this is critical. If we are engaging the visitor with copy/visuals/buttons/placement on page, we need to A/B test it. Every other offer of similar functionality knows this. Optimonster, Hellobar, Admiral VRM, etc.
Heck, I’d even like to be able to A/B test your own offer of where to place the popup, bottom left, top, etc. Please address. Modern marketing is based on the data tell us what works.