Publisher Debug

View and analyze your ad configuration

Publisher Debug (formerly HTL Debug) is a Chrome DevTools panel for ad operations teams and publishers. Open DevTools on any page and inspect its live ad configuration in one place — no console spelunking required. What you can see: • GAM/GPT — ad slots, rendered creatives, slot- and page-level targeting, and slot timing • Prebid — config, auctions at the slot level, user IDs, bidder params, floors, server, modules, and warnings • Amazon — header bidding (apstag) configuration and bids • Cloud Wrapper — whether Aditude Cloud Wrapper is present and initialized on the page • CMP / Consent — TCF, USP, GPP, and GPC signals • Ad requests — every GAM/Prebid ad request, filterable, with full details Plus: highlight ad slots directly on the page, multi-instance Prebid support, and automatic light/dark theming that follows your DevTools theme. Publisher Debug is built and maintained by Aditude, a leading ad technology provider for web and mobile app publishers. Learn more at https://www.aditude.com Terms: https://www.aditude.com/policies/terms Privacy: https://www.aditude.com/policies/privacy