One current limitation of Sitespect is that the data it captures is numeric. For example, it will not capture a department name variable such as supplements. The workaround is that a user can create a supplement department value capture that fires as 0 or 1. For companies with very large numbers of departments the workaround can be a time consuming process.
Sitespect has been used extensively within our organization to drive measurable improvements in ROI via traditional AB and multivariate testing. We also use it to validate the integrity of major site releases to ensure an optimal user experience.