disable browser back button after logout

 

<h:head>
	<title>
	      <ui:insert name="title">Title</ui:insert>
	</title>
	<meta http-equiv="CACHE-CONTROL" content="NO-CACHE"/>
	<meta http-equiv="PRAGMA" content="NO-CACHE"/>
	<meta http-equiv="expires" content="0" />
	<meta name="ROBOTS" content="NONE"/> 
	<meta name="GOOGLEBOT" content="NOARCHIVE"/>
	<script>history.forward();</script>
</h:head>