hreflang="fo"

fo is a valid hreflang value for Faroese.

Language: Faroese (fo, ISO 639-1)

Example

<link rel="alternate" hreflang="fo" href="https://example.com/fo/" />

The code is case-insensitive for Google. The conventional spelling is a lowercase language, a title-case script and an uppercase region: fo.

Without a region, the annotation targets every Faroese speaker regardless of country. Regional versions sit next to the language-only version in one cluster.