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Hreflang Checker

A reference guide to the most common hreflang mistakes (missing return tags, wrong language codes, conflicting canonicals) plus a link to a dedicated hreflang crawler, since verifying live tag propagation across a site needs a server-side crawl this browser tool can't perform.

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How to Use Hreflang Checker
  1. 1Copy the URL of the page you want to check
  2. 2Paste it in the field above for quick reference
  3. 3Review the common hreflang mistakes listed in the results
  4. 4Run a full crawl on hreflang.ninja for a definitive, live validation
Frequently Asked Questions

No — as a browser-only tool it can't crawl your pages or fetch every language variant. It gives you the URL field to copy your page address into a dedicated crawler like hreflang.ninja.

Missing return tags (page A points to B but B doesn't point back to A), incorrect language/region codes, hreflang values that don't match an actual indexed URL, and no x-default fallback tag.

Yes — every URL in the set should list hreflang links to itself and all other language/region variants, including itself (self-referencing).

Use hreflang.ninja, or Screaming Frog's hreflang tab, both of which crawl the actual pages and cross-check the return-tag relationships.

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