Occasionally, you could possibly unintentionally noindex a couple of substitute pages you’ve referenced within your hreflang tags. When this transpires, search engines like yahoo received’t Adhere to the tag to the web site and gained’t Keep to the return link about the web page that references the alternative variations.  Yandex: https://addons.prestashop.com/pl/seo-pozycjonowanie-naturalne/31857-automatyczne-google-rich-snippets-json-ld-opengraph-seo.html