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>
    <recentchanges rccontinue="20161008104718|54" />
  </query-continue>
  <query>
    <recentchanges>
      <rc type="new" ns="0" title="iPhoneのメモリを短時間で簡単にクリアする方法" pageid="24" revid="64" old_revid="0" rcid="64" timestamp="2017-10-29T11:51:28Z" />
      <rc type="edit" ns="0" title="メインページ" pageid="3" revid="63" old_revid="61" rcid="63" timestamp="2017-10-29T11:44:10Z" />
      <rc type="new" ns="0" title="Android Terminal Emulator" pageid="23" revid="62" old_revid="0" rcid="62" timestamp="2016-11-24T02:48:31Z" />
      <rc type="edit" ns="0" title="メインページ" pageid="3" revid="61" old_revid="59" rcid="61" timestamp="2016-11-24T02:36:58Z" />
      <rc type="new" ns="0" title="楽天モバイルの解約方法" pageid="22" revid="60" old_revid="0" rcid="60" timestamp="2016-11-10T13:38:20Z" />
      <rc type="edit" ns="0" title="メインページ" pageid="3" revid="59" old_revid="44" rcid="59" timestamp="2016-11-10T13:25:34Z" />
      <rc type="edit" ns="0" title="ASUS ZenFone 3" pageid="10" revid="58" old_revid="55" rcid="58" timestamp="2016-10-10T02:31:17Z" />
      <rc type="log" ns="0" title="ASUS ZenFone 3でポケモンGOがGPSが掴めない場合の解決法" pageid="21" revid="0" old_revid="0" rcid="57" timestamp="2016-10-10T02:31:02Z" />
      <rc type="new" ns="0" title="ASUS ZenFone 3でポケモンGOがGPSが掴めない場合の解決法" pageid="21" revid="56" old_revid="0" rcid="56" timestamp="2016-10-10T02:30:27Z" />
      <rc type="edit" ns="0" title="ASUS ZenFone 3" pageid="10" revid="55" old_revid="53" rcid="55" timestamp="2016-10-10T02:22:17Z" />
    </recentchanges>
  </query>
</api>