Google’s John Mueller addresses a few technical aspects of mobile-first indexing that continue to confuse site owners.
Mueller says he occasionally gets questions about how to use rel-alternate and rel-canonical links on sites with separate mobile URLs.
This information may be known to you, but Mueller felt it’s important enough to create a whole Twitter thread about, so I will go over what he said in case it’s useful to you.
Mobile-First Indexing and Canonical URLs
Mueller explains…
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