This method of finding cheaters is based on link parameter. You add an ordinary parameter &link= in each link on website and stats show that lets says serfers click on link1 - 35%, link2 - 20% on the average and so on. If the personal statistics of a trader differs a lot from the average statistics on site – it’s a good reason to take a closer look at this trader. Discrepancy parameter means what the difference between trader’s statistics and the site average statistics should be to be shown on the list.