Schema.org produces, maintains and promotes structured data for site owners to markup their site content with. It’s the decision of search engines to support structured data markup sot they are able to provide users with enhanced search results. Despite this, search engines such as Google aren’t supporting the full gamut of structured data types.
“All the schema that we work with is on the developer documentation,” explained Daniel Waisberg, search advocate at Google, who acknowledged the gap between all the structured data types available from Schema.org and the types that Google currently supports. Site owners are free to mark up content on their sites with the structured data that they feel is appropriate, even though Google only displays rich results for the ones listed on its site for developers.
Google Search Console (GSC) will still display warning messages despite when you implement the structured data the way you want. During the first Live with Search Engine Land session, Merkle’s Alexis Sanders, Path Interactive’s Lily Ray and Pedro Dias of APIs3 shared their frustrations over the warnings and the feature they wish Google would add to GSC.