Scheme-optimized blogs

Question

I am new to this approach to optimizing my HTML with Rich Snippets. I'm not sure what the differences are in each of the following list items:

• http://schema.org/Article
• http://schema.org/BlogPosting
• http://schema.org/Blog

I got this code below the example below, and I want to know what missing elements or codes can optimize a simple blog post that search engines can understand. I would like to know all the rich snippets available for the blog.

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<div id="blog_post" itemscope="" itemtype="http://schema.org/BlogPosting"> <h2 itemprop="name headline">Post Title</h2> <div class="byline"> Written by <span itemprop="author" itemscope="" itemtype="http://schema.org/Person"> <span itemprop="name"> <a href="https://" itemprop="url" rel="author">Author</a> </span> </span> on <time datetime="2011-05-17T22:00" itemprop="datePublished">Tuesday May 17th 2013</time> </div> <div class="content" itemprop="articleBody">Content...</div> </div> 

Answer 1

http://schema.org/Blog can be used on the first page, where you will usually find a list of several blog posts (or maybe for the entire blog on each page, for example, for the name of the blog).

http://schema.org/BlogPosting is a single blog post.

http://schema.org/Article simply more general than http://schema.org/BlogPosting (every BlogPosting is an Article , but not every Article is a BlogPosting ). If you have a regular blog, you want to use http://schema.org/BlogPosting .