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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="20180405143724" timestamp="2018-04-05T14:37:24Z" ns="0" title="Wikiducca:新規ページの作成" />
        <page value="20181205081236" timestamp="2018-12-05T08:12:36Z" ns="0" title="［ALEXANDROS］" />
        <page value="20190105114323" timestamp="2019-01-05T11:43:23Z" ns="0" title="花サフラン" />
        <page value="20190105120622" timestamp="2019-01-05T12:06:22Z" ns="0" title="Base Ball Bear" />
        <page value="20190105121021" timestamp="2019-01-05T12:10:21Z" ns="0" title="雑煮" />
        <page value="20190105123104" timestamp="2019-01-05T12:31:04Z" ns="0" title="CentOS6へのGitBucketインストール" />
        <page value="20190105123216" timestamp="2019-01-05T12:32:16Z" ns="0" title="R&amp;B" />
        <page value="20190105123400" timestamp="2019-01-05T12:34:00Z" ns="0" title="松任谷由実" />
        <page value="20190105123552" timestamp="2019-01-05T12:35:52Z" ns="0" title="Billboard JAPAN" />
        <page value="20190105123859" timestamp="2019-01-05T12:38:59Z" ns="0" title="日本のロック" />
      </results>
    </querypage>
  </query>
</api>