KDP Glossary  / Research

What is a SERP on Amazon?

SERP stands for Search Engine Results Page. On Amazon, the SERP is the list of products displayed when a shopper enters a search query — for example, searching "cozy mystery with cats" shows a SERP with the books Amazon considers most relevant and likely to result in a purchase. For KDP authors, analysing SERPs is a fundamental research step: the SERP for your target keyword shows you who you're competing against, what prices and covers are winning, and how much demand exists for that search term.

Sponsored vs organic results on Amazon SERPs

Amazon SERPs contain two types of results: sponsored (paid) ads and organic listings. Sponsored results are marked "Sponsored" and appear at the top, within, and at the bottom of the results page. They're purchased through Amazon's advertising platform (AMS/Amazon Ads) and don't reflect organic ranking strength. Organic results are sorted by A9's algorithm based on relevance and performance. For KDP research, both matter — sponsored results tell you which books have advertising budgets and are investing in that keyword, while organic results tell you which books have earned their ranking.

What to look for on a SERP when researching

When analysing a SERP for niche research, look at: the BSR of the top 10 results (lower BSR = more sales = more competition), the review counts of top sellers (how many reviews do you need to be competitive?), price range (what are readers paying in this niche?), cover quality and style (what visual language dominates?), and whether the top results are all from the same few authors or publishers (concentrated competition) or spread across many titles (more accessible market). A SERP where the top 10 results have BSRs above #50,000 and review counts under 50 is a signal of accessible niche demand.

Frequently asked questions

How is an Amazon SERP different from a Google SERP?

Google SERPs mix web pages, images, news, and ads and are optimised for information discovery. Amazon SERPs show only products and are optimised for purchase intent. Every result on an Amazon SERP is a book you can buy immediately. The ranking signals are also different: Amazon weights sales velocity and conversion rate heavily; Google weights authority and backlinks.

How many results appear on an Amazon SERP?

Amazon typically shows 16–24 results per page, with infinite scroll or pagination to load more. The first page of results is the most valuable real estate — most shoppers don't go beyond page one, particularly on mobile. Ranking on page one for your primary keyword is the primary organic traffic goal for most KDP authors.

Can I see which keywords a competing book ranks for?

Not directly through Amazon's interface. KDP research tools can estimate which keywords a book ranks for by cross-referencing the ASINs that appear consistently across multiple related search queries. Pubscout's keyword overlay shows search volume and visibility data directly on Amazon search pages.

Related terms

A9 Algorithm Amazon BSR Keyword Stuffing

Pubscout Chrome Extension

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