RDFa is yet another structure utilized to embed rich metadata on web pages and documents. Allow’s use Google’s tackle as an example. We've quite frequently build ids to solve replicate entities, and it's got enhanced rich snippets. e.g. price and overview stars showing when they are defined in several scripts. https://addons.prestashop.com/en/seo-natural-search-engine-optimization/31857-automatic-google-rich-snippets-json-ld-open-graph-seo.html