Incorrect canonical implementation: Ensure that the canonical URL is accurate and will not conflict with hreflang directives. Should your web site serves up material in a number of languages or just asks a user to pick a most popular webpage, You should utilize x-default to show that the webpage is https://addons.prestashop.com/de/seo-suchmaschinenranking-optimization/30904-automatische-hreflang-tags-und-kanonische-tags-seo.html