Canonical Tag Checker | SEO Duplicate Content Tool

Canonical Tag Checker | SEO Duplicate Content Tool

🏷️ Canonical Tag Checker

Verify that your pages specify a canonical URL to consolidate link equity.

📘 Why Canonical Tags Matter

Canonical tags tell search engines which version of a page is the master copy. They prevent duplicate content issues from URL parameters, session IDs, or printer-friendly versions. Use this tool to ensure your important pages self-reference canonical or point to the correct URL. Best practice: Every page should have a canonical tag.

⚡ Simulated canonical detection — real check requires fetching page source.

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