What is the Authorship Tag?
This mark-up links authors to content, allowing searchers to also find other content written by the individual. It displays the picture associated with the individuals Google+ profile next to the item in the search results.
Let’s take a look at an example…
Setting Up Authorship
Link to your Google profile from your webpage, like this:
<a href=”[profile_url]?rel=author”>Your Website Name</a>
Just replace the [profile_url] part with your Google Profile URL making sure you keep the ?rel=author part or Google won’t be able to associate your content with your Google Profile.
Add a reciprocal link back from your Google profile to the site. Here’s how: