hreflang="nn"

nn is a valid hreflang value for Norwegian Nynorsk.

Language: Norwegian Nynorsk (nn, ISO 639-1)

Example

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

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

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