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="20140728033911" timestamp="2014-07-28T03:39:11Z" ns="0" title="Download" />
        <page value="20141002141901" timestamp="2014-10-02T14:19:01Z" ns="0" title="Android AdMM" />
        <page value="20141002144541" timestamp="2014-10-02T14:45:41Z" ns="0" title="Web SDK" />
        <page value="20141009050704" timestamp="2014-10-09T05:07:04Z" ns="0" title="IOS AddSDK" />
        <page value="20141009060725" timestamp="2014-10-09T06:07:25Z" ns="0" title="IOS SDK Getting Start" />
        <page value="20141014040209" timestamp="2014-10-14T04:02:09Z" ns="0" title="IOS Video" />
        <page value="20150506091700" timestamp="2015-05-06T09:17:00Z" ns="0" title="IOS Promotion" />
        <page value="20150605033929" timestamp="2015-06-05T03:39:29Z" ns="0" title="Estimate income" />
        <page value="20150706092639" timestamp="2015-07-06T09:26:39Z" ns="0" title="Android Video" />
        <page value="20150716101032" timestamp="2015-07-16T10:10:32Z" ns="0" title="IOS Interstitial" />
      </results>
    </querypage>
  </query>
</api>