In additon to elisolution's response previously mentioned, this also checks whether we are actually on the house web page (not only if the canonical was set or not). I analyzed this Option a bit and so far as I'm able to see, it really works as predicted. Or else, be sure https://addons.prestashop.com/pt/seo-referenciamento-natural/31857-rich-snippets-automaticos-json-ld-opengraph-seo.html