Tools used for optimisation

I am doing a new project on ASP.Net. Can anyone help me by telling me which tools should I use for the Optimization.

Use https://my.aptimize.com/downloads/file/WAX-2.0.11201.11548-Setup.msi
If you’re rich enough. For asp there is no better.

you should also see http://www.webpagetest.org/forums/showthread.php?tid=12

thanks