Canonical Tag Checker: Fix SEO in 15s (Free Tool)
Check canonical tags and fix duplicate content issues in 15 seconds. Prevent SEO cannibalization and consolidate link equity. Free—no signup.
How this tool works
- Paste the HTML head (or full page).
- The tool detects the canonical URL and checks for common issues: relative vs absolute URL, mismatch with current URL, or missing canonical.
- Fix suggestions help you consolidate duplicate signals.
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