Half of Google Adwords Traffic is from Worthless Link Farms

west-wind.com — A couple of months ago I started in earnest tracking the advertising hits that Google generates for me. And what I found is not a happy picture. About 30-40% of the traffic generated - ie. the traffic that I pay for - comes from link farms, that is Web pages that have nothing more than a bunch of links that redirect to Google Adsense links... Apr 7, 2008 View in Crawl 4