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>
    <logevents lecontinue="20150820020333|6673" />
  </query-continue>
  <query>
    <logevents>
      <item logid="6683" ns="2" title="Utilisateur:Maxence.Frenette" pageid="0" logpage="0" userid="4384" type="newusers" action="create" user="Maxence.Frenette" timestamp="2017-05-06T03:01:23Z" comment="" />
      <item logid="6682" ns="2" title="Utilisateur:Maruil8" pageid="0" logpage="0" userid="4383" type="newusers" action="create" user="Maruil8" timestamp="2016-01-11T14:13:43Z" comment="" />
      <item logid="6681" ns="2" title="Utilisateur:Vpinterne" pageid="0" logpage="0" userid="4382" type="newusers" action="create" user="Vpinterne" timestamp="2015-11-06T01:30:38Z" comment="" />
      <item logid="6680" ns="2" title="Utilisateur:Wertytrencg" pageid="0" logpage="0" userid="4381" type="newusers" action="create" user="Wertytrencg" timestamp="2015-09-09T09:07:44Z" comment="" />
      <item logid="6679" ns="0" title="Bienvenue" pageid="3" logpage="3" type="patrol" action="patrol" user="Admin" timestamp="2015-08-20T02:06:09Z" comment="">
        <patrol cur="2357" prev="2356" auto="1" />
      </item>
      <item logid="6678" ns="0" title="Significance of Choosing the Finest Internet Security Software" pageid="0" logpage="1459" type="delete" action="delete" user="Admin" timestamp="2015-08-20T02:04:41Z" comment="Suppression de masse de pages récemment ajoutées" />
      <item logid="6677" ns="0" title="Paid Or Free Web Safety Software Program - The Debate Continues" pageid="0" logpage="1458" type="delete" action="delete" user="Admin" timestamp="2015-08-20T02:04:08Z" comment="Suppression de masse de pages récemment ajoutées" />
      <item logid="6676" ns="0" title="Use Web Safety Firewalls to Shield Your Computer" pageid="0" logpage="1460" type="delete" action="delete" user="Admin" timestamp="2015-08-20T02:04:08Z" comment="Suppression de masse de pages récemment ajoutées" />
      <item logid="6675" ns="0" title="Paid Or Free Web Security Software - The Debate Continues" pageid="0" logpage="1461" type="delete" action="delete" user="Admin" timestamp="2015-08-20T02:04:08Z" comment="Suppression de masse de pages récemment ajoutées" />
      <item logid="6674" ns="2" title="Utilisateur:BryanG" pageid="0" logpage="0" userid="4380" type="newusers" action="create" user="BryanG" timestamp="2015-08-20T02:03:41Z" comment="" />
    </logevents>
  </query>
</api>