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="20140107083532" timestamp="2014-01-07T08:35:32Z" ns="0" title="Test Page" />
        <page value="20140107211127" timestamp="2014-01-07T21:11:27Z" ns="0" title="Promotion" />
        <page value="20140112184535" timestamp="2014-01-12T18:45:35Z" ns="0" title="Measurements" />
        <page value="20140118161758" timestamp="2014-01-18T16:17:58Z" ns="0" title="Secret smartphone codes to display cell-id data" />
        <page value="20140123175328" timestamp="2014-01-23T17:53:28Z" ns="0" title="Blocked applications" />
        <page value="20140126113011" timestamp="2014-01-26T11:30:11Z" ns="0" title="Future OpenCellID database content" />
        <page value="20140127175240" timestamp="2014-01-27T17:52:40Z" ns="0" title="Promo email cell data app developer" />
        <page value="20140130223632" timestamp="2014-01-30T22:36:32Z" ns="0" title="Cell-id related web services" />
        <page value="20140130224314" timestamp="2014-01-30T22:43:14Z" ns="0" title="Community servers" />
        <page value="20140323183923" timestamp="2014-03-23T18:39:23Z" ns="0" title="Collaboration with other projects" />
      </results>
    </querypage>
  </query>
</api>