Google+ platform websites integration using the Google+ platform tag.
Let visitors recommend your content on Google Search and share it on Google+.
Open graph description entity tag
The average rating based on multiple ratings or reviews.
A review of an item - for example, of a restaurant, movie, or store.
A scheme.org entity that represents a particular physical business or branch of an organization. Examples of LocalBusiness include a restaurant, a particular branch of a restaurant chain, a branch of a bank, a medical practice, a club, a bowling alley, etc.
Sites who has this tag are verfied by google to use WebMaster tools