You are looking at the HTML representation of the XML format.
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="20140308182603" timestamp="2014-03-08T18:26:03Z" ns="0" title="Malwarebytes Anti-Malware Free" />
        <page value="20140310190519" timestamp="2014-03-10T19:05:19Z" ns="0" title="OpenOffice" />
        <page value="20140320143033" timestamp="2014-03-20T14:30:33Z" ns="0" title="TP-LINK. Устройство не запрашивает логин и пароль" />
        <page value="20140321130840" timestamp="2014-03-21T13:08:40Z" ns="0" title="Как узнать имя хоста по IP-адресу" />
        <page value="20140321134902" timestamp="2014-03-21T13:49:02Z" ns="0" title="CDBurnerXP" />
        <page value="20140401094220" timestamp="2014-04-01T09:42:20Z" ns="0" title="PDFCreator" />
        <page value="20140402073900" timestamp="2014-04-02T07:39:00Z" ns="0" title="ViPNet Password Generator" />
        <page value="20140411134417" timestamp="2014-04-11T13:44:17Z" ns="0" title="Заглавная страница" />
        <page value="20140411140955" timestamp="2014-04-11T14:09:55Z" ns="0" title="Стандарт VESA" />
        <page value="20140512122657" timestamp="2014-05-12T12:26:57Z" ns="0" title="Интернет Цензор" />
      </results>
    </querypage>
  </query>
</api>