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Blocking controls for user-based data (Google Demand sources)

By default, all publishers allow Google Demand sources, including GDN and DBM, to show ads based on user interest categories and remarketing, and allow the use of non-signed in visitation information from their site to help create these interest categories. This setting applies across all of your inventory and targeting, at the product (web property) level. Please keep in mind that by opting out of showing interest-based ads, you’ll decrease the number of ads competing to appear on your website, and this may decrease your earnings. Use the following Ad Exchange controls to opt out of these settings.
  1. Click the Rules tab.
  2. From the sidebar, click Blocking
    To access this feature from DFP instead of Ad Exchange, select Inventory and then Ad Exchange rules and then Blocking.
  3. Click the appropriate syndication type sub-tab (for example, Display).
  4. Click your default rule to edit it.
    You must apply these settings to your existing default rule. You cannot apply them to a new rule.
  5. Click the User-based data (Google Demand sources) tab.
  6. You can allow or block data collection and targeting of ads:
    • Interest-based category ads: Choose whether to block Google Demand sources, including GDN and DBM, from showing ads based on user interest categories, and using non-signed in user visitation information from your site to help create these interest categories. This setting applies across all of your inventory and targeting, at the product (web property) level.
      Please keep in mind that by opting out of showing interest-based ads, you’ll decrease the number of ads competing to appear on your website, which may decrease your earnings. 
    • Remarketing ads: Choose whether to block Google Demand sources, including GDN and DBM, from serving remarketed ads. This setting applies across all of your inventory and targeting, at the product (web property) level.
  7. Click Save.

This control relates to the use of non-signed in visitation information. The Enable Google signed-in, cross-device personalized ads control allows Google demand sources to use signed-in Google user data from a publisher's Ad Exchange-eligible inventory to show personalized ads to signed-in users based on their interests, demographics, and Google account information.

For settings that apply to all other buyers, use the "Cookies and data uses (non-Google Demand)" settings.

Learn more about buy-side policies and enforcement

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