Software developer can disable session state management using option “Off”. This can provide a slight performance improvement for websites that are not using session state:

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<?xml version=”1.0” encoding=”utf-8” ?>
     <!— other settings are omitted. —>
        cookieless=”AutoDetect” cookieName=”ASP.NET_SessionID”
        sqlConnectionString=”data source=;Integrated Security=SSPI”
        sqlCommandTimeout=”30” allowCustomSqlDatabase=”false”