- Language codes
- x-default
- Correct alternate URLs
- Missing languages
- Reciprocal implementation
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International
40 toolsHreflang Checker
List alternate language links and x-default.
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ABOUT THIS CHECK
Hreflang Checker
Detects hreflang alternate-language annotations.
WHY IT MATTERS
International sites use hreflang to connect equivalent language/region versions.
Consistent language alternates that map equivalent pages correctly.