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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.
Header Bidding Inspector by BiddingStack
Inspect and validate Prebid.js Data such as AdUnits, bids and Consent Data on web pages. Header Bidding Inspector is adops tool for inspecting and validating header bidding setups. Designed for publishers, ad tech professionals, and marketers by Biddingstack ad platform. it provides an in-depth view of the Prebid.js configuration on any webpage. * AdUnits Overview: Easily list all AdUnits on the page to ensure proper setup and detect missing or misconfigured units. * Bidder Insights: Access comprehensive information on all bidders, including bid requests, responses, prices, winning bids, and latency, helping you evaluate the effectiveness of your header bidding partners. * Creative Codes: Get a complete list of ad creative codes to ensure the expected content is displayed. * Consent Data: Check the consent string data to ensure compliance with privacy regulations such as GDPR and CCPA, IAB TCF, GPP.
HTL Debug
View and analyze your ad configuration A powerful publisher ads debugging extension offered by Hashtag Labs for analyzing Google ad configuration (GAM / GPT), Prebid, HTLBID, Amazon header bidding, and consent management (CMP).
Ad Tracker v1.26 BETA
Provides a clean output of all GTM ad request/response info. Not compatible with AMP or video ads. By Mark Bland (C) 2025 Ad Tracker simplifies ad troubleshooting by providing detailed insights into ad calls and responses for sites using Google Publisher Tags. It displays key ad data such as: -Ad sizes and units -Key-value pairs -Advertiser, order, line item, and creative IDs -RTB/Header Bidding auction results How It Works: -Install the extension and load a website with ads in Chrome. -Click the Ad Tracker button in the bottom-left corner of your browser. -A popup window will display detailed ad call and response data. Features: -Easily view ad request details for troubleshooting or optimization. -Popup can be resized, moved, minimized, or reopened by reloading the page. -Designed for ad ops professionals, including publishers, advertisers, and agencies. Quickly access and analyze ad information directly in your browser on page load.
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.
