Bear in mind rel=””alternate”” hreflang=””x”” will instruct search engines like google to indicate the translated (localized) Model of a web page. Meanwhile, rel=canonical attribute will mark that it's not the authoritative or canonical Model. GTM setup is often cumbersome and time-consuming – this extension comes along with packaged presets for https://addons.prestashop.com/en/seo-natural-search-engine-optimization/30904-automatic-hreflang-tags-canonical-tags-all-pages-seo.html