On this blog, both gravatarGravatar Is an acronym for Globally Recognized Avatar. It is the avatar system managed by WordPress.com, and used within the WordPress software.
https://gravatar.com and name link to the .org profile. I think that is the ideal standard. On the /community blog, gravatar links to gravatar profile and text name links to own site. Can we standardize it across Make blogs that gravs and names link to the .org profiles?