Unfortunately, I don't speak Italian, but I feel a better translation for "the best" in French is "le meilleur". In fact, if you just click the swapping icon in

Unfortunately, I don't speak Italian, but I feel a better translation for "the best" in French is "le meilleur". In fact, if you just click the swapping icon in the Google translation link you posted above, you'll see it uses "meilleur". "c'est mieux" = "it's better", "c'est mieux que..." = "it's better than..."