Ask HN: Password best practices? 13 years ago
To be different from the other comments, here are different examples:
You could use a password card[1]. Just print an keept it on a safe place (your wallet :-D).
or
Get a long and complex Password you can remember (there are lots of techniques to create and remember a passwort). After that add a site-specific phrase to your password. For example: [YourLongAndComplexPasswort]H4ck3rn3w$ As you can see, H4ck3rn3w$ is the site-specific phrase for the hacknews-website.