This morning I was once again thinking about how to put some proper antibot behavior onto my websites, without relying on Cloudflare. There are plenty of fronting proxies like Anubis and Go Away which put a simple proof-of-work task in front of a website. This is pretty effective, but it adds more of an admin tax (and is often quite difficult to configure for servers that host multiple websites, such as mine), and sometimes the false positive rates can have some other bad effects, such as disallowing feed readers and the like.
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