What is the purpose of the VisitorIdentification control?
My Sitecore starterkit website contains the following control in the head of each layout. Can someone explain what it's purpose is and whether or not it's needed? I could not find any information on it on the Sitecore SDN... <sc:VisitorIdentification id="VisitorIdentification" runat="server" /> Control's output: <link href="/layouts/System/VisitorIdentification.aspx" rel="stylesheet" type="text/css" /> Contents of stylesheet: .sc_visitor { } See Analytics Configuration reference , paragraph 4.1.5 "The VisitorIdentification Web control". Just in case the link about becomes obsolete: The