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Google switches hreflang examples to uppercase codes in documentation

25
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TLDR

Google updated its hreflang documentation to use uppercase language codes, but the change is purely cosmetic since hreflang is case-insensitive.

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Optimixed's original report on this story.

Google has updated its localized page help documentation to display hreflang examples using uppercase language codes instead of lowercase ones. As SERoundtable notes, the change carries no practical significance—Google accepts both uppercase and lowercase codes, so the shift is documentation-only.

Topics:SEO News & Algorithm Updates
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