Certainly, some of them will be different on 1.6.x. Module understands what version of PrestaShop is applied after which utilizes proper hooks suitable with sure PrestaShop version. Link to comment Also your addon split the " and ', so no attainable use this in individual css or use custom links https://addons.prestashop.com/fr/seo-referencement-naturel/31857-seo-automatique-google-rich-snippets-json-ld-open-graph.html