What is a website everyone should know about?

https://lemm.ee/post/1008147

What is a website everyone should know about? - lemm.ee

haveibeenpwned.com

To figure out if your email addresses are part of a known breach. Also, start using a password manager (bitwarden.com)

Have I Been Pwned: Check if your email address has been exposed in a data breach

Have I Been Pwned allows you to check whether your email address has been exposed in a data breach.

Have I Been Pwned
A good alternative to Bitwarden is KeePass/KeepassXC btw
A good alternative to keepass is a self hosted vaultwarden btw. (compiled from bitwardens opensource code iirc)
I agree, I do this and it works great.