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>
    <allpages apcontinue="Вход_в_личный_кабинет" />
  </query-continue>
  <query>
    <allpages>
      <p pageid="232" ns="0" title="D-Link DIR-300 (вервия C1E)" />
      <p pageid="181" ns="0" title="D-Link DIR-300 (версия C1E)" />
      <p pageid="116" ns="0" title="MAXnet CPE-W4n" />
      <p pageid="126" ns="0" title="MAXnet CPE-W4n настройка TV" />
      <p pageid="121" ns="0" title="MAXnet CPE-W4n обновление" />
      <p pageid="270" ns="0" title="SNR-CPE-W4N (rev.M)" />
      <p pageid="239" ns="0" title="Zyxel Keenetic Lite III (rev.B)" />
      <p pageid="99" ns="0" title="Zyxel Keenetic Start" />
      <p pageid="104" ns="0" title="Zyxel Keenetic Start часть2" />
      <p pageid="82" ns="0" title="Виды роутеров по отношению к TV" />
    </allpages>
  </query>
</api>