macOS Sequoia 15

See the websites you’ve excluded from automatically filling in passwords on Mac
When you enter a password for a website, you’re asked if you want the password saved and automatically entered in the future. You can see all the websites for which you’ve chosen to never save the password.
Go to the Passwords app
on your Mac.
Choose Passwords > Settings.
Below Save Passwords, click “Show excluded websites.”
Tip: You can remove a password from the list. Select it and click
. The next time you enter your password for the website, you’ll be asked if you want the password saved and automatically entered in the future.