Structured facts performs a crucial part by delivering very easily indexable content. There are numerous formatting options out there like microdata, RDFa and so forth. All of these are helpful because they build superior Sites for both equally human beings and search engines. that test with legitimate JSON code as https://addons.prestashop.com/ru/seo-natural-search-engine-optimization/31857--rich-snippets-json-ld-opengraph-seo.html