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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.
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<?xml version="1.0"?>
<api>
  <query-continue>
    <querypage qpoffset="10" />
  </query-continue>
  <query>
    <querypage name="Ancientpages">
      <results>
        <page value="20170826090834" timestamp="2017-08-26T09:08:34Z" ns="0" title="Reductionism (music)" />
        <page value="20170830184157" timestamp="2017-08-30T18:41:57Z" ns="0" title="Elements of music" />
        <page value="20170830184458" timestamp="2017-08-30T18:44:58Z" ns="0" title="Parameters" />
        <page value="20170830185625" timestamp="2017-08-30T18:56:25Z" ns="0" title="Mopomoso" />
        <page value="20170918175225" timestamp="2017-09-18T17:52:25Z" ns="0" title="Toshimaru Nakamura" />
        <page value="20170921085904" timestamp="2017-09-21T08:59:04Z" ns="0" title="Cafe Oto ( Venues: UK, London )" />
        <page value="20170921104141" timestamp="2017-09-21T10:41:41Z" ns="0" title="Emanem Records (Record label)" />
        <page value="20170921130748" timestamp="2017-09-21T13:07:48Z" ns="0" title="MAC Music Room 1 (Venues : UK : Birmingham)" />
        <page value="20170921232038" timestamp="2017-09-21T23:20:38Z" ns="0" title="John Russell (Musician)" />
        <page value="20171021063735" timestamp="2017-10-21T06:37:35Z" ns="0" title="The Gregson Community &amp; Arts Centre (Venues UK NW England)" />
      </results>
    </querypage>
  </query>
</api>