First of, update Firefox or Firedragon to version 101, has it includes fixes for hanging and crashing.
Secondly, not sure how it could be related to your particular situation, but if system lags, this thread could give ideas
First of, update Firefox or Firedragon to version 101, has it includes fixes for hanging and crashing.
Secondly, not sure how it could be related to your particular situation, but if system lags, this thread could give ideas