https://productforums.google.com/forum/#!topic/gmail/4q3AYMi... and https://facepunch.com/showthread.php?t=1423764 refer to this link.
Edit to add: https://haveibeenpwned.com/PwnedWebsites#BTSec
I only use "password" in random websites that force me to register (but that I'll never visit again).
I only use "password" in random websites that force me to register (but that I'll never visit again).