PubSpy.io

Find AdSense Publisher IDs on websites and discover domains using the same AdSense ID. Domain checker extension.

PubSpy helps detect AdSense publisher IDs on supported webpages and discover related domains using the same AdSense ID. It is built for publishers, marketers, and researchers who want a faster way to inspect monetization signals. KEY FEATURES • AdSense ID Detection - Detect individual publisher IDs on supported pages • Domain Discovery - Discover related domains using the same AdSense ID • Traffic Insights - View traffic estimates for discovered domains when available • ads.txt Checks - Inspect ads.txt relationships such as DIRECT and RESELLER • CSV Export - Export displayed domain results to CSV • Smart Caching - Reuse cached results for faster lookups CORE FUNCTIONALITY • Detect AdSense publisher IDs from webpage HTML • Query supported services for related domain information • Display traffic metrics when available • Check ads.txt when available on the current site • Export discovered domains, traffic data, and registration data when available • Cache results locally for faster repeat lookups USE CASES • Research AdSense implementations • Analyze website networks • Study publisher relationships • Review monetization signals • Explore related domains for competitive research HOW TO USE 1. Visit a webpage that uses AdSense 2. Click the PubSpy extension icon 3. View the detected publisher ID and related domains 4. Export the displayed results or open additional research links PRIVACY • No user tracking • Stores cache and recent lookups locally • Sends publisher IDs or domains only to the services needed for requested lookups • Uses only the permissions required for page analysis, storage, tabs, and CSV downloads ADDITIONAL FEATURES • Filters platform accounts such as ca-host-pub • Automatic ads.txt checks when available • Search history tracking • CSV export for displayed results • Open multiple discovered domains