Referring Domains Checker — Free SEO Tool
External domain diversity signals. Get a clear score and recommendations in plain language.
Run Referring Domains Checker
Enter a full page URL to start the analysis.
About this tool
Shows unique external domains referenced on the page as a diversity signal and guides you toward real referring-domain tracking.
Tips for better results
- Use the final public URL (not a staging login page).
- Fix critical issues first, then re-run the same tool.
- Combine this check with the main pillar analyzer for a wider view.