Markup
Add semantic / structural markup
Once your content is marked up, your web site will be more meaningful and accessible by search engines, your pages will be indexed and ranked more relevantly to its search queries.
Snippets
Enhanced search experience
If your pages are marked correctly, search engines may show rich snippets -detailed information- in search results. These snippets intended to help searchers with specific queries.
Traffic
Gain more web traffic
Rich snippets help web searchers recognize when your site is relevant to their search, and may result in more clicks to your pages.