Faster HTTP_HOST / Host / Hostname

Just a side note, if you're developing a multiple-domains web application, it might be helpful to know that there's a faster way to get the hostname than using:

HttpContext.Current.Request.ServerVariables["HTTP_HOST"]

Try this if you've seen its a significant part of your execution:

HttpContext.Current.Request.Headers["Host"]

The reason for that is that ServerVariables is getting many more properties on initialization, including the headers.

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Tags: HTTP_HOST, ServerVariables

Dror Gluska August 06, 2012  No comment