[Drup]

Hum, OWebl doesn't exist. The author made some buzz because he's decent at marketing (and much better at it than the rest of the OCaml community, clearly), but it doesn't mean it's a thing.

There are other (good) web frameworks in OCaml (ocsigen, opium).

[tacos]

https://github.com/eatonphil/owebl

[Drup]

Yes, please open up the code, notice how the implementation of HTTP handling is approximately 30 lines long, and ask yourself if you would actually want to use that. ;)