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HTML is good for debugging, but is unsuitable for application use.
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To see the non HTML representation of the XML format, set format=xml.
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<?xml version="1.0"?>
<api>
  <query-continue>
    <pageswithprop gpwpcontinue="377" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1" ns="0" title="Main Page" contentmodel="wikitext" pagelanguage="en" touched="2020-07-20T20:12:09Z" lastrevid="5162" counter="3685827" length="3373" />
      <page pageid="10" ns="0" title="JReviews Pre-install requirements" contentmodel="wikitext" pagelanguage="en" touched="2020-03-21T14:07:41Z" lastrevid="5122" counter="227609" length="2455" />
      <page pageid="26" ns="0" title="JReviews:Tips &amp; Tricks" contentmodel="wikitext" pagelanguage="en" touched="2020-01-11T15:59:32Z" lastrevid="5093" counter="186638" length="3254" />
      <page pageid="32" ns="0" title="JReviews Everywhere Add-on" contentmodel="wikitext" pagelanguage="en" touched="2020-08-07T00:36:43Z" lastrevid="5194" counter="79058" length="1329" />
      <page pageid="33" ns="0" title="JReviews:Theme Customization" contentmodel="wikitext" pagelanguage="en" touched="2020-07-08T23:46:10Z" lastrevid="5146" counter="155629" length="1497" />
      <page pageid="131" ns="0" title="Everywhere Add-on Downloads" contentmodel="wikitext" pagelanguage="en" touched="2020-08-07T00:38:14Z" lastrevid="5197" counter="60019" length="432" />
      <page pageid="183" ns="0" title="JReviews:License FAQ" contentmodel="wikitext" pagelanguage="en" touched="2018-11-14T19:49:15Z" lastrevid="4745" counter="26820" length="446" />
      <page pageid="290" ns="0" title="JReviews GeoMaps Add-on" contentmodel="wikitext" pagelanguage="en" touched="2016-08-05T11:17:04Z" lastrevid="4169" counter="119859" length="3096" />
      <page pageid="292" ns="0" title="JReviews:Video Tutorials" contentmodel="wikitext" pagelanguage="en" touched="2020-08-17T22:51:46Z" lastrevid="5199" counter="227019" length="4130" />
      <page pageid="316" ns="0" title="JReviews PaidListings Add-on" contentmodel="wikitext" pagelanguage="en" touched="2020-07-31T19:48:44Z" lastrevid="5176" counter="103960" length="1956" />
    </pages>
  </query>
</api>