Metadata
Canonical Tag Checker
Check canonical tag configuration for a web page
Ready
Check Canonical Tag
Enter a clear value to return validity, reason, next check. Try https://developer.mozilla.org as a baseline.
Canonical Tag input
Check canonical tag configuration for a web page. Use a specific canonical tag value so the result matches the right Metadata task.
Canonical Tag result
Read validity, reason, next check first, then open the extra fields only when they change your next action.
Creator & Marketing check
For Metadata tasks, verify with an official or primary source before relying on the result for money, travel, health, legal, or customer-facing decisions.
Next Metadata step
Continue with Domain Screenshot Lookup or Favicon Finder when this answer needs a second reference point.