Classic Diggbait: Keep Sites Running Smoothly By Avoiding These 10 Common ASP.NET Pitfalls:

"Here are 10 of the pitfalls that litter the path to releasing your production ASP.NET applications, and what you can do to avoid them. All of the examples draw from my experiences with real companies building real Web applications, and in some cases I provide background by describing some of the problems that the ASP.NET development team encountered along the way."

Via .net DEvHammer.