You like the ability of A/B and multivariate testing on your Volusion with Convert Experiments?
This is possible, read more below...
Convert Experiments Project Code
In Convert Experiments you need to find the tracking code from Project Settings as you see in the image below.
Add Convert Code to Volusion Ecommerce
To have an integration between the two platforms please go to DESIGN -> File Editor.
Find the template files for you system, using the shortcut top right in the menu
Paste in that area the Convert code. Below you see an example of where to paste the convert code.
Don't forget to save your changes in Volusion.