Traffic is very important to ones website. But if you can't determine what type of traffic it is, you might just sending information those people that might not interested in your offer.
That's why many consider doing split testing. The thing though is that, split testing takes time and needs more careful attention in terms of analytics details.
The good news is that, WP Traffic Filter WordPress Plugin solve that specific issue and help many webmasters, online business owners and internet marketers determine the type of visitors that their website generated. How cool was that?

Product Terms:

[YES] Can be used for personal use
[NO] Can be sold
[NO] Can be packaged with other products
[NO] Can modify/change the sales letter
[NO] Can modify/change the main product
[NO] Can modify/change the graphics and ecover
[NO] Can be added into paid membership websites
[NO] Can put your name on the sales letter
[NO] Can be offered as a bonus
[NO] Can be used to build a list
[NO] Can print/publish offline
[NO] Can be given away for free
[NO] Can be added to free membership websites
[NO] Can convey and sell Personal Use Rights
[NO] Can convey and sell Resale Rights
[NO] Can convey and sell Master Resale Rights
[NO] Can convey and sell Private Label Rights