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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="20170307104410" timestamp="2017-03-07T10:44:10Z" ns="0" title="VirtualHost reverse proxy" />
        <page value="20170308085532" timestamp="2017-03-08T08:55:32Z" ns="0" title="Change apache umask for modified files" />
        <page value="20170308094506" timestamp="2017-03-08T09:45:06Z" ns="0" title="Wordpress obvious workaround" />
        <page value="20170313151403" timestamp="2017-03-13T15:14:03Z" ns="0" title="Squid proxy" />
        <page value="20170421112110" timestamp="2017-04-21T11:21:10Z" ns="0" title="Mongodb" />
        <page value="20170426113009" timestamp="2017-04-26T11:30:09Z" ns="0" title="Windows putty ssh tunnel" />
        <page value="20170426114035" timestamp="2017-04-26T11:40:35Z" ns="0" title="Linux proxy variables" />
        <page value="20170531101908" timestamp="2017-05-31T10:19:08Z" ns="0" title="Fail2ban unban ip" />
        <page value="20170531103416" timestamp="2017-05-31T10:34:16Z" ns="0" title="Pysnmp otheroids" />
        <page value="20171122132553" timestamp="2017-11-22T13:25:53Z" ns="0" title="Add this to Your vimrc" />
      </results>
    </querypage>
  </query>
</api>