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>
    <pages>
      <page ns="0" title="Konveksi bikin baju tangerang" missing="" />
      <page ns="0" title="NOTE" missing="" />
      <page ns="0" title="Online" missing="" />
      <page ns="0" title="Pakar Seo Sigit Hermawan" missing="" />
      <page ns="0" title="Sigit Hermawan" missing="" />
      <page ns="0" title="Tempat Bikin Seragam Kantor Di Sumatera" missing="" />
      <page pageid="7216" ns="0" title="Notice of interior designer apartment" />
      <page pageid="56554" ns="0" title="Tempat Bikin Seragam Kantor Di Sulawesi" />
    </pages>
  </query>
</api>