Live header-bidding auctions, GAM targeting, and delivery type for every ad slot — overlaid on the page you're looking at. Ad ops without the spreadsheets.
This is how the extension works on a real page: click any ad slot and the sidebar breaks it into four diagnostic views — ad unit, GAM targeting, the Prebid auction, and a targeting diff. Try it below with simulated data.
The extension reads on-page delivery state into four diagnostic views. Pick one — or click the ad unit:
Built for publishers, ad ops specialists, and programmatic teams. Open the inspector on any site running Google Publisher Tag or Prebid.js and read the auction like an open book.
Header Bidding, Direct, Dynamic Allocation, GAM, or Unfilled — a badge on every slot, on the page itself. No line-item archaeology, no delivery-report exports: the answer is sitting on the ad.
Bidders, CPMs, wins, no-bids, timeouts, and response times per ad unit — recovered even when Prebid loaded late or cleared its state. The Prebid debugger that works on pages you don't control.
The full page-level and slot-level targeting sent to Google Ad Manager, labelled by scope. Catch the missing key or the mismatched value before it quietly costs you a line item's worth of revenue.
Connect your Optimon account and see ad-unit revenue, eCPM, impressions distribution, and top advertisers inline on your own sites — fetched securely through your own authenticated session, displayed only to you.
Whether you want a demo, a free audit, or just want to ask us something — we're a real team that reads every email.
We reply to every message within one business day. Enterprise enquiries typically get a call scheduled same-day.
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