A gravatar is the small image or logo that is displayed underneath each post on your blog beside your personal information.
Usually this is a small picture of the Author and is displayed automatically by your blog when you have a Gravatar account set up at https://gravatar.com/‎

In this tutorial, I explain step by steo how to sign up for your gravatar and set up your email image.

If you have any questions, please leave a comment below and I will be happy to help.