The Google Rich Snippet Tool, now called Structured Data in Google’s Webmaster Tools, is a resource that enables webmasters to enrich the snippets (small samples of content) that appear below items in search engine page results. The Rich Snippets Tool is an enhanced markup of search results that has been around since Google introduced it in 2009.
The Google Rich Snippet Tool can help marketers by improving click-through rates. Marketers must implement structured data to create rich snippets. Using Rich Snippets is a great way to attract user attention and secure clicks compared to other website that rank on the first page of search results.