[megous]

I also got perma blocked by cloudflare (no option to override to get access, not even their captcha), because I dared to disable web timing APIs in Firefox at some point in the distant past. (I felt those have no legitimate uses, and I still do)

dom.enable_event_timing / dom.enable_performance_navigation_timing

I only figured what was wrong after a month of no access to gitlab and other websites.