certificationRating
Rating of a certification instance (as defined by an independent certification body). Typically this rating can be used to rate the level to which the requirements of the certification instance are fulfilled. See also [gs1:certificationValue](https://www.gs1.org/voc/certificationValue).
Definition from the Schema.org vocabulary (English).
Estimated domains
< 1K 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
Rating The value of the certification. This property is ignored for certifications that have the certificationIdentification property (for example, an EPREL code). You can use the certificationRating property to provide the CO2 Emissions class that's required when listing vehicles in certain countries, or the energy efficiency rating when an EPREL code is not available. The following properties can be nested in the certificationRating property: ratingValue bestRating worstRating The ratingValue
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.