ahem So, people will say ruby on rails is slow because twitter got big mad one time, but remember, people scale with docker containers through Kubernetes these days, so it isn't even a problem.
I like ruby. Its an easy language to learn. It interprets to C and so if you felt so inclined, you could compile it in C.
I like a good graphical front end builder so do all that front end mess for me. The tooling has gotten really good for it. I use nicepage