Oh, there are lots of things you can do 'on edge' that can be easier/faster:

+ A/B testing + cookie warnings just for EU but not everyone else + proxy; helpful if you want to hide where your API is from or username/pass + route redirects + take off some workload from your server + mini applets (eg signup forms are great edge use-case)

ref: this is my old repo: https://github.com/lukeed/awesome-cloudflare-workers