settings

fix context menu disapearing bug

ui.context_menus.after_mouseup = true

separation

network.cookie.cookieBehavior = 5
privacy.partition.network_state = true

security

media.peerconnection.enabled = false
network.dns.disablePrefetch = true
network.prefetch-next = false
webgl.disabled = true
pdfjs.enableScripting = false

performance

If animations like progressbars stutter af, set privacy.trackingprotection.enabled to false

must have addons

anti trackers

encryption

https://addons.mozilla.org/de/firefox/addon/https-everywhere/

ads / scripts

misc