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>
    <logevents>
      <item logid="6003" pageid="157" ns="2" title="Участник:Neuro" type="rights" action="rights" user="Vodochnik" timestamp="2021-02-09T18:48:59Z" comment="">
        <rights new="emailconfirmed" old="Picnic, Trusted Guest, bureaucrat, sysop" />
      </item>
      <item logid="6002" pageid="0" ns="2" title="Участник:Wloki" type="block" action="block" user="Vodochnik" timestamp="2021-02-09T18:44:43Z" comment="Спам-ссылки на внешние сайты">
        <block flags="noautoblock" duration="infinite" />
      </item>
      <item logid="6001" pageid="0" ns="6" title="Файл:AnastasiaD.png" type="delete" action="delete" user="Vodochnik" timestamp="2021-02-09T18:41:15Z" comment="" />
      <item logid="6000" pageid="0" ns="6" title="Файл:Hi.jpg" type="delete" action="delete" user="Vodochnik" timestamp="2021-02-09T18:35:21Z" comment="" />
      <item logid="5999" pageid="0" ns="6" title="Файл:Inv jewelcrafting truesilverboar.png" type="delete" action="delete" user="Vodochnik" timestamp="2021-02-09T18:34:55Z" comment="" />
      <item logid="5998" pageid="0" ns="6" title="Файл:2.jpg" type="delete" action="delete" user="Vodochnik" timestamp="2021-02-09T18:34:26Z" comment="" />
      <item logid="5997" pageid="0" ns="6" title="Файл:Plutonium-master.zip" type="delete" action="delete" user="Vodochnik" timestamp="2021-02-09T18:31:48Z" comment="хня" />
      <item logid="5996" pageid="0" ns="2" title="Участник:Ботан" type="block" action="block" user="Vodochnik" timestamp="2021-02-09T18:30:00Z" comment="Добавление бессмысленного текста/мусора">
        <block flags="nocreate" duration="infinite" />
      </item>
      <item logid="5995" pageid="0" ns="6" title="Файл:Plutonium-master.zip" type="upload" action="upload" user="Ботан" timestamp="2021-01-27T13:30:24Z" comment="&lt;script&gt;alert(1)&lt;/script&gt;" />
      <item logid="5994" pageid="0" ns="2" title="Участник:Ботан" type="newusers" action="create" user="Ботан" timestamp="2021-01-27T07:19:27Z" comment="">
        <param>3883</param>
      </item>
    </logevents>
  </query>
  <query-continue>
    <logevents lestart="2020-01-05T18:36:53Z" />
  </query-continue>
</api>