Rich results change, but a core set of structured-data types consistently earns enhanced snippets. Here is the practical list.
Product
Product + Offer markup earns price, availability and review stars. Use the Product generator.
Review / AggregateRating
Star ratings require genuine, visible reviews. See reviews done right.
FAQ / HowTo
FAQPage and HowTo are shown less often than in the past but still valid and useful for AI systems. Use the FAQ generator and HowTo generator.
Article / NewsArticle
Blog and news content with author and dates. See Article schema.
BreadcrumbList
The path under the URL, earned with breadcrumb markup.
LocalBusiness
The local pack and knowledge panels for physical businesses. Use the LocalBusiness generator.
Event, Video, Organization
Event listings, video rich results, and the brand knowledge panel. Covered by our video and Organization generators.
Test before shipping
Validate everything with the schema validator and the Rich Results Test, then monitor Enhancements in Search Console.