The schema markup language is maintained by some major search engines and also it helps to structure the data of web site and more important thing is understanding the website information at point of search engine perspective. The following things of schema 1.It enhance search results 2.Star ratings 3.It will increase CTR (Main impact on click-through rates ) - because by letting the search engines know about products, Price, shipping times, refund policy and other data. 4.You will get a significant advantage by using schema. The search engine will crawl the product better price, shipping time and refund policy than your competitors. 5.You can get goal queries by transaction. Courtesy - https://schema.org/docs/faq.html#0