In additon to elisolution's answer higher than, this also checks no matter if we are actually on the home webpage (not simply if the canonical was established or not). I tested this Resolution a little and so far as I can see, it works as anticipated. Otherwise, please let me know! https://addons.prestashop.com/nl/seo-zoekmachineoptimalisatie-vermelding/31857-automatische-google-rich-snippets-json-ld-opengraph-seo.html