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>
    <allimages aicontinue="20210930125127|John_stunner.jpg" />
  </query-continue>
  <query>
    <allimages>
      <img name="Spectator.jpg" timestamp="2022-08-05T11:43:45Z" user="AGGreSSor" url="https://speccy.info/w/images/8/8a/Spectator.jpg" descriptionurl="https://speccy.info/%D0%A4%D0%B0%D0%B9%D0%BB:Spectator.jpg" ns="6" title="Файл:Spectator.jpg" />
      <img name="Приглашение_на_Artcomp98,_оборот.jpg" timestamp="2021-10-10T15:12:53Z" user="Art-top" url="https://speccy.info/w/images/7/7d/%D0%9F%D1%80%D0%B8%D0%B3%D0%BB%D0%B0%D1%88%D0%B5%D0%BD%D0%B8%D0%B5_%D0%BD%D0%B0_Artcomp98%2C_%D0%BE%D0%B1%D0%BE%D1%80%D0%BE%D1%82.jpg" descriptionurl="https://speccy.info/%D0%A4%D0%B0%D0%B9%D0%BB:%D0%9F%D1%80%D0%B8%D0%B3%D0%BB%D0%B0%D1%88%D0%B5%D0%BD%D0%B8%D0%B5_%D0%BD%D0%B0_Artcomp98,_%D0%BE%D0%B1%D0%BE%D1%80%D0%BE%D1%82.jpg" ns="6" title="Файл:Приглашение на Artcomp98, оборот.jpg" />
      <img name="Приглашение_на_Artcomp98.jpg" timestamp="2021-10-10T15:11:41Z" user="Art-top" url="https://speccy.info/w/images/7/77/%D0%9F%D1%80%D0%B8%D0%B3%D0%BB%D0%B0%D1%88%D0%B5%D0%BD%D0%B8%D0%B5_%D0%BD%D0%B0_Artcomp98.jpg" descriptionurl="https://speccy.info/%D0%A4%D0%B0%D0%B9%D0%BB:%D0%9F%D1%80%D0%B8%D0%B3%D0%BB%D0%B0%D1%88%D0%B5%D0%BD%D0%B8%D0%B5_%D0%BD%D0%B0_Artcomp98.jpg" ns="6" title="Файл:Приглашение на Artcomp98.jpg" />
      <img name="MagicStripes_game.png" timestamp="2021-09-30T13:55:21Z" user="AGGreSSor" url="https://speccy.info/w/images/0/0d/MagicStripes_game.png" descriptionurl="https://speccy.info/%D0%A4%D0%B0%D0%B9%D0%BB:MagicStripes_game.png" ns="6" title="Файл:MagicStripes game.png" />
      <img name="MagicStripes_menu2.png" timestamp="2021-09-30T13:54:41Z" user="AGGreSSor" url="https://speccy.info/w/images/1/15/MagicStripes_menu2.png" descriptionurl="https://speccy.info/%D0%A4%D0%B0%D0%B9%D0%BB:MagicStripes_menu2.png" ns="6" title="Файл:MagicStripes menu2.png" />
      <img name="MagicStripes_menu.png" timestamp="2021-09-30T13:54:01Z" user="AGGreSSor" url="https://speccy.info/w/images/f/f7/MagicStripes_menu.png" descriptionurl="https://speccy.info/%D0%A4%D0%B0%D0%B9%D0%BB:MagicStripes_menu.png" ns="6" title="Файл:MagicStripes menu.png" />
      <img name="MagicStripes_intro.png" timestamp="2021-09-30T13:52:50Z" user="AGGreSSor" url="https://speccy.info/w/images/0/00/MagicStripes_intro.png" descriptionurl="https://speccy.info/%D0%A4%D0%B0%D0%B9%D0%BB:MagicStripes_intro.png" ns="6" title="Файл:MagicStripes intro.png" />
      <img name="ATL_own.jpg" timestamp="2021-09-30T13:00:12Z" user="AGGreSSor" url="https://speccy.info/w/images/8/8c/ATL_own.jpg" descriptionurl="https://speccy.info/%D0%A4%D0%B0%D0%B9%D0%BB:ATL_own.jpg" ns="6" title="Файл:ATL own.jpg" />
      <img name="Cris_own.jpg" timestamp="2021-09-30T12:58:14Z" user="AGGreSSor" url="https://speccy.info/w/images/d/df/Cris_own.jpg" descriptionurl="https://speccy.info/%D0%A4%D0%B0%D0%B9%D0%BB:Cris_own.jpg" ns="6" title="Файл:Cris own.jpg" />
      <img name="Cris.jpg" timestamp="2021-09-30T12:55:57Z" user="AGGreSSor" url="https://speccy.info/w/images/b/b1/Cris.jpg" descriptionurl="https://speccy.info/%D0%A4%D0%B0%D0%B9%D0%BB:Cris.jpg" ns="6" title="Файл:Cris.jpg" />
    </allimages>
  </query>
</api>