hreflang="kg"

kg is a valid hreflang value for Kongo.

Language: Kongo (kg, ISO 639-1)

Example

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

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

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