Only canonical URLs needs to be outlined in the sitemap, Whilst Google says that doing so is really a weak canonicalization signal. design We'll increase our hook for the header of our template: hook h = ‘MySocialListHeader’ . Also see this explanation for why hreflang shouldn't be used on pages https://thefairlist.com/story8868313/the-fact-about-hreflang-not-using-canonical-that-no-one-is-suggesting