Marketplace SEO Glossary
Clear definitions for the most important marketplace SEO terms across Amazon, Etsy, Shopify, and AI product visibility. Each term includes a quick explanation and links to deeper guides.
Amazon Ranking Factors
The signals Amazon uses to rank listings in search, including relevance, conversion, and listing quality. These factors determine which products get impressions and where they appear.
Learn more in the Amazon ranking factors guide.
Keyword Indexing
The process of a marketplace or search engine associating your listing with specific search terms. If a keyword is not indexed, your listing will not appear for that search.
See the impressions troubleshooting guide for examples.
Backend Search Terms
Hidden keyword fields in Amazon listings used to index secondary terms that do not fit naturally in the visible copy. They help with coverage but do not replace strong titles and bullets.
See the Amazon keyword gaps guide.
Etsy Tags
Keyword phrases assigned to Etsy listings that help the platform match products to buyer searches. Tags expand keyword coverage beyond the title.
See the Etsy keyword gaps guide.
Shopify Meta Fields
Structured fields in Shopify that store product attributes such as size, material, and compatibility. They help search engines and AI systems understand product details.
See the Shopify ranking factors guide.
Conversion Rate Optimization
The practice of improving listing content so a higher percentage of visitors purchase. Stronger conversion improves ranking because platforms reward listings that perform well.
Learn more in the product listing audit tool guide.
Sales Velocity
The speed at which a product generates sales. Higher sales velocity often improves ranking because it signals demand and conversion strength.
See the Amazon ranking factors guide.
Click Through Rate (CTR)
The percentage of people who click your listing after seeing it in search. Higher CTR improves ranking because platforms interpret it as relevance.
See the Amazon SEO mistakes guide.
AI Product Visibility
How well AI assistants can understand and recommend a product based on listing content. Clear structure and complete specs improve AI visibility.
See the AI product visibility guide.
Marketplace Discoverability
The likelihood that a product appears in marketplace search results and AI recommendations. Discoverability depends on keyword coverage, listing clarity, and conversion signals.
Start with the Amazon listing optimization guide or the Etsy listing SEO optimizer.