Select the Chrome Menu (icon with 3 vertical dots) and then Settings > Show advanced settings > Privacy > Content settings > Pop-Ups > Manage exceptions.
Here you can enter our web address into the ‘Hostname Pattern’.
Select the tools menu (the gear symbol in upper right corner), then Internet options > Privacy > Settings.
Here you can add our web address in the ‘Address of website to allow’ field.
Select the Firefox Menu (icon with 3 horizontal lines) and then Options > Content > Pop-Ups > Exceptions.
Here you can enter our web address, click ‘Allow’ and save changes.
Press Command+Shift+K while on our site to bring up your pop-up preferences.