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 pageid="3017" ns="0" title="Satellite Racing" contentmodel="wikitext" pagelanguage="en-gb" touched="2018-12-09T16:48:43Z" lastrevid="29698" counter="" length="470" />
      <page pageid="4941" ns="0" title="Apex Motorsport with Precision FX" contentmodel="wikitext" pagelanguage="en-gb" touched="2018-12-09T16:48:43Z" lastrevid="29706" counter="" length="113" />
      <page pageid="4975" ns="0" title="GPVWC Academy" contentmodel="wikitext" pagelanguage="en-gb" touched="2018-12-09T16:48:43Z" lastrevid="29708" counter="" length="509" />
      <page pageid="5085" ns="0" title="Flag-to-Flag SimRacing" contentmodel="wikitext" pagelanguage="en-gb" touched="2018-12-09T16:48:43Z" lastrevid="29653" counter="" length="260" new="" />
      <page pageid="5086" ns="0" title="EVAL Simracing Team" contentmodel="wikitext" pagelanguage="en-gb" touched="2018-12-09T16:48:43Z" lastrevid="29656" counter="" length="361" />
      <page pageid="5097" ns="0" title="Adrian Campfield" contentmodel="wikitext" pagelanguage="en-gb" touched="2018-12-09T16:52:34Z" lastrevid="29716" counter="" length="239" new="" />
      <page pageid="5098" ns="0" title="Borja Millán" contentmodel="wikitext" pagelanguage="en-gb" touched="2018-12-09T17:14:33Z" lastrevid="29725" counter="" length="708" />
      <page pageid="5099" ns="0" title="Yuri Kasdorp" contentmodel="wikitext" pagelanguage="en-gb" touched="2018-12-09T17:15:17Z" lastrevid="29724" counter="" length="811" />
      <page pageid="5101" ns="0" title="Matthew Marquard" contentmodel="wikitext" pagelanguage="en-gb" touched="2019-02-14T09:27:55Z" lastrevid="30196" counter="" length="735" />
    </pages>
  </query>
</api>