2026-06-09 · 6 min
Amazon Keyword Research: How to Find and Use the Right Keywords
Keyword research is the foundation of Amazon SEO. Here is how to find high-volume, relevant keywords and where to place them for maximum visibility.
How Amazon Search Works
Amazon's A9 algorithm matches customer search queries to product listings using keywords. Unlike Google, Amazon search is transactional by design: every search has purchase intent. Keywords that appear in your title, bullet points, and backend search terms determine which searches your product is eligible to appear in. Without the right keywords, even a perfect listing is invisible.
Finding Keywords: Tools That Work
Helium 10's Cerebro and Magnet are the standard tools for Amazon keyword research. Cerebro lets you reverse-engineer competitor ASINs: enter a top competitor and see all the keywords they rank for, sorted by search volume and relevance. Magnet generates keyword suggestions from a seed term. Jungle Scout has similar functionality. For budget-conscious sellers, the free Amazon autocomplete (type your product into Amazon search and note the suggestions) gives you real customer search language directly from Amazon's dataset.
Search Volume and Relevance
Do not target keywords purely by volume. A high-volume keyword that is not closely relevant to your product will generate clicks that do not convert, which signals to Amazon that your listing is a poor match and suppresses your organic ranking. Target the intersection of high relevance and decent volume. A 5,000-monthly-search keyword that perfectly describes your product outperforms a 50,000-search keyword where your product is a marginal fit.
Where to Place Keywords
Title: include your two to three highest-value keywords. Be descriptive and readable. Amazon gives the most ranking weight to title placement. Bullet points: work in secondary keywords naturally. Do not keyword-stuff: Amazon can detect unnatural phrasing. Backend search terms: up to 250 bytes of additional keywords not visible to shoppers. Include misspellings, alternate terms, and long-tail variations here. Do not repeat keywords already in the title.
Monitoring and Updating
Search trends shift. Run a keyword audit every three to six months. Use Helium 10 Keyword Tracker to monitor your ranking positions for target keywords over time. When rankings drop, update the relevant field with refreshed keywords.