Wikipedia Definition of Multi-factor authentication
Bitwarden Blog: Third Party Audit Completed
If you’re tired of attempting to remember your 8-character (much less 10 or 12) password with special characters, then you’ll probably appreciate this comic that describes the entropy (predictability) of phrases vs. what companies have beaten into our heads for years: https://xkcd.com/936/
Now, on most sites you’ll still need to conform to their requirements (upper and lower case, numbers, special characters), but if you couple that with a phrase, your life will still be easier. Also, be a good security patron and enable Two-factor Authentication!