zxcvbn now includes targeted verbal feedback in addition to score and guess numbers. verbal feedback is included when score is <=2, and potentially contains a warning and a list of suggestions.
Warnings include messages like "this is a top-10 common password", "dates are easy to guess", "rows of keys are easy to guess".
Suggestions include messages like "add another word or two", "avoid dates that are associated with you", "common substitutions like @ for a don't help very much", etc.