hreflang tags well-formed
Your language tags are malformed. AI assistants may show the wrong-language version of your site to visitors.
What this means
Passing: Your language tags are clean. AI assistants serve the right language to every visitor.
Partial: Some of your language tags are off. Double-check the multilingual setup.
Needs work: Your language tags are malformed. AI assistants may show the wrong-language version of your site to visitors.
Fix hreflang configuration
When the site is multilingual, every locale variant must include a self-reference and an x-default link, with valid BCP-47 lang codes. Monolingual sites should omit hreflang entirely.
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Full guide
Step-by-step for your platform, with why AI engines read it and how to confirm it worked: Hreflang locale map.