Google+ platform websites integration using the Google+ platform tag.
Identifies administrators for a page which will be able publish data to your wall if you like any content within this page.
Let visitors recommend your content on Google Search and share it on Google+.
A web page. Every web page is implicitly assumed to be declared to be of type WebPage, so the various properties about that webpage, such as breadcrumb may be used. We recommend explicit declaration if these properties are specified, but if they are found outside of an itemscope, they will be assumed to be about the page
A scheme.org entity that represents an organization such as a school, NGO, corporation, club, etc.
A scheme.org entity that represents a person (alive, dead, undead, or fictional).
A scheme.org entity that represents a blog post.