Click Fraud Keeps Rising, Up 15 percent in 2007

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click-fraud-chart-1.pngClick Forensics has some data out on click fraud (clicks on Internet ads that are not real) in the fourth quarter of 2007 and for the full year. The industry-wide average click fraud rate for the entire year went up 15 percent, ending the year with 16.6 percent of all clicks on Web ads being fraudulent. The click fraud rate for search engine ad networks alone, including Google AdSense and Yahoo Publisher Network, grew even more. That was up 47 percent in the fourth quarter, ending the year with a 28.3 percent click fraud rate. According to this data, nearly one out of every three clicks on a Google or Yahoo ad is fraudulent.

While the year-over-year growth is cause for concern, the click fraud rates remained pretty steady compared to the third quarter of 2007, when the overall click fraud rate was 16.2 percent and the search-engine click fraud rate was 28.1 percent (see charts above). One quarter does not make a trend, but could the click fraud rate be leveling off? One can hope. If Google can ever get that rate to actually go down, maybe its stock will shoot up again.

Click Forensics also published the handy heat map below showing the countries where the most click fraud is originating. (Red is bad, green is benign). The biggest sources of click fraud are India (4.3 percent), Germany (3.9 percent), and South Korea (3.7 percent). Mexico is also in the red.

clickfraud-chart-2.png

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