Canonical Checker
Check for missing, duplicate or conflicting canonical tags
Check your input
Enter your data below and click Check to get instant results.
Example result
This is a sample of what your results might look like. Actual results depend on your input.
Canonical tag found and self-referencing — OK.
How it works
URL, keyword or form data depending on the tool.
The tool analyzes your input using live data and heuristics.
Each finding includes evidence, severity and a recommended fix.
Turn findings into actionable tasks in a free SoarTask workspace.
Limitations and data sources
- This tool uses heuristic analysis. Results are estimates and should be validated with live data.
- Single-page analysis. Full site crawl requires a free workspace.
- We do not store raw page content longer than necessary for analysis.
Frequently asked questions
Is the Canonical Checker free to use?
Yes. The Canonical Checker is free. You get basic results without signing up. Export, save history and create tasks require a free workspace account.
Do I need to install anything to use the Canonical Checker?
No. All tools run in your browser. Enter your URL or data and click the button to get results instantly.
Does the Canonical Checker store my data?
We process your input to generate results. We do not store raw page content longer than necessary. See our privacy notice for details.
Can I use the Canonical Checker for multiple websites?
Yes. You can run the tool for any public URL. To monitor multiple websites continuously, create a free workspace and connect your sources.
How accurate are the results?
The Canonical Checker uses heuristic analysis and live data where available. Results are estimates and should be validated with live data from Google Search Console or GA4.
Related tools
Turn findings into finished work
SoarTask helps you prioritize findings, assign owners, track implementation and recheck with live data after fixes.