Optimon Ad Inspector

Optimon's Chrome Extension

Stop guessing. Instantly uncover ad delivery, bidding, and monetization issues on any GAM or Prebid-powered website. Optimon Ad Inspector is a real-time ad inspection and debugging extension designed for AdOps teams, publishers, media owners, and developers working with Google Ad Manager (GAM) and Prebid/Header Bidding. Works on any compatible website! Gain complete visibility into every ad slot directly from your browser. Instantly inspect ad unit details, analyze Prebid auctions, compare GAM and Prebid targeting, validate key values, and identify delivery or auction issues without leaving the page. From winning bids and CPMs to bidder response times, no-bids, timeouts, and targeting discrepancies, Optimon Ad Inspector helps you understand exactly what is happening behind every ad request and quickly pinpoint monetization issues. Key Features • Inspect Google Ad Manager ad units and delivery details in real time • Analyze Prebid auctions, bidder participation, and auction outcomes • View winning bidders, CPMs, response times, no-bids, and timeouts • Identify missing keys, targeting mismatches, and configuration issues • Validate ad implementations and troubleshoot delivery problems faster • Access all ad slot insights directly within the page Built for publishers, AdOps specialists, media owners, programmatic teams, and developers who rely on Google Ad Manager and Prebid to maximize advertising performance. Learn more at https://optimon.io