I've created or inherited a few small web services (small, self-contained pieces shared by multiple apps or broken off for load management reasons). I would say

I've created or inherited a few small web services (small, self-contained pieces shared by multiple apps or broken off for load management reasons). I would say Go is pretty good for this, some very nice performance wins were had easily. I have very little temptation to use it for a whole application though. Unless you are already a Go shop I would advise anyone to just get better at making Ruby, Python, PHP, or JavaScript back ends that are more performant.