Be sure you’re constantly using the identical URL framework. Don’t increase a canonical that works by using HTTP or WWW In the event the canonical version of your site is HTTPS or non-WWW. Hold the best way you format URLs dependable throughout your web site and across your canonical tags. https://addons.prestashop.com/fr/seo-referencement-naturel/31857-seo-automatique-google-rich-snippets-json-ld-open-graph.html