It generates interactive ranking programs — stars, factors, or percentages — enabling users to post their evaluations though strengthening their credibility and authenticity within search engine results. Google won't assure that attributes that consume structured data will exhibit up in search results. For a listing of typical main reasons why https://addons.prestashop.com/ru/seo-natural-search-engine-optimization/31857--rich-snippets-json-ld-opengraph-seo.html