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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="20101016141200" timestamp="2010-10-16T14:12:00Z" ns="0" title="¿Cómo colocar safari en 1280x720?" />
        <page value="20101117001319" timestamp="2010-11-17T00:13:19Z" ns="0" title="Envío rápido de mensajes de texto" />
        <page value="20101228223700" timestamp="2010-12-28T22:37:00Z" ns="0" title="Hashtags" />
        <page value="20110207011725" timestamp="2011-02-07T01:17:25Z" ns="0" title="Sandbox" />
        <page value="20110217000945" timestamp="2011-02-17T00:09:45Z" ns="0" title="Administrador" />
        <page value="20110217134301" timestamp="2011-02-17T13:43:01Z" ns="0" title="¿Dónde está esta funcionalidad?" />
        <page value="20110217134357" timestamp="2011-02-17T13:43:57Z" ns="0" title="Sidebar" />
        <page value="20110223205400" timestamp="2011-02-23T20:54:00Z" ns="0" title="Diagrama de lunas" />
        <page value="20110324172651" timestamp="2011-03-24T17:26:51Z" ns="0" title="Excelentes notas en NiMbox" />
        <page value="20110324184311" timestamp="2011-03-24T18:43:11Z" ns="0" title="Análisis de comportamiento de pago" />
      </results>
    </querypage>
  </query>
</api>