Product feed

A product feed or product data feed is a file made up of a list of products and attributes of those products organized so that each product can be displayed, advertised or compared in a unique way. A product feed typically contains a product image, title, product identifier, marketing copy, and product attributes.
Product feeds supply the content that is presented on many kinds of e-commerce websites such as search engines, price comparison websites, affiliate networks, and other similar aggregators of e-commerce information. Product data feeds are generated by manufacturers, online retailers and, in some cases, product information is extracted using web scraping or harvested web harvesting from the online shops website.
Applications.
While product feeds differ in content and structure, the goal remains the same – deliver high-quality (fresh, relevant, accurate, comprehensive) information so that shoppers can make a buying decision.
Product data feeds are often delivered between manufacturers and retailers, and are also used within a variety of online marketing channels that help shoppers locate the product they wish to purchase and drive the traffic to the retailers' website. These marketing channels include: