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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="20171005231822" timestamp="2017-10-05T23:18:22Z" ns="0" title="Books" />
        <page value="20171007075036" timestamp="2017-10-07T07:50:36Z" ns="0" title="Analysis of Diana Hamilton&#039;s Dream" />
        <page value="20171009205644" timestamp="2017-10-09T20:56:44Z" ns="0" title="Horse e books" />
        <page value="20171009210030" timestamp="2017-10-09T21:00:30Z" ns="0" title="@Horse ebooks" />
        <page value="20171009235814" timestamp="2017-10-09T23:58:14Z" ns="0" title="01010100 01101000" />
        <page value="20171010015227" timestamp="2017-10-10T01:52:27Z" ns="0" title="Lazy" />
        <page value="20171010030042" timestamp="2017-10-10T03:00:42Z" ns="0" title="Digital technology" />
        <page value="20171010033244" timestamp="2017-10-10T03:32:44Z" ns="0" title="What even makes art, art?" />
        <page value="20171010050300" timestamp="2017-10-10T05:03:00Z" ns="0" title="Subjective" />
        <page value="20171010050500" timestamp="2017-10-10T05:05:00Z" ns="0" title="Different" />
      </results>
    </querypage>
  </query>
</api>