Search + Structured Data · fictional concept
Product + Offer Structured Data
Keep visible product facts and machine-readable product and offer data aligned.
Visible product facts
What the customer sees
NameSystem One
Price$49.95
AvailabilityIn stock
VariantBlack / Large
Machine-readable mirror
Product + Offer
@type: Product
offers.price: 49.95
offers.availability: InStock
sku: SYS-001-BLK-L
Validation rule: no disagreement between visible page, product record, and markup.
Schema is verified against the final rendered page and refreshed when product truth changes.