Cloudflare Image Resizing: Simplifying Optimal Image Delivery

A missing piece of (valuable) documentation would be handling cache scenarios for how you'd mutate a response based on user-agent or accept headers - say, changing file format.

I personally do client hints polyfilling via workers (dpi matters for things like "fit" even if you use srcset) and transpose images off-workers (github.com/h2non/imaginary). Will do testing and see how they match up in terms of quality.