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What is the A10 Algorithm?

The A10 algorithm is Amazon's latest search engine update (formerly A9). While the core goal remains the same—Maximized Revenue Per Customer—the weighting factors have shifted significantly.

In the past, simple sales velocity and keyword stuffing could get you to Page 1. Today, the algorithm focuses heavily on Contextual Relevance and Customer Retention signals.

A10 Weighting Factors

  • Organic Sales: 40%
  • PPC Sales: 20%
  • Click-Through Rate (CTR): 15%
  • Conversion Rate (CVR): 15%
  • Internal Traffic: 10%

Top 3 Ranking Factors for 2026

1. Velocity Per Keyword

It's not just total sales. It's sales attributed to a specific search query. Amazon tracks if you convert for "running shoes" specifically vs generic "shoes".

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2. Off-Amazon Traffic

Amazon loves when you bring new customers to their site. Traffic from TikTok, Google Ads, or Email lists carries extra weight in the A10 update.

3. Seller Authority

Account health, stock consistency, and review rating (not just count) now play a larger role in whether you win the Buy Box and organic rank.

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