Cleary, Web content without structured knowledge presents no clue in any respect to a computer what the Website is about. Then again, web page with structured knowledge presents a good deal more details and meaning: we could see that it is a Online page of some organization, which describes some https://addons.prestashop.com/ru/seo-natural-search-engine-optimization/31857--rich-snippets-json-ld-opengraph-seo.html