In additon to elisolution's reply higher than, this also checks no matter if we are literally on the house webpage (not just whether or not the canonical was set or not). I tested this Option a little bit and so far as I can see, it really works as expected. In https://addons.prestashop.com/pt/seo-referenciamento-natural/31857-rich-snippets-automaticos-json-ld-opengraph-seo.html