Google Sites doesn't have a built-in "New Post" button like WordPress. You typically have to create a new page for each post or use a "Portfolio" template.
The most visible integration was the Google+ Badge gadget. Users could embed a widget on their site that displayed the brand’s Google+ profile picture, follower count, and a "Follow" button. This served as a bridge between static web content and dynamic social interaction. google sites g plus
The Integration and Retirement of Google+ Brand Pages within Google Sites: A Retrospective Analysis Google Sites doesn't have a built-in "New Post"
Google Sites natively supported the "+1" button, which functioned similarly to Facebook’s "Like." Content on a Google Site could be recommended directly to a user’s Google+ circles. This was engineered to drive organic traffic through social proof. Users could embed a widget on their site
The shutdown necessitated immediate changes in the Google Sites infrastructure:
Meanwhile, the quiet success of Google Sites reminds us of a forgotten truth: Your internal team wiki, your family recipe archive, your personal knowledge base—these are the "Sites" of the world. They don't need to go viral. They just need to work .