Use Product markup for rich results and a Merchant Center feed for the Shopping tab, with identical values

Product structured data alone makes pages eligible for product rich results and product annotations in Google Images; Merchant Center is not required for them, and Merchant Center does not require the markup. Google's product guide says providing both maximizes eligibility for shopping experiences and helps Google understand and verify the data, and Merchant Center's automatic item updates can use landing-page markup to fix price and availability mismatches, without replacing regular feed updates. Said at Search Central Live: the Shopping tab needs a Merchant Center feed.

Generate the feed and the JSON-LD from the same product database so price, sale price, availability, condition, brand and GTIN never diverge (DEV-SDA-08), update the feed whenever prices or stock change, and turn on automatic item updates as a safety net.

Decided automatically once you connect Google: Search Console, and Merchant Center or BigQuery where they apply.

One consent screen grants read-only Search Console access. Merchant Center and BigQuery are requested separately, only where they apply, and Regensbot only reads from them. URL Inspection samples and Search Analytics add Google's own view of your pages.

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