Target a specific URL
To display your popup on specific URLs, click the "Display" icon in the editor.
Open the "Pages" section and click "Select URLs".
Copy and paste your URL and select "Is equal to" in the drop-down menu.
Target a group of pages
If you have a group of URLs to target and you don't want to input them all, you can target a keyword using the "Contains" option. The popup will then appear on all the URLs that contain your keyword.
Target a subdomain or a subfolder
Use the "Starts with option".
For example, if you want to target your blog readers, you can target all the URLs that start with "blog".
The same works for subfolders:
URL exclusion works the same.
For example, if you want to exclude your contact page: