hasCertification
Certification information about a product, organization, service, place, or person.
Definition from the Schema.org vocabulary (English).
Estimated domains
10K - 100K rising
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
Certification Certifications, such as energy efficiency ratings, associated with a product. Up to 10 certifications can be specified. This property is particularly relevant in European countries. See also the list of Certification properties supported by Google. Backwards compatibility: Upon the initial launch of merchant listing, we recommended the hasEnergyConsumptionDetails property. While we continue to support the earlier markup pattern, we recommend using the new hasCertification property
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.