Premium Canonical URL Checker

📝 Single URL Check

Enter URL to analyze

📋 Bulk URL Check

Enter multiple URLs (one per line)

📜 Check History

No history yet. Start analyzing URLs!

💡 Canonical Best Practices

✅

Use Absolute URLs

Always use full absolute URLs including the protocol (https://)

✅

Self-Referencing Canonicals

Add canonical tags to all pages, even if they self-reference

✅

Avoid Canonical Chains

Don't point canonical A → B → C. Point directly to the final URL

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HTTP vs HTTPS

If your site uses HTTPS, canonical URLs should also use HTTPS

✅

WWW Consistency

Maintain consistency with WWW vs non-WWW across canonical tags

📚 User Guide - Canonical URL Checker

🎯 What is a Canonical Tag?

A canonical tag is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical" or "preferred" version of a web page.

🔍 How to Use This Tool

Single URL Check: Enter a URL and click "Analyze Canonical" to get detailed analysis
Bulk Check: Enter multiple URLs (one per line) to analyze them in batch
View Results: Switch between different tabs to see overview, detailed analysis, comparisons, and recommendations
Generate Tags: Use the Tag Generator tab to create proper canonical tags for your pages

📊 Analysis Features

Canonical Tag Detection: Checks if canonical tag exists in HTML
Self-Referencing Check: Detects if canonical points to the same page
Chain Detection: Identifies canonical chains (A→B→C)
Broken Link Check: Validates if canonical URL is accessible
Protocol Check: Compares HTTP vs HTTPS consistency
WWW Check: Verifies WWW vs non-WWW consistency
Multiple Canonicals: Detects if multiple canonical tags exist
Missing Canonical: Alerts when no canonical tag is found

💡 Tips for Best Results

Always use full URLs including protocol (https://)
Ensure the URL is accessible before analyzing
Use bulk checking for large-scale audits
Review recommendations for SEO improvements
Export results for documentation and reporting

🚀 Advanced Features

History Tracking: All analyses are saved for future reference
Export Options: Download results as CSV or JSON
Competitor Analysis: Compare your canonicals with competitors
API Integration: Simulated API endpoints for integration testing
SEO Tool Integration: Compatible with major SEO tools

⚠️ Limitations

This tool runs in the browser and cannot fetch external URLs directly due to CORS restrictions
For production use, integrate with a backend server or use browser extensions
Simulated results are shown for demonstration when actual fetching is not possible

🔗 Premium Canonical URL Checker

📝 Single URL Check

📋 Bulk URL Check

📊 Analysis Results

📜 Check History

💡 Canonical Best Practices