In additon to elisolution's remedy earlier mentioned, this also checks no matter if we are literally on the house site (not only if the canonical was established or not). I tested this Alternative a little bit and as far as I can see, it works as expected. If not, make sure https://addons.prestashop.com/es/seo-posicionamiento-buscadores/31857-google-rich-snippets-automatico-json-ld-opengraph-seo.html