hreflang="tg"

tg is a valid hreflang value for Tajik.

Language: Tajik (tg, ISO 639-1)

Example

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

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

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