Dumb SEO Questions

(Entry was posted by Abindra Raj Dangol on this post in the Dumb SEO Questions community on Facebook, 02/21/2019).

Best practice to implement herflang tag

which is best practice to implement herflang tag? in the header or in the sitemap. while going through some articles I learned that I can go with only one method. is this true? Thanks in Advance
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    View original question in the Dumb SEO Questions community on Facebook, 02/21/2019).