Miva Merchant is a very powerful shopping cart platform. Because you can extend its functionality by installing 3rd party modules, the things you can do with it are almost limitless.

Part III – Advanced Analytics: Analytics for E-Commerce

This is part III of a three part series on Google Analytics. You can read part I and II here:

Part II – Advanced Analytics: Goal Tracking

One problem I've seen a lot recently is when a website gives you the “This page contains both secure and non-secure items…” warning.