I am trying to find out how many people saw a sales page vs how many people signed up. The signup form is a Brevo form, but it is embedded in a sales page on my sales page. People gain access to the sales page via a submission to a bundle. So they click on the submission, they have a look at the sales page and t hey may or may not subscribers. I have the nr of optins from the list in Brevo. It is number of opens that is giving me grief. Is this possible? thanks!