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>
    <querypage qpoffset="10" />
  </query-continue>
  <query>
    <querypage name="Ancientpages">
      <results>
        <page value="20150708034102" timestamp="2015-07-08T03:41:02Z" ns="0" title="班内名次" />
        <page value="20150708112553" timestamp="2015-07-08T11:25:53Z" ns="0" title="均分级差" />
        <page value="20150708114052" timestamp="2015-07-08T11:40:52Z" ns="0" title="临界名单" />
        <page value="20150709015218" timestamp="2015-07-09T01:52:18Z" ns="0" title="各科优良率" />
        <page value="20150709023025" timestamp="2015-07-09T02:30:25Z" ns="0" title="点阵图" />
        <page value="20150713091440" timestamp="2015-07-13T09:14:40Z" ns="0" title="自动对比上次考试" />
        <page value="20150918081426" timestamp="2015-09-18T08:14:26Z" ns="0" title="Open API" />
        <page value="20151230034014" timestamp="2015-12-30T03:40:14Z" ns="0" title="难度等级" />
        <page value="20160120013329" timestamp="2016-01-20T01:33:29Z" ns="0" title="Test" />
        <page value="20160324091249" timestamp="2016-03-24T09:12:49Z" ns="0" title="目标功能相关的设置" />
      </results>
    </querypage>
  </query>
</api>