AdvantagePageTemplate..::..IsSearchAgent Property

Gets a value indicating whether this instance has been called by the search agent. Recognition rests on the search key, which is a credential and travels only in the AdvantageSearchAgent request header. A request that cannot present the key is never treated as the search agent — including when the search configuration is missing, since search-agent requests are granted access normal visitors don't get.

public bool IsSearchAgent { get; }