" title="KY-006 Passives Piezo-Buzzer Modul" />
        <page value="20160322152643" timestamp="2016-03-22T15:26:43Z" ns="0" title="KY-029 2-Farben - Rot+Grün - 3mm LED Modul" />
      </results>
    </querypage>
  </query>
</api>