Only canonical URLs should be detailed with your sitemap, although Google states that doing this can be a weak canonicalization signal. How to repair: This one particular is pretty uncomplicated—just be sure you include hreflang tags inside the part of each suitable site. Also see this clarification for why hreflang https://bookmarklinkz.com/story18752970/how-much-you-need-to-expect-you-ll-pay-for-a-good-hreflang-tags-wordpress