Our detectives are back with the following intel on this WordPress site
The site is using the Explore 360 Theme theme by Fredrik Öberg .
We could identify 2 plugins (there might be more) -
MailChimp for WordPress
This information was last updated 02 April, 2017
MailChimp for WordPress, the absolute best. Subscribe your WordPress site visitors to your MailChimp lists, with ease.