The challenge is usually caused by both spammy material or spammy markup use. Nevertheless, the issue will not be a syntax concern, and Therefore the Rich Effects Check would not be capable of detect these concerns. Troubleshoot missing rich final results / fall in total rich effects. Features settings to https://addons.prestashop.com/fr/seo-referencement-naturel/31857-seo-automatique-google-rich-snippets-json-ld-open-graph.html