Web & SEO
Hreflang Validator
Extract alternate tags and flag missing URLs or malformed language codes.
Free foreverRuns in your browserNo sign-up
Alternates
0
Invalid
0
Validate reciprocal return links on every language page separately.
About the Hreflang Validator
Hreflang Validator parses pasted alternate link tags and checks common language or language-region code shapes and href presence.
Validate every page in the cluster to confirm reciprocal references, canonical targets and live responses.
Key features
- Alternate tag extraction
- Language-code format checks
- Missing href detection
- x-default recognition
How to use
- 1Paste the head HTML containing alternate tags.
- 2Review detected locales and invalid rows.
- 3Repeat for every alternate URL to check reciprocity.
Examples
Use the Hreflang Validator
Input:
Valid en-US alternate linkOutput:
One alternate and zero invalid rowsAlso verify that the destination returns 200 and is canonical.
Frequently asked questions
- Does it fetch reciprocal pages?
- No. Paste each page's tags or use crawl data to verify return links.
- Are lowercase region codes accepted?
- The checker expects conventional lowercase language and uppercase region formatting.
- Is my data uploaded?
- No. Analysis and generation happen entirely in your browser.