In additon to elisolution's respond to above, this also checks whether or not we are actually on the house web page (not simply if the canonical was established or not). I analyzed this Remedy a tad and in terms of I'm able to see, it really works as envisioned. Or else, https://addons.prestashop.com/pl/seo-pozycjonowanie-naturalne/31857-automatyczne-google-rich-snippets-json-ld-opengraph-seo.html