In additon to elisolution's reply higher than, this also checks regardless of whether we are actually on the home page (not simply whether or not the canonical was set or not). I analyzed this Resolution somewhat and in terms of I can see, it works as envisioned. Or else, remember to https://addons.prestashop.com/fr/seo-referencement-naturel/31857-seo-automatique-google-rich-snippets-json-ld-open-graph.html