Mozilla Persona is an easy way to sign in to websites. Instead of making up a hard-to-remember username and password for each site, Persona lets you use your email address to sign in to any site that supports it. This article shows you how Persona works and how you can get started using it.
Persona lets you log in to websites using only your email address! Persona lets you prove your identity to websites through your email address without giving them any passwords. This works similarly to how you prove your identity when you show someone your ID: websites can easily verify that your ID is authentic and that you really are the person it was issued to.
Persona will automatically walk you through setting up an account the first time you try to log in to a site that supports it.
If you want to set things up beforehand, you can:
Signing in is easy:
For more information, see Signing in using Persona.
If you click Sign in on a website and the Persona pop-up window opens but it's blank, simply close the window and click the Sign in button again.
If that doesn't work on Firefox for Desktop: