If seeing too many ads ruins your day, then the Strict mode is a better fit. This mode will block known third-party trackers and cookies in all Firefox windows.
Ma yella ddeqs n udellel yessexseṛ ass-ik, aska uǧhid ilaq-ak. Askar-a ad isewḥel ineḍfaṛen yettwassnen akked inagan n tuqqna deg yisfuyla meṛṛa n Firefox.