The module automatically provides a default canonical url to all your product, category, CMS pages only. By default, the module utilizes The existing url of your website page because the default canonical url. You need to use a Device like AuthorityLabs to trace the rankings for every of your site’s https://addons.prestashop.com/nl/seo-zoekmachineoptimalisatie-vermelding/31857-automatische-google-rich-snippets-json-ld-opengraph-seo.html