Using Conflicting or contradictory tags on the webpage. You need to always use regular and coherent tags on your own page. For example, you should not use and on precisely the same webpage. This could confuse search engines and could cause them to ignore or penalize your webpage. Search engine https://collinybhgg.yourkwikimage.com/853810/details_fiction_and_prestashop_hreflang_canonical_tags