You specify the principal URL because the internet search engine could have problems deciding which one particular ought to be the principal URL. The following tutorial will demonstrate how to empower Canonical URLs in Prestashop one.five. The delivered SQL scripts demonstrate how to incorporate columns to the ps_product and https://addons.prestashop.com/it/seo-indicizzazione-naturale/31857-google-rich-snippet-automatico-json-ld-open-graph-seo.html