From a cursory inspection, the asp.net implementation seemingly runs on Mono [0] in order to run on linux at all. That might definitely be a performance "gotcha".

[0] https://github.com/TechEmpower/FrameworkBenchmarks/tree/mast...

Indeed, quite impressive for a presumably "fully production grade" stack to score so hight. But is it me, or are there no fsharp listings in round 19?

Zebra is on there. Giraffe may be in there.

Strange, I can find zebra in the filter list, but not in the result list. (ff and chrome on Android).

Well, at least MS acknowledged their mistake