Moving the Viewstate or a SEO technique
Viewstate is a core concept of ASP.Net, but it can be a waste of bytes, when we know that some search engines are only indexing the top of the pages.
This can be done easily, and Scott Hanselman did a really good test on how to do that better.
http://www.hanselman.com/blog/MovingViewStateToTheBottomOfThePage.aspx
-f.