What This Tool Does
Look up websites observed displaying a specific AdSense publisher identifier on their homepages, with the provider-reported sample and count. It displays provider-reported information and clearly distinguishes unavailable data from measured results.
How to Use the Results
A matching publisher ID is a technical association, not proof that websites share the same legal owner. Coverage may be incomplete.
Why This Check Matters
Focused checks help website owners and agencies identify specific improvements without confusing one metric with an entire SEO strategy. Review the evidence, compare it with the live page, and prioritize changes that improve clarity, accessibility and user experience.
Related Free SEO Tools
Continue with the SEO Audit, AI SEO Audit, Backlink Checker, Google SERP Analysis, Content Extractor, and Free SEO Tools Directory.
Frequently Asked Questions
Is the Reverse AdSense Lookup free?
Yes. You can use it without creating an account. Rate limits protect the available API credits.
Does a match prove common ownership?
No. It indicates an observed publisher ID match, not verified ownership.
Can I analyze a competitor?
You may analyze public information, subject to the provider’s coverage and the website’s access restrictions.
What other SEO checks should I run?
Use SEO Audit, AI SEO Audit, Backlink Checker and the Free SEO Tools directory to continue your investigation.