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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.〔https://support.google.com/merchants/answer/188478?hl=en〕 A product feed typically contains a product image, title, product identifier, marketing copy, and product attributes.〔https://support.google.com/merchants/answer/188494?hl=en〕 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〔http://www.edgenet.com/data-feed-optimization〕 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. ==Product feed 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.〔https://support.google.com/merchants/answer/188489?hl=en〕 Product data feeds are often delivered between manufacturers and retailers,〔http://www.etilize.com/manufacturer-product-data-management.htm〕 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: # Price comparison websites - Feeds are the product descriptive content needed to run sites that compare pricing (price comparison websites), attributes (mostly in vertical search portals) and availability.〔https://partner.pricegrabber.com/mss_main.php?sec=2&ccode=us〕 # Paid search affiliates - PPC campaigns use API's that receive a range of attributes within product feeds to determine campaign keywords and bidding. # Affiliate networks – affiliate networks funnel products though their platforms from merchants to affiliates. # Marketplaces – receive product feeds from their big merchants (eBay and Amazon for example).〔http://highstreet.io/new-homepage/marketplace-synchronization/〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Product feed」の詳細全文を読む スポンサード リンク
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