[{"data":1,"prerenderedAt":80},["ShallowReactive",2],{"glossary-term-acos-en":3,"glossary-terms-by-ids-bf7ba38f-42e7-463b-8564-f6feca4f4ab9,aa43edb0-676c-405d-a7f2-6d44558270f2,2e0db520-2e69-4c4a-b0e9-6e28c3e5bc36-en":27,"glossary-terms-en":36},{"id":4,"slug":5,"is_enabled":6,"sort_order":7,"related_post_id":8,"related_service_id":9,"related_term_ids":10,"last_modify":14,"created_at":15,"updated_at":16,"locale_code":17,"term":18,"short_definition":19,"body":20,"meta_title":21,"meta_description":22,"related_post_slug":23,"related_post_title":24,"related_post_is_public":6,"related_service_slug":25,"related_service_name":26,"related_service_is_enabled":6,"heading":21,"published_at":14},"f4c40d99-939f-4d1a-b253-eba8e085fce4","acos",true,0,"1dd42263-4c4c-4925-a20b-3e3377953fe6","c89127c7-631c-451f-bf13-3681edd0f3c4",[11,12,13],"bf7ba38f-42e7-463b-8564-f6feca4f4ab9","aa43edb0-676c-405d-a7f2-6d44558270f2","2e0db520-2e69-4c4a-b0e9-6e28c3e5bc36","2026-11-02","2026-11-02T16:18:15.855588+00:00","2026-11-02T19:38:47.253477+00:00","en","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.","Formula: ACoS = ad spend ÷ attributed ad sales × 100.\n\nExample: a campaign spends $300 and drives $1,200 in attributed sales. ACoS = 300 ÷ 1,200 × 100 = 25%.\n\n### How to judge it\n\nAn ACoS is good or bad only against your margin. Your [break-even ACoS](\u002Fglossary\u002Fbreak-even-acos) equals the margin before ad spend: below it an ad sale earns profit, above it the sale loses money. Launch campaigns and brand defense often run above break-even on purpose, while campaigns for mature products usually aim below it.\n\nACoS counts only sales Amazon attributes to the ad within the [attribution window](\u002Fglossary\u002Fattribution-window). It misses the organic sales ads help create, so brands track [TACoS](\u002Fglossary\u002Ftacos) beside it. [ROAS](\u002Fglossary\u002Froas) is the same ratio turned upside down.\n\n### Common mistake\n\nPushing ACoS down at any cost. Cutting bids on everything that is not cheap lowers ACoS and usually lowers total sales and organic rank with it. Our [full ACoS guide](\u002Fblog\u002Fwhat-is-acos-on-amazon) covers benchmarks, break-even math and the levers that change ACoS.","What Is ACoS (Advertising Cost of Sales)?","ACoS (advertising cost of sales) explained: the formula with a worked example, how to judge it against break-even, and why lower is not always better.","what-is-acos-on-amazon","What Is ACoS on Amazon? Meaning, Formula and a Good ACoS","amazon-ppc-management","Amazon PPC Management",[28,32],{"id":12,"slug":29,"term":30,"short_definition":31},"roas","ROAS (Return on Ad Spend)","ROAS (return on ad spend) is the revenue earned for every dollar spent on advertising, calculated as ad-attributed sales divided by ad spend; a ROAS of 4 means $4 in sales for each $1 of ads.",{"id":11,"slug":33,"term":34,"short_definition":35},"tacos","TACoS (Total Advertising Cost of Sales)","TACoS (total advertising cost of sales) is ad spend divided by total revenue, both ad-attributed and organic, times 100; it shows how much of a brand's whole Amazon business goes to advertising.",[37,42,47,48,53,58,63,68,73,78,79],{"id":38,"slug":39,"term":40,"short_definition":41},"265eb399-2ba5-411c-a1eb-9c41391b3f13","a-plus-content","A+ Content","A+ 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.",{"id":43,"slug":44,"term":45,"short_definition":46},"87df8b1f-4811-4e07-9171-63fd4923c405","a9-algorithm","A9 Algorithm","A9 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.",{"id":4,"slug":5,"term":18,"short_definition":19},{"id":49,"slug":50,"term":51,"short_definition":52},"aaa36c94-6a2a-4d4c-800c-fa1d48c8684b","brand-registry","Amazon Brand Registry","Amazon 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.",{"id":54,"slug":55,"term":56,"short_definition":57},"9b5c7c9a-d511-4c8e-9774-2307ec4add2c","storefront","Amazon Storefront","An 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.",{"id":59,"slug":60,"term":61,"short_definition":62},"a65df449-1de8-4ad2-8ec4-7973fb32f59b","vine","Amazon Vine","Amazon 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.",{"id":64,"slug":65,"term":66,"short_definition":67},"230b5a40-78dc-443c-a421-a29a8d1c8efb","asin","ASIN","An 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.",{"id":69,"slug":70,"term":71,"short_definition":72},"56722521-a391-4396-a435-80460d0ec95d","buy-box","Buy Box","The Buy Box is the purchase panel on an Amazon product page with the Add to Cart and Buy Now buttons; when several sellers offer the same product, Amazon decides whose offer fills it and now calls it the Featured Offer.",{"id":74,"slug":75,"term":76,"short_definition":77},"3ce8cb16-1838-4b86-a5b5-3eaa1110bc31","fba","FBA (Fulfillment by Amazon)","FBA (Fulfillment by Amazon) is the Amazon program where you send inventory to Amazon's fulfillment centers, and Amazon stores it, picks, packs and ships each order, and handles customer service and returns for those units.",{"id":12,"slug":29,"term":30,"short_definition":31},{"id":11,"slug":33,"term":34,"short_definition":35},1793651102760]