I've been putting up with first page loads in a freshly booted instance of Firefox taking up to like 20 or 30 seconds for so long and I'm starting to suspect it's the 1password extension causing the issue.
I would try to track it down further, but it's closed source software, so the best I can do is open a support ticket and beg to be taken seriously. Rather than, y'know, just diagnosing and fixing the problem myself.
common proprietary software L