The hreflang “x-default” attribute price alerts to Google algorithms which the web page doesn’t goal any certain language or locale and is the default website page when no other web page is better suited. As mentioned higher than, the hreflang and canonical tags have slight discrepancies within their use and https://addons.prestashop.com/pl/seo-pozycjonowanie-naturalne/30904-automatyczne-tagi-hreflang-i-tagi-kanoniczne-seo.html