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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.
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<?xml version="1.0"?>
<api>
  <query-continue>
    <querypage qpoffset="10" />
  </query-continue>
  <query>
    <querypage name="Ancientpages">
      <results>
        <page value="20110810155707" timestamp="2011-08-10T15:57:07Z" ns="0" title="Main Page" />
        <page value="20160109233417" timestamp="2016-01-09T23:34:17Z" ns="0" title="Субвекторный виртуальный знак" />
        <page value="20160110133747" timestamp="2016-01-10T13:37:47Z" ns="0" title="Анкета знакомств: Aragorn" />
        <page value="20160131152719" timestamp="2016-01-31T15:27:19Z" ns="0" title="Виртуальные знаки" />
        <page value="20160206214051" timestamp="2016-02-06T21:40:51Z" ns="0" title="Сочетания знаков" />
        <page value="20160208190636" timestamp="2016-02-08T19:06:36Z" ns="0" title="Векторное кольцо" />
        <page value="20160213154240" timestamp="2016-02-13T15:42:40Z" ns="0" title="Правила использования сайта vektor.link" />
        <page value="20160213182317" timestamp="2016-02-13T18:23:17Z" ns="0" title="Крыса-Овен" />
        <page value="20160308010046" timestamp="2016-03-08T01:00:46Z" ns="0" title="Прогноз (расчетный векторный статус) на март 2016 года" />
        <page value="20160427194217" timestamp="2016-04-27T19:42:17Z" ns="0" title="Россия и Запад. Этапы развития" />
      </results>
    </querypage>
  </query>
</api>