This is the name of Book written by Steve Souders, Chief Performance Yahoo.
Well it does give another view to the problem , what is seems as most of the time we only for known culprits like Database queries etc whenever we are on any Performance drive. And invariably the responsibility is of back-end developer to increase the performance.
Most of the Stuff was new to me , as how diverse the problems can be .
Haven’t got the Book Copy : Need to find out ,Its tough to get these kind of books in India!
But to get Gist , you can go through this review : http://www.theserverside.com/news/thread.tss?thread_id=47378
Now i am curious as what sort of Architecture these Top sites have : Also Do Java has any role into it ?