You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <recentchanges>
      <rc type="edit" ns="0" title="Грязевой вулкан" rcid="84171" pageid="16432" revid="81668" old_revid="78676" timestamp="2025-06-12T09:43:57Z" />
      <rc type="log" ns="6" title="Файл:20250529 145504.jpg" rcid="84170" pageid="0" revid="0" old_revid="0" timestamp="2025-06-12T09:42:12Z" />
      <rc type="edit" ns="0" title="Гейзер" rcid="84169" pageid="2090" revid="81666" old_revid="81665" timestamp="2025-06-12T09:40:01Z" />
      <rc type="edit" ns="0" title="Гейзер" rcid="84168" pageid="2090" revid="81665" old_revid="79232" timestamp="2025-06-12T09:39:38Z" />
      <rc type="log" ns="6" title="Файл:20250529 171519.jpg" rcid="84167" pageid="0" revid="0" old_revid="0" timestamp="2025-06-12T09:38:29Z" />
      <rc type="new" ns="15" title="Обсуждение категории:Кольцевые силикаты" rcid="84166" pageid="19624" revid="81663" old_revid="0" timestamp="2025-06-07T21:15:19Z" />
      <rc type="new" ns="1" title="Обсуждение:Сланец" rcid="84165" pageid="19623" revid="81662" old_revid="0" timestamp="2025-06-06T04:00:58Z" />
      <rc type="new" ns="1" title="Обсуждение:Карелия" rcid="84164" pageid="19622" revid="81661" old_revid="0" timestamp="2025-06-05T04:41:06Z" />
      <rc type="new" ns="1" title="Обсуждение:Тырныауз" rcid="84163" pageid="19621" revid="81660" old_revid="0" timestamp="2025-06-03T11:07:25Z" />
      <rc type="new" ns="1" title="Обсуждение:Слюдянка" rcid="84162" pageid="19620" revid="81659" old_revid="0" timestamp="2025-06-03T02:57:06Z" />
    </recentchanges>
  </query>
  <query-continue>
    <recentchanges rcstart="2025-04-13T20:43:04Z" />
  </query-continue>
</api>