Checks included
- Existence and count of canonical tags
- Absolute URL format of the canonical value
- Self-reference or cross-domain mismatch warnings
Results model
Canonical Checker result model
A clean canonical result confirms that one preferred URL is declared and that it matches the intended page.
Recommended actions
- Keep only one canonical tag per page.
- Point the canonical to the exact preferred URL, including protocol and host.
- Avoid mixing staging, alternate domains, or temporary URLs.