hreflang="gu"

gu is a valid hreflang value for Gujarati.

Language: Gujarati (gu, ISO 639-1)

Example

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

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

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