Canonical chains could confuse and mislead engines like google. As a result, They might misinterpret or disregard the desired canonical. You'll find 3 ways to incorporate hreflang tags to webpages (by increase, we don’t mean put into practice, we’ve already included that):  Check your canonical tags and URLs at times. https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-google-rich-snippets-json-ld-opengraph-twitter-tags-schemaorg.html