Write, audit and debug structured data (JSON-LD, Schema.org) so pages qualify for rich results and so machines can extract facts reliably. Use whenever the user mentions schema, structured data, JSON-LD, rich results, rich snippets, Schema.org, microdata, RDFa, star ratings in search, FAQ or HowTo markup, Product or Article or LocalBusiness or Organization markup, breadcrumbs, sitelinks, or a structured data error or warning in Search Console. Also use when adding a product, article, event, recipe, job posting, course or review page to a site.