In additon to elisolution's reply above, this also checks whether we are actually on the house web site (not only if the canonical was established or not). I tested this solution a tad and in terms of I can see, it works as anticipated. In any other case, be sure to https://addons.prestashop.com/de/seo-suchmaschinenranking-optimization/31857-automatische-google-rich-snippets-json-ld-opengraph-seo.html