hreflang="ml"

ml is a valid hreflang value for Malayalam.

Language: Malayalam (ml, ISO 639-1)

Example

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

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

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