That’s a massive problem. And it’s one that organic search traffic solves. If you want to correlate your marketing efforts with a solid ROI, pay particular attention to where your customers are coming from. If you know where they’re coming from, you can calculate what you invest in each marketing channel, and what return it yields for your business. Some people believe that PPC is better for calculating ROI because it’s more measurable. That’s misguided. You CAN determine what an organic visit is worth to your business in terms of a hard dollar value.
At our agency, we work with sites of varying sizes, from very large to quite small, and recently, we have noticed a trend at the enterprise level. These sites aren’t relying as much on Google for traffic any more. Not only are they not relying on Google traffic, but also, the sites are getting less than 10 percent (or slightly more) of their organic traffic from the search giant.