Ad Manager Viewability Insights is an open-source DevTools extension designed to help improve the viewability and quality of fixed and dynamic ad slots on webpages. This extension is specifically built for the Chrome DevTools, a set of web developer tools integrated directly into the Google Chrome browser.

With Ad Manager Viewability Insights, web developers can easily inspect the viewability of Ad Manager Ads and gain valuable insights into their performance. The extension provides a range of features to assist in optimizing ad viewability, including the ability to analyze fixed and dynamic ad slots, identify potential issues, and make data-driven improvements.

It is important to note that Ad Manager Viewability Insights is currently in beta and still undergoing development. The developers welcome user feedback and suggestions to help improve the extension and address any issues that may arise.

Please be aware that the results provided by Ad Manager Viewability Insights do not indicate compliance or non-compliance with any Google Publisher Policies.