You have a fixed amount of screen real estate on the landing page. Distributing it to your most important users for that page (prospective users) does make sense to me.
Is the solution presented in the blog to utilize a cookie to determine if someone is a prospective user versus already a user not an acceptable compromise?
It seems rather straightforward to me, from their example, to de-emphasize the "Sign Up" button and prioritize the "Sign In" button for someone who already has an account.
It seems rather straightforward to me, from their example, to de-emphasize the "Sign Up" button and prioritize the "Sign In" button for someone who already has an account.