Hreflang Checker
Validate hreflang tags, language codes, x-default, canonicals, duplicate alternates, and reciprocal hints.
Free Hreflang Checker
Hreflang tags help search engines show the right language or regional URL to the right audience. This checker catches common international SEO mistakes such as invalid language codes, duplicate alternates, missing x-default, and canonical conflicts.
Common hreflang mistakes
The most common issues are relative URLs, invalid language-region codes, duplicate hreflang values, missing return tags, and pages that canonicalize to a different language version.
When hreflang is useful
Use hreflang when similar pages target different languages or regions, such as English for the US and English for the UK. Single-language sites do not need hreflang.
Frequently Asked Questions
What is x-default hreflang?
x-default marks the fallback URL for users who do not match any specific language or region alternate.
Should hreflang URLs be absolute?
Absolute URLs are recommended because they are unambiguous for crawlers and easier to validate across domains.
Can hreflang fix duplicate content?
Hreflang helps search engines serve the right regional version. It does not replace canonical tags or unique content strategy.
Do hreflang pages need return tags?
Yes. Each alternate should usually reference the other alternates in the cluster, including the page being checked.
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