Invalid hreflang code

How to fix it

Use a valid ISO 639-1 language code, optionally with an ISO 3166-1 region (for example, en-GB).

Sibling checks in this category

• hreflang language mismatch - The hreflang language does not match the actual page language.
• Missing self-referential hreflang - An hreflang cluster must include a self-reference for each locale. This page omits its own.
• Missing x-default hreflang - No x-default fallback is defined for users whose locale does not match any listed variant.
• hreflang target broken - An hreflang entry points at a 4xx / 5xx URL.

Catch it on your site

Wrendex catches invalid hreflang code on every audit. No credit card, all 140+ checks, full PDF report.

Run free audit