Exits from stage. The exits from stage metric is very similar to your time in stage metric, but it allows you to see how many potential customers you are completely losing in a particular stage. For example, if your potential clients spend a year on your email list before they buy (but most of them do eventually buy), that’s a time in stage problem. If people spend 5 days on your email list before they buy, but 98% of them unsubscribe within 5 days, that’s an exits from stage problem.
There are a number of different tools on the market today to help you track these and other metrics, though for most businesses Google Analytics represents the most comprehensive, easy-to-implement solution. Since it’s free, use the service’s funnel-tracking tools until you determine that you need something more advanced and then move on to another sales analytics program or a complete marketing automation program.
If you're wondering what a sales funnel is, simply imagine a real-world funnel. At the top of that funnel, some substance is poured in, which filters down towards one finite destination. In sales, something similar occurs. At the top, lots of visitors arrive who may enter your funnel. However, unlike the real-world funnel, not all who enter the sales funnel will reemerge out from the other end.