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>
    <alllinks alcontinue="Crucial_MX100_SSD" />
  </query-continue>
  <query>
    <alllinks>
      <l ns="0" title="BDやDVDなどの光学ドライブのトレイが自力でイジェクトできない" />
      <l ns="0" title="BtvStack.exe" />
      <l ns="0" title="CPU" />
      <l ns="0" title="CPUのパイプラインやスーパースカラとは" />
      <l ns="0" title="Cannonlake" />
      <l ns="0" title="Canon レーザーポインター PR10-GC タイマーとワイヤレスPPT操作機能付" />
      <l ns="0" title="Coffee Lake" />
      <l ns="0" title="Crucial BX100 SSD" />
      <l ns="0" title="Crucial BX200 SSD 240GB CT240BX200SSD1" />
      <l ns="0" title="Crucial BX200 SSD 480GB CT480BX200SSD1" />
    </alllinks>
  </query>
</api>