Canonical URL Checker
Verify your canonical tag implementation for SEO
Ensure your canonical tags are properly implemented to avoid duplicate content issues.
Key Features
- ✓Single/multiple canonical detection
- ✓HTTPS protocol check
- ✓Query parameter detection
- ✓Trailing slash consistency
- ✓Relative URL warnings
How to Free Canonical URL Checker Online
- 1
Paste your HTML head section
Copy the <head> section of the page you want to check.
- 2
Click Check Canonical
The tool scans for all canonical link elements.
- 3
Review the results
See if canonical tags are correct, missing, or duplicated.
- 4
Fix any flagged issues
Update your canonical tags based on the recommendations.
Common Use Cases
- •Duplicate content prevention
- •SEO audit
- •Migration verification
Frequently Asked Questions
What is a canonical URL?▼
A canonical URL tells search engines which version of a page is the preferred one to index.