Site Lists
Site Lists group website domains for targeting across Campaigns and Lines. They are intended for Web inventory and can be applied as either an Allow List or Block List.
If no Site List is applied, domain targeting remains open by default, subject to any other Campaign or Line Targeting settings.

Create Custom Site Lists
- Navigate to the Inventory tab.
- Select New Site List.
- Name the new Site List.
- Enter each website on a new line.
- Include the applicable top-level domain, second-level domain, and subdomain when needed.
- Do not include the URL scheme, such as
https://. - Do not include page paths or subdirectories.
- Use wildcard targeting, such as
*.abc.com, when you want to target subdomains of a domain.
- Save the Site List.
Once saved, the Site List becomes available for use in Campaign and Line Targeting.
Use a Site List in Campaign or Line Targeting
Site Lists can be applied at the Campaign and/or Line level.
- Open the applicable Campaign or Line in Edit Mode.
- Navigate to Targeting.
- Select Edit Targeting.
- Open Inventory > Site Lists.
- Search for the Site List by Name.
- Select the green plus sign (+) to add the Site List.
- To remove a Site List from targeting select the red minus sign (-).
- Select how the list should be applied:
- Allow List: Limits eligible Web inventory to domains included in the Site List.
- Block List: Prevents the Campaign or Line from serving on domains included in the Site List.
- Save the Targeting changes and submit the Campaign or Line update.

If Site List Targeting is applied at both the Campaign and Line levels, the settings are evaluated together. The resulting inventory must satisfy the applicable Targeting requirements at both levels.
Example: If a Campaign Allow List includes example.com and publisher.com, but the Line Allow List includes only example.com, the Line is effectively limited to example.com.
Wildcard Example: *.abc.com can be used to target subdomains such as news.abc.com, sports.abc.com, and www.abc.com.