Social media sharing buttons are essentials for every Joomla site. These buttons do more than just use social media to engage your users and help them stay up-to-date with your company's news. They are highly instrumental in helping your site's SEO
Share it is a Joomla scial sharing extension. This plugin allows you to add easy-to-use social sharing buttons to your site. Share It supports 3 most popular share buttons: Facebook, Twitter, and Google+.
Share It uses Facebook's Open Graph which is their visual social connections tool. This allows Facebook to understand important information about your site. Open Graph allows you have a much more successful connection to Facebook.