Hreflang Validator
Validate hreflang markup quality and reciprocal language links.
Hreflang Validator — Alternate & Reciprocal Check
Validate multilingual hreflang markup: code format, x-default coverage, duplicates, and reciprocal alternate links.
Extract hreflang alternate links from document head
Validate language code format and duplicates
Check x-default and self-referencing hreflang
Check HTTP status of alternate URLs
Optional reciprocal backlink verification
How to Use
- Enter a URL that should be part of your hreflang cluster
- Run validation and review code, x-default, and self-reference issues
- Enable reciprocal checks if needed and fix disconnected locales
FAQ
x-default declares the fallback version when no matching locale is found and helps avoid ambiguous routing.
Without reciprocal links between locales, search engines may ignore part of hreflang signals and the cluster can remain incomplete.
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