Amazon Ad Server will be sunset in Q4 2024, please visit this page (AAS offboarding information) for offboarding support resources and sunset FAQs. Details shared on that page represent the most up to date information in the Help Center, if you find disparate information in other resources please default to the information in the AAS offboarding information page accordingly.



The Tag Manager feature includes a Chrome™ browser extension that allows users (Customer Success Manager, trafficker, or an agency/advertiser analytics expert) to analyze retargeting cookies that exist on the browser and understand the current navigation journey.

To install the Chrome extension, see Installing the Chrome Extension.


Note: This extension works in the Chrome browser only.

How does it work?

If there are retargeting cookies set on the browser, this tool displays data about the retargeting cookies, such as advertiser ID and name, retargeting activity ID and name, and value.



Important: Before you begin, confirm that the pages that set the retargeting activities are either running without the Chrome extension, or while the Chrome extension Data Collection mode is set to partial. For more information, see Test Amazon Ad Server advertiser tags on a web page .


Note: This tool only works for Amazon Ad Server (AAS) Retargeting cookies.

  1. Navigate to a web page.

  2. Click the Chrome extension icon and select Retargeting Cookie Analyzer.

  3. Log into AAS.

    The following pane appears and displays the cookies for users' browser navigation histories.

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