hreflang="ss"

ss is a valid hreflang value for Swati.

Language: Swati (ss, ISO 639-1)

Example

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

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

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