GLOSSARY
Product Data Specification
In brief: Google's specification of required/recommended feed attributes, formats and constraints for Merchant Center.
Related terms
Structured dataset (XML/CSV/TSV/Sheets/API) containing product data: titles, prices, images, availability and required attributes.
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.
Stock state: in stock, out of stock, preorder, backorder. Must match the page and variants.
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