Google has opened a “resource centre” web site where its advertisers can learn more about click fraud.
Many consider a click fraud a potential threat to the company's main source of revenue: pay-per-click advertising.
The new Ad Traffic Quality Resource Center gives advertisers a single place to find Google's information about the problem, said Shuman Ghosemajumder, business product manager for trust and safety at Google.
In the pay-per-click format, advertisers pay every time someone clicks on their ads. Click fraud can means companies clicking on competitors' ads to drive up their ad spending, or web publishers clicking on their sites' ads to increase commissions.
With some organisations estimating click-fraud at over 30 percent in general, Google has gone on the offensive, stating publicly what it is doing and what is the extent of the problem in its own ad network.
For example, Google monitors its network for what it calls invalid clicks, which include not only malicious clicks but also innocent practices that may look like click fraud, such as clicking on an ad twice.
It has concluded that less than 10 percent of clicks on Google ads are invalid, and that only 0.02 percent are declared invalid as a result of advertisers' complaints.
Along the way, Google has locked horns at times with companies that provide click-fraud monitoring and measurement services, questioning the validity and thoroughness of their methodologies.
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