Amazon advertising and seller glossary
Short definitions of the metrics, programs and ad types we work with every day. Each term links to the guide or service where we cover it in depth.
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- A+ ContentA+ Content is the section of an Amazon product detail page where brand owners replace the plain product description with images, comparison charts and formatted text modules; it requires Brand Registry.
- A9 AlgorithmA9 is the common name for Amazon's product search ranking algorithm, which decides which products appear for a search and in what order, based mainly on relevance to the query and the product's sales performance.
- ACoS (Advertising Cost of Sales)ACoS (advertising cost of sales) is the share of ad-attributed sales spent on advertising, calculated as ad spend divided by ad sales times 100; an ACoS of 25% means $25 of ad spend for every $100 in ad sales.
- Amazon Brand RegistryAmazon Brand Registry is Amazon's program for trademark owners that gives them more control over their product listings, access to brand-only advertising and content tools, and tools to report counterfeits and infringement.
- Amazon StorefrontAn Amazon Storefront, officially called an Amazon Store, is a multi-page branded shopping destination on Amazon with its own URL, available at no cost to brands enrolled in Brand Registry.
- Amazon VineAmazon Vine is an invitation-only review program where Amazon sends products from enrolled brands to trusted reviewers, called Vine Voices, who get the item at no cost in exchange for an honest review.
- ASINAn ASIN (Amazon Standard Identification Number) is the 10-character alphanumeric code Amazon assigns to each product in its catalog; it identifies one detail page that every seller of that exact item shares.
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