A mon avis vous parliez de réecriture d'URLs. Ce module par exemple semble supprimer l'ID de l'URL : Duplicate without the need of person-chosen canonical: You have at least two very equivalent or identical pages and you haven’t identified the canonical tag for one of these. 404, no person being https://addons.prestashop.com/it/seo-indicizzazione-naturale/30904-tag-hreflang-automatici-e-tag-canonici-seo.html