Free Tool
Hreflang Checker
Validate hreflang tags for language and region targeting. Surface syntax errors, duplicates, and missing x-default fallbacks.
Inside the tool
What this tool checks
Hreflang Syntax
Validates language and region codes follow ISO standards.
Tag Completeness
Checks for x-default and self-referencing tags.
Duplicates
Identifies duplicate language/region entries.
Why it matters
Why Hreflang Matters
Hreflang tags tell search engines which language version to show users. Incorrect implementation leads to wrong content being displayed.
i18nInternational SEO
UXUser experience
RankLocal rankings
Good to know
Frequently asked questions
What is x-default?
A fallback hreflang for users whose language isn't specifically targeted.
Do I need self-referencing tags?
Yes, each page should include a hreflang tag pointing to itself.