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Explore Prebid and GAM auction details for display and video. Check the web page GDPR TCFv2 readiness. See header bidding auction details for Prebid and Headerlift for all slots in all iframes found on the page. Multiple Prebid instances in the same frame are also supported. **Bonus Feature** Click a slot name in the Top frame and if visible, the slot will be highlighted on the page. Notes and limitations: - CPM price of Google's bids is not available because Google Ad Manager doesn't expose it in the bid response. - The winner of the video ad slot auction is currently not available. - If there is an ad slot showing an ad but the extension reports "no bids in the last auction" then if the web page has a regular ad refresh configured the ad displayed most likely comes from a previous auction. - If there are bids for an ad slot but no bid is marked as winner, please check the ad server pricing rules.
PubMatic PA Debugger
This Chrome extension helps debug publisher sites where both Prebid.js and Protected Audience (PA) auctions occur on the same page. It maps PA auctions to GPT ad slots also used in Prebid.js auctions, offering insights into ad unit configurations, SSP/seller identification, bid details, interest group insights, and auction winners. It also includes a detailed timeline and efficiency analysis of auction events.
Ad Manager Viewability Insights
A DevTools extension for inspecting the viewability of Ad Manager Ads Ad Manager Viewability Insights is a open-source DevTools extension to help to improving the viewability and quality of fixed and dynamic ad slots of webpages. This tool is a extension for the Chrome DevTools, an set of web developer tools built directly into the Google Chrome browser. Note: We are currently in beta and still in the development process. In order to help us improve please let us know of any issues or suggestions you may have. ⚠️ Ad Manager Viewability Insights results aren't an indication of compliance or non-compliance with any Google Publisher Policies.
AdsTxt Inspector
Verify and analyze the Ads.txt and the corresponding Sellers.json entry. The essential tool for programmatic advertising transparency and compliance. AdsTxt Inspector automatically validates Ads.txt/App-ads.txt and Sellers.json files, helping publishers, ad tech companies, and marketers ensure advertising transaction integrity. 🔍 COMPREHENSIVE VALIDATION - Instant detection of syntax errors and duplicate entries in Ads.txt/App-ads.txt - Complete App-ads.txt support for mobile/CTV app inventory validation - Cross-reference validation with Sellers.json entries - Relationship verification between publishers and sellers 📊 IN-DEPTH ANALYTICS - Visual dashboard with supply chain overview - DIRECT vs RESELLER relationship distribution - Seller type classification (PUBLISHER/INTERMEDIARY/BOTH) - Risk assessment for compliance issues 📋 POWERFUL REPORTING - Detailed error explanations with line references - Interactive filtering and search capabilities - Export findings to CSV for further analysis - Download corrected Ads.txt/App-ads.txt with errors commented out 💼 BUILT FOR PROFESSIONALS - Intuitive three-panel interface (Summary, Details, Sellers) - Domain-specific analysis with one-click operation - Confidential and passthrough seller identification - Supply chain path visualization 🔒 PRIVACY-FOCUSED - All processing happens in your browser - No data sent to external servers - Only analyzes publicly available files - No tracking or analytics collection Perfect for publishers verifying their Ads.txt/App-ads.txt setup, ad tech companies checking partner relationships, and advertisers ensuring supply chain transparency.
AdTech Ad Inspector
AdTech Ad Inspector allows you to monitor and view Google Publisher Tag (GPT) ad units and their associated targeting on web pages. AdTech Ad Inspector allows you to monitor and view Google Publisher Tag (GPT) ad units and their associated targeting on web pages (such as ad unit code, ad size, and custom targeting), The extension should work on all GPT instances that utilise the standard ad tagging library. AdTech Ad Inspector builds upon the foundations of the Forbes ad inspector project and further enhances it with bug fixes and all new features including: Google Ad Manager Real-time view of Google Ad Manager ad delivery, ad units, page and slot targeting. JW Player Overview of your JW Player instance, including ad delivery and config data. Prebid.js Comprehensive view of your prebid.js header bidding auctions and bidders. Lotame (DMP) Overview of your lotame instance, including audience segments, ID and config data. Permutive (DMP) Overview of your permutive instance, including audience segments, ID and config data. This application uses Open Source components from the Forbes Ad Inspector project. We acknowledge and are grateful to these developers for their contributions to open source.
