Don’t be reluctant to contact me for those who’d choose to safe use of your Prestashop store’s backoffice. When I install prestashop using Quickinstall (cpanel module) the admin panel url is rather weird "admin-1380902282" You will need a login url. Backlink is given ultimately of shop installation method. It is https://addons.prestashop.com/it/seo-indicizzazione-naturale/31857-google-rich-snippet-automatico-json-ld-open-graph-seo.html