In circumstances like that, You may use a less than suitable Remedy: Use exactly the same hreflang tags on duplicate pages as you do about the canonical pages. che voi sappiate c'e' modo di integrare nel codice di prestashop il tag for every Google Tag Manager senza usare uno specifico https://bookmarklinx.com/story18904004/the-fact-about-hreflang-not-using-canonical-that-no-one-is-suggesting