Hreflang for Multilingual Sites: How to Write the Tags, Regional Pages, and Common Mistakes
Hreflang is the tag multilingual sites get wrong most often, and a single unclosed tag stops every language page from matching correctly. This guide covers how to choose between subdirectories, subdomains, and separate domains, how to use x-default, the principle of reciprocal references, five common mistakes (missing self-reference, wrong region codes, unclosed tags, 404 pages, conflicting declarations), and how to verify everything with the International Targeting report in Google Search Console.
