sku
The Stock Keeping Unit (SKU), i.e. a merchant-specific identifier for a product or service, or the product to which the offer refers.
Definition from the Schema.org vocabulary (English).
Estimated domains
1M - 10M stable
Trend over time
Domain tier in each available month.
Usage in Google Search
Documented Google contexts where this property is required or recommended for rich results.
- Recommendedmerchant-listing
Text The merchant-specific identifier for the product. Specify at most one value. The sku value must use unicode characters that are valid for interchange. The sku value must not contain any whitespace characters (as defined by the Unicode whitespace property). We recommend that the sku value only contain ASCII characters.
Used on types
Tiers indicate the number of unique domains using the term. They are intentionally approximate to reduce noise and protect site privacy. How to read the data.