First boot of Firefox very slow

[megavolt]

@gustav

First boot is very slow (a few minutes), than closing and running it again takes only a few seconds.

Common reason is simply: RAM Cache.

• First run: it loads all everything into RAM and run it.
• Second run: it reuse the cached data on RAM.

Obviously your drive is slower than your RAM. So probably the bottle neck is your storage drive?

I doubt Firefox takes 40 minutes to start:

@gustav

real	40m33.789s
user	0m31.681s
sys	3m33.872s