Among other things, Chrome (and even Edge) are lightyears ahead when it comes to sandboxing, and were designed with sandboxing in mind. Mozilla is slowly catchi

Among other things, Chrome (and even Edge) are lightyears ahead when it comes to sandboxing, and were designed with sandboxing in mind. Mozilla is slowly catching up - they've started shipping some sandboxing features since Firefox 50 - but there's still a long way to go.