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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="2015-05-26 07:33:37+00" timestamp="2015-05-26T07:33:37Z" ns="0" title="Gambier/Cutch" />
        <page value="2016-05-10 19:45:46+00" timestamp="2016-05-10T19:45:46Z" ns="0" title="London" />
        <page value="2016-05-12 19:38:08+00" timestamp="2016-05-12T19:38:08Z" ns="0" title="Barrow, Hepburn and Gale" />
        <page value="2016-05-12 19:38:32+00" timestamp="2016-05-12T19:38:32Z" ns="0" title="Benjamin Winstone &amp; Sons" />
        <page value="2016-05-12 19:39:28+00" timestamp="2016-05-12T19:39:28Z" ns="0" title="Bevingtons and Sons Limited" />
        <page value="2016-05-12 19:42:53+00" timestamp="2016-05-12T19:42:53Z" ns="0" title="A. Jeffery Patent Marine Glue Works" />
        <page value="2016-05-12 19:43:21+00" timestamp="2016-05-12T19:43:21Z" ns="0" title="Alaska Factory" />
        <page value="2016-05-12 19:43:43+00" timestamp="2016-05-12T19:43:43Z" ns="0" title="British Gas Corporation" />
        <page value="2016-05-12 19:43:44+00" timestamp="2016-05-12T19:43:44Z" ns="0" title="Anchor Brewery" />
        <page value="2016-05-12 19:45:03+00" timestamp="2016-05-12T19:45:03Z" ns="0" title="British Tyre and Rubber Co" />
      </results>
    </querypage>
  </query>
</api>