SEOVENTRA
Free tool · No login required

Canonical Checker

Detect chain errors, self-referential loops, cross-domain conflicts, and missing rel=canonical tags that cause duplicate content penalties.

Enter a page URL
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Chain detection
Follows the canonical chain to find loops, broken chains, and unnecessary redirects.
🌐
Cross-domain audit
Flags canonicals pointing to a different domain — intentional or an error.
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HTTPS validation
Checks that canonical uses HTTPS, not HTTP — a common misconfiguration.
Score gain estimates
Every issue comes with a score gain estimate so you can prioritise fixes.
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Audit canonicals across
your whole site automatically.

SEOVentra's audit engine checks every page for canonical errors, schema, AI accessibility, and more — automatically on every deploy.

Run free audit →See pricing