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>
    <pageswithprop gpwpcontinue="175" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1" ns="0" title="Main Page" contentmodel="wikitext" pagelanguage="en" touched="2014-11-23T22:39:38Z" lastrevid="3103" counter="" length="2035" />
      <page pageid="166" ns="0" title="How to remove FixPCNow.net Browser Virus" contentmodel="wikitext" pagelanguage="en" touched="2014-03-16T11:17:06Z" lastrevid="325" counter="" length="3071" new="" />
      <page pageid="167" ns="0" title="How to remove &quot;Ads by BlockAndSurf&quot; Browser Virus" contentmodel="wikitext" pagelanguage="en" touched="2014-03-17T16:31:09Z" lastrevid="328" counter="" length="3236" />
      <page pageid="168" ns="0" title="How to remove downloadlian.com Browser Virus" contentmodel="wikitext" pagelanguage="en" touched="2014-03-17T16:33:46Z" lastrevid="329" counter="" length="3185" new="" />
      <page pageid="169" ns="0" title="How to remove DownloadDino.com Browser Virus" contentmodel="wikitext" pagelanguage="en" touched="2014-03-17T16:34:59Z" lastrevid="330" counter="" length="3185" new="" />
      <page pageid="170" ns="0" title="How to remove DownloadChop.com Browser Virus" contentmodel="wikitext" pagelanguage="en" touched="2014-03-17T16:36:24Z" lastrevid="331" counter="" length="3185" new="" />
      <page pageid="171" ns="0" title="How to remove SafeWeb Browser Virus" contentmodel="wikitext" pagelanguage="en" touched="2014-03-17T17:31:32Z" lastrevid="333" counter="" length="3178" />
      <page pageid="172" ns="0" title="How to remove gnk.cipath.net Browser Virus" contentmodel="wikitext" pagelanguage="en" touched="2014-03-17T17:33:26Z" lastrevid="334" counter="" length="3168" new="" />
      <page pageid="173" ns="0" title="How to remove lpcloudbox302.com Browser Virus" contentmodel="wikitext" pagelanguage="en" touched="2014-03-17T17:36:07Z" lastrevid="335" counter="" length="3174" new="" />
      <page pageid="174" ns="0" title="How to remove PremiumVideoUpdates.com Browser Virus" contentmodel="wikitext" pagelanguage="en" touched="2014-03-17T17:46:40Z" lastrevid="336" counter="" length="3186" new="" />
    </pages>
  </query>
</api>