Having tinkered with languages like #Idris, #Agda and even Omega, #Haskell is a progressive as well as pragmatic language. In the good sense. It helps me to get things done, and gives me tools that I don't have in #Java, #PHP or C++, most of which I've used for 20+ years.
I know that web development isn't particularly mind boggling. But I've spend the last 6 years doing "mundane" things with it in exactly that field. Solving problems, building custom CMS or just downright websites. #Haskell also shines in those areas, we just don't talk about it.