AdStackLens - Ad Tech Stack Inspector
Inspect any site's ad tech stack — ad networks, header bidding, ad server slots, SDK data, and iframe hierarchies. For ad ops.
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AdStackLens reveals the complete advertising technology stack on any webpage — directly from your browser.
Hover over any ad element to see which ad network serves it, its size, and how it was detected. The detail panel shows live data from Prebid.js (bid responses, CPMs, bidder names), Google Publisher Tag (slot paths, targeting key-values), and Amazon APS (slot IDs, targeting parameters).
Two detection layers work together:
CSS selector matching finds ad containers from Google AdSense, Google Ad Manager, Amazon APS, Criteo, and more
SDK introspection reads runtime data directly from Prebid.js, GPT, and Amazon APS APIs
Built for ad tech professionals — publishers, ad ops teams, media planners, and ad tech sales.
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