GLOSSARY
Product feed
In brief: Structured dataset (XML/CSV/TSV/Sheets/API) containing product data: titles, prices, images, availability and required attributes.
Related terms
Google's specification of required/recommended feed attributes, formats and constraints for Merchant Center.
Google API to insert/update products in Merchant Center programmatically (near real-time).
Merchant Center periodically downloads your feed from a URL on a schedule you configure.
Diagnostics errors/warnings caused by invalid attributes, broken links, image issues or formatting problems.
Global identifier (EAN/UPC/ISBN). Improves matching and can be required for branded products.
Rules on image quality, format and presentation. Violations can disapprove items.
Error when feed/markup price differs from the visible price on the landing page or checkout.
Error when feed/markup availability differs from the real stock state on the PDP.
FREE REPORT
Want a personalized checklist for your site?
In ~60 seconds you get a prioritized checklist on trust signals (contacts, returns, shipping), policy pages and product-page consistency (price/stock) + Product schema.
Browse the glossary