Tool version 1.0.0
Hreflang Validator
Checks language and regional alternates for formatting, reciprocity and canonical conflicts.
Enter a public address. The report will keep evidence and explanation together.
Quick answer
- What is it?
- Checks language and regional alternates for formatting, reciprocity and canonical conflicts.
- What does it accept?
- A page URL or pasted hreflang table. Validate language codes, URLs, row count and public targets.
- What does it produce?
- Language map, return tag status, invalid code notices, duplicate target findings and CSV export.
Inputs
Input contract
A page URL or pasted hreflang table. Validate language codes, URLs, row count and public targets.
Results
Output anatomy
Language map, return tag status, invalid code notices, duplicate target findings and CSV export.
Method
Processing path
Local mode validates submitted rows. Remote mode fetches a bounded set of alternate pages and compares reciprocal declarations.
Limits
Tradeoffs and limits
Input quality, browser memory, remote server behavior and public API availability can affect a result. The finding describes the supplied material at the time of the test; it does not prove intent or future behavior.
Advanced
Power features
Supports HTML elements, HTTP Link headers and sitemap entries, with explicit source labels.
FAQ
Questions about Hreflang Validator
What does Hreflang Validator accept?
A page URL or pasted hreflang table. Validate language codes, URLs, row count and public targets.
How is the result produced?
Local mode validates submitted rows. Remote mode fetches a bounded set of alternate pages and compares reciprocal declarations.
What will I receive?
Language map, return tag status, invalid code notices, duplicate target findings and CSV export.
Is the input private?
Local for pasted rows. Server fetch for public page verification, with a strict target cap.
What are the main limitations?
Results depend on the quality, completeness and public availability of the supplied input. Review the evidence before making a high-impact decision.