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>
    <querypage name="Ancientpages">
      <results>
        <page value="20150304215427" timestamp="2015-03-04T21:54:27Z" ns="0" title="Calendar" />
        <page value="20150305201159" timestamp="2015-03-05T20:11:59Z" ns="0" title="SPARC-St. Paul United Methodist Church Amateur Radio Club" />
        <page value="20160109204257" timestamp="2016-01-09T20:42:57Z" ns="0" title="Project Page" />
        <page value="20160121185120" timestamp="2016-01-21T18:51:20Z" ns="0" title="Ham Radio Stuff" />
        <page value="20160218183925" timestamp="2016-02-18T18:39:25Z" ns="0" title="DMR Digital Radio Information" />
        <page value="20170515211028" timestamp="2017-05-15T21:10:28Z" ns="0" title="Main Page" />
        <page value="20180424182613" timestamp="2018-04-24T18:26:13Z" ns="0" title="Dallas Hamvention Trip Information" />
      </results>
    </querypage>
  </query>
</api>