What is Schema.org - in layman’s terms, schema is a markup validation of listings on the SERP that tells provides valuable information to search engines vis-à-vis what the listing is about etc. For example, the HTML Tag
<h1>Hotel California</h1> tells the browser to display the text string “Hotel California “in a H1 format. However, the HTML tag doesn’t give any further information as to whether it is about that famous song by The Eagles or about the hotel named Hotel California—and this can make it more difficult for search engines to intelligently display relevant content to a user.
Just by adding a few Html tags you can provide useful information to the search engines about your site, thereby standing a better chance to rank than those who do not take that small trouble, though they can spend hours looking for links! Its not just the links anymore. You got to have clear communication with search engines today. Schema helps you do just that
Here is a snapshot of the Code used in the above markup validation
So you can figure out that it’s not all that helpful to specify that there is an item being discussed without specifying what kind of an item it is. You can specify the type of item using the item type attribute immediately after the item scope.
How to Implement Schema.org Markups to Improve SEO Results
Schema markup has been on the SEO firmament for over two years now, and its importance can hardly be overstated. With Google changing its stance often to improve the quality of results on SERP schema is going to be an indispensible aspect of Advanced SEO sooner than later.. Schema.org brings along with it for webmasters some simple HTML tags they can implement markup their pages in ways recognized by major search providers. Schema.org is a also preferred mark-up option for Google over other formats and it also provides webmasters
How can schema markup help SEO
The best thing about Schema.org markup is that it not only enhances SERP listings courtesy the rich snippets but also greatly increases the likelihood of visitors clicking at your SERP listing thus shooting the click through rate up. Just glance at the image below that shows one of the best exponent of Schema.org, this one IMDB that shows user ratings for The Hobbit movie: