Whenever you need to test an ad before signing a deal, follow these steps:
- Login to your GAM account.
- Create a new Order
- Create a new Line Item.
- Create a key named ‘pageID’ and give a unique pageID to the tag of your test page.
- Target this test page with Key-Value Targeting.
- Save and upload the creatives.
- Paste the code in the case of Third-Party Tag and enter the target ad unit size in the ‘Size’ field.
- Under the ‘Preview’ tab, select ‘On Site’.
- Enter the URL of the page that contains your test unit and click ‘Open Preview’.
- A new page will appear with the test creative. The URL of this page can also be shared with anyone who wishes to see the demo.