Working :
www.novartisfoundation.org [We have not created any custom pop-up, so the default pop-up will be shown. from ext pop settings]
https://www.novartisfoundation.org/transforming-population-health [We have created a custom external pop-up, so the custom pop-up will be shown.]
https://www.novartis.com/za-en/patients-and-caregivers/novartis-commitment-patients-and-caregivers [We have created a custom external pop-up, so the custom pop-up will be shown.]
www.google.com [default pop-up from ext link settings]