[mikeryan]

First party cookies are how you’re authenticated on a website.

They (or an equivalent mechanism) is the only way to save state and create the concept of a “session”.

[jefftk]

> First party cookies are how you’re authenticated on a website

Sure, but they said they were ok with first party cookies on sites they log in to.

[Kbelicius]

That is why GP said: "Specifically, I only want first-party cookies on websites I login to."