Agree. Did some basic searching and looks like Gitlab is particularly bad. It ships with built in rate-limiting but the backend marks all pages as uncacheable on top of them being somewhat dynamically generated (I guess it caches "page fragments").

The only issues I found amounted to "here's how to use Anubis to block everything"

There's also some new but poorly supported standards around agents setting `Accept: text/markdown` and https://github.com/cloudflare/web-bot-auth