I like webpack because of how general it can be. I don't know a lot about parcel, but it definitely seems focused on browser apps.
That said, parcel seems pretty awesome for browser apps. I really like how it lets you use the html file as the "entrypoint" to your application. I always felt the HTMLWebpackPlugin was a bit awkward.
We're a place where coders share, stay up-to-date and grow their careers.
We strive for transparency and don't collect excess data.