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Canonical Tag Checker

Paste raw HTML and confirm whether the page includes a canonical URL. This is useful during audits, migrations, or CMS troubleshooting.

Check for a canonical tag

Paste HTML and click Check Canonical Tag.

Use cases

  • Validate that templates inject a canonical on all page types.
  • Check export HTML from a CMS or static site build.
  • Verify that a duplicated page points to the preferred URL.