In additon to elisolution's solution higher than, this also checks whether we are actually on the house webpage (not merely whether the canonical was set or not). I tested this Remedy a bit and so far as I'm able to see, it really works as predicted. Or else, you should allow https://allkindsofsocial.com/story4538722/little-known-facts-about-automatic-hreflang-tags-canonical-tags-all-pages-seo