Incorrect canonical implementation: Be certain that the canonical URL is proper and will not conflict with hreflang directives. To put it simply, by using hreflang, you allow engines like google to understand the connection concerning different language variations of your respective site. This fashion, the major search engines don’t understand https://addons.prestashop.com/ru/seo-natural-search-engine-optimization/30904--hreflang-seo.html