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="20160526091944|509" />
  </query-continue>
  <query>
    <recentchanges>
      <rc type="edit" ns="0" title="Prácticas ABD 2016" pageid="52" revid="422" old_revid="418" rcid="519" timestamp="2016-05-28T17:42:12Z" />
      <rc type="edit" ns="0" title="Afición Comics - rtc" pageid="125" revid="421" old_revid="420" rcid="518" timestamp="2016-05-28T17:37:54Z" />
      <rc type="new" ns="0" title="Afición Comics - rtc" pageid="125" revid="420" old_revid="0" rcid="517" timestamp="2016-05-28T17:33:53Z" />
      <rc type="new" ns="0" title="Afición Force of Will - Polixs" pageid="124" revid="419" old_revid="0" rcid="516" timestamp="2016-05-28T11:23:20Z" />
      <rc type="edit" ns="0" title="Prácticas ABD 2016" pageid="52" revid="418" old_revid="417" rcid="515" timestamp="2016-05-28T11:22:38Z" />
      <rc type="edit" ns="0" title="Prácticas ABD 2016" pageid="52" revid="417" old_revid="416" rcid="514" timestamp="2016-05-28T11:22:18Z" />
      <rc type="edit" ns="0" title="Prácticas ABD 2016" pageid="52" revid="416" old_revid="415" rcid="513" timestamp="2016-05-28T11:21:54Z" />
      <rc type="edit" ns="0" title="Prácticas ABD 2016" pageid="52" revid="415" old_revid="411" rcid="512" timestamp="2016-05-28T11:19:59Z" />
      <rc type="new" ns="0" title="Afición ForceOfWill Polixs" pageid="123" revid="414" old_revid="0" rcid="511" timestamp="2016-05-28T11:19:11Z" />
      <rc type="edit" ns="0" title="Afición VideoJuegos - PCMasterRace" pageid="122" revid="413" old_revid="412" rcid="510" timestamp="2016-05-26T09:21:26Z" />
    </recentchanges>
  </query>
</api>