That’s because you threat confusing search engines like yahoo about which World wide web pages they ought to be indexing and rating. You must use canonical tags whenever you have the identical or equivalent content obtainable at multiple URLs. Assessment the teams of duplicates. Choose one particular canonical Model that https://e-bookmarks.com/story4410336/not-known-facts-about-automatische-hreflang-tags-en-canonieke-tags-seo