Other people peeked in their server logs and saw .NET CLR penetration at around 6 – 8%. Some very consumer oriented sites are seeing even less (2-3&#37. –Joel Spolsky

That is funny. My server logs indicate that 100% of my regular visitors have the .Net runtime.
[You mean both of them? – ed.]
[Yes. Ravi @office and Ravi @home. – Ravikiran ]