Use Haskell to write Web

In Google group, we can see someone talking about the new usage of Haskell, that is, using Haskell to write the web. I checked it. It turns out that snap, A Haskell Web framework, looking at some of the benchmark results published by snap, it feels pretty good, both in the common Pong test and in the file test are relatively leading. It seems that you need to understand these function types.Programming Language.
Below is the benchmark from snap
(1) Pong Benchmark

(2) file Benchmark

 

Haskell URL:
Http://haskell.org/haskellwiki/Haskell
Snap URL:
Http://snapframework.com/