What is Backend search terms?

Backend search terms are hidden Amazon keywords that help a listing get found but aren’t shown to shoppers. The field must stay under 250 bytes.

Example

Adding “flask tumbler canteen” as synonyms for a water bottle.

Why it matters

Repeating title words, punctuation or going over the byte limit wastes space or stops the field being indexed.

Calculate it: Backend Keyword Byte Counter

Amazon search terms under 250 bytes

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Question

What is backend search terms?

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Answer

Backend search terms are hidden Amazon keywords that help a listing get found but aren’t shown to shoppers. The field must stay under 250 bytes.

Related terms

ASIN

An ASIN is the 10-character ID Amazon assigns to each product in its catalog (for example B0XXXXXXXX). One product page = one ASIN.

Read more in our guide: Amazon Backend Search Terms: The 250-Byte Rule and How to Use It