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>
    <blocks bkcontinue="20140930094305|463" />
  </query-continue>
  <query>
    <blocks>
      <block id="483" user="%login%" by="Lmorillas" timestamp="2019-01-09T09:52:11Z" expiry="infinity" reason="" nocreate="" autoblock="" />
      <block id="482" user="!!HELPS!! 1-855-221-4867 !! Canon Printer Tech Support Phone Number For Not Printing Black &amp; Color" by="Lmorillas" timestamp="2019-01-09T09:51:46Z" expiry="infinity" reason="" nocreate="" autoblock="" />
      <block id="481" user="!!HELPS!! 1-855-221-4867!! HP Printer Tech Support Phone Number For Not Printing Black and Color" by="Lmorillas" timestamp="2019-01-09T09:51:32Z" expiry="infinity" reason="" nocreate="" autoblock="" />
      <block id="480" user="!support!CANON printer 1!!844 247 1987 tech support phone number, CANON printer USA technical support phone number:" by="Lmorillas" timestamp="2019-01-09T09:51:13Z" expiry="infinity" reason="" nocreate="" autoblock="" />
      <block id="479" user="!support!CANON printer 1-855-221-4867 tech support phone number, CANON printer USA technical support phone number:" by="Lmorillas" timestamp="2019-01-09T09:50:44Z" expiry="infinity" reason="" nocreate="" autoblock="" />
      <block id="478" user="KathieDeen22382" by="JimTittsler" timestamp="2015-12-26T01:06:18Z" expiry="infinity" reason="Abuso de múltiples cuentas" nocreate="" autoblock="" />
      <block id="477" user="Tony Redondas" by="Lmorillas" timestamp="2015-08-10T09:01:28Z" expiry="infinity" reason="Suspected spam. Contact wikispam@wikieducator to discuss." nocreate="" autoblock="" />
      <block id="476" user="Hijo de chula" by="Lmorillas" timestamp="2015-01-21T07:48:51Z" expiry="infinity" reason="Suspected spam. Contact wikispam@wikieducator to discuss." autoblock="" />
      <block id="472" user="BerthaMcAdams" by="Lmorillas" timestamp="2014-11-27T17:38:05Z" expiry="infinity" reason="Suspected spam. Contact wikispam@wikieducator to discuss." nocreate="" autoblock="" />
      <block id="465" user="FernandSorenson" by="JimTittsler" timestamp="2014-09-30T09:43:06Z" expiry="infinity" reason="spamming links to external sites" nocreate="" autoblock="" />
    </blocks>
  </query>
</api>