" GTM no-script code not found: both missing or not in " I test to include the script during the header.tpl but there's no segment. Update: Issue was solved. I just use A further addon and customize hook to make it happen. Thanks Ali Edited November 21, 2018 by QNP https://addons.prestashop.com/it/seo-indicizzazione-naturale/30904-tag-hreflang-automatici-e-tag-canonici-seo.html