I have tried to remove the Etag as suggested by Yslow. The following link is one that mentions the 3 methods that get mentioned frequently ... http://stackoverflow.com/questions/477913/how-do-i-remove-etag-headers-from-iis7 I have tried all 3 but Yslow still says that I have misconfigured ETags. How do I remove Etags? Can this be done at web.config level or is at machine.config level? Thanks in advance. Will