How to Add Avatars to Your WordPress Site with Gravatar

Avatars – graphical representations of computer users – help to define a person’s online identity. WordPress calls them Globally Recognized Avatars (or ‘Gravatars’), and these icons (along with user names) identify the authors of posts and comments on blogs and forums. Gravatars are small, yet powerful, and can offer opportunities for website owners that are often overlooked. While Gravatars may not seem hugely important, they can actually play an important role in driving traffic to your site and encouraging people to keep returning. They also help to forge relationships between you and your users, and solidify your brand.
In this article, we’ll reveal four reasons why Gravatars are important for both you and your visitors. We’ll also explain how to enable them on your website, and also how to create a custom default Gravatar for visitors who don’t yet have one activated.
What Is an Avatar?
Avatars have long been utilized to portray users online. Depending on the medium, they might be an image or a 3D representation of the user. Avatars have evolved over time, and the term has come to have many meanings within the online world. One form
Source: https://managewp.org/articles/13743/how-to-add-avatars-to-your-wordpress-site-with-gravatar

source https://williechiu40.wordpress.com/2016/11/01/how-to-add-avatars-to-your-wordpress-site-with-gravatar/