Google endorses not using rel="canonical" throughout nation or language variations of your internet site. But You should use it within just a rustic or language Variation. Canonicalization, However, offers with duplicate or equivalent articles across numerous URLs. A canonical tag (rel=canonical) put throughout the HTML header of the webpage tells https://addons.prestashop.com/de/seo-suchmaschinenranking-optimization/30904-automatische-hreflang-tags-und-kanonische-tags-seo.html