: This standout feature allows users to separate their browsing (e.g., Personal, Work, Shopping) into different "containers" so that cookies from one do not leak into another.

: Beyond basic themes, users can access advanced settings via about:config to fine-tune browser behavior.

: Firefox blocks third-party trackers, social media trackers, and fingerprinters by default. Its Total Cookie Protection isolates cookies to the site where they were created, preventing cross-site tracking.