I think it's worth considering the massive hurdle of making people replace their GA script code with one of your own. It's a hard battle that I think it makes s

I think it's worth considering the massive hurdle of making people replace their GA script code with one of your own. It's a hard battle that I think it makes sense not to pick, unless you really feel up for the challenge. The value proposition is the design, and you could always offer it as an optional choice - that you might force users to replace the GA-based script with at a later point.