hreflang="ig"

ig is a valid hreflang value for Igbo.

Language: Igbo (ig, ISO 639-1)

Example

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

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

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