Using conflicting or contradictory tags on your site. You'll want to constantly use consistent and coherent tags on your website page. One example is, you shouldn't use and on exactly the same web site. This can confuse search engines like google and yahoo and could cause them to ignore or https://mysocialport.com/story3069955/a-secret-weapon-for-balises-hreflang-automatiques-et-balises-canoniques-seo