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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="20150111045117" timestamp="2015-01-11T04:51:17Z" ns="0" title="カズキタカノ" />
        <page value="20150111050733" timestamp="2015-01-11T05:07:33Z" ns="0" title="海綿寶寶" />
        <page value="20150111050911" timestamp="2015-01-11T05:09:11Z" ns="0" title="アグレッ死ブ" />
        <page value="20150111052523" timestamp="2015-01-11T05:25:23Z" ns="0" title="立看！猫缶！僕青姦！" />
        <page value="20150111082011" timestamp="2015-01-11T08:20:11Z" ns="0" title="グッドラック！" />
        <page value="20150111083509" timestamp="2015-01-11T08:35:09Z" ns="0" title="栗毛コンパ(クリパ)" />
        <page value="20150111084355" timestamp="2015-01-11T08:43:55Z" ns="0" title="プルジャカ" />
        <page value="20150111085746" timestamp="2015-01-11T08:57:46Z" ns="0" title="ドラえもん(親子)" />
        <page value="20150111092122" timestamp="2015-01-11T09:21:22Z" ns="0" title="おっさん、やってるかい？" />
        <page value="20150111092219" timestamp="2015-01-11T09:22:19Z" ns="0" title="栗毛弁当" />
      </results>
    </querypage>
  </query>
</api>