" GTM no-script code not found: either lacking or not in " I try out to add the script within the header.tpl but there is no part. Update: Difficulty was solved. I just use Yet another addon and customise hook to make it happen. Many thanks Ali Edited November 21, https://freshbookmarking.com/story17810193/the-tag-hreflang-automatici-e-tag-canonici-seo-diaries