Google Search snippets are based upon People said in Google Search guidelines , but you can incorporate extra properties to any schema variety, or remove them, as said in the documentation. A lot of challenges pointed out while in the Google search console are preset by adding the right schema https://mediasocially.com/story4408017/a-review-of-prestashop-social-media-like-floating-sidebar-on-left-and-right-side-on-all-pages