I've started to use Tor as my main browser recently.
I've noticed things enabled by default like
However, one thing that strikes me is the memory comsumption, which is close to null. By comparison, running 10 tabs with Firefox usually takes up to 800 Mb of Ram.
These lead me to wonder what are the main technical differences between the TOR browser and Firefox?
Did Firefox installed things that were not supposed to be there like spy modules?
Many thanks for your help.