If somebody were to tell you that up to 20% of what you spend on pay-per-click advertising may be wasted due to fraudulent activity, would you be worried? If you advertise on pay-per-click search engines, such as Google AdWords, Yahoo! Search Marketing, Microsoft adCenter and others, then you have a reason to be concerned.

According to industry metrics, up to 20% of all pay-per-click traffic delivered to advertisers from search engines originates from fraudulent sources. And it’s up to the advertiser to deal with the problem.

Causes (more…)

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