Saturday, May 5, 2012

What you need to know about Click Fraud

By Rui Ludovino


Users of AdWords or AdSense would definitely know what "click fraud" is all about. But what exactly is click fraud and how is it accomplished? Well AdSense uses a payment mechanism that awards a certain amount of money to a publisher (someone with an AdSense banner on their website) every time a person clicks on the ad. So click fraud is something that people do in order to make extra money.

There are many people setting up websites just to manipulate this to make money for their own. These users achieve an incredible number of clicks through many methods. Some are complex methods, some are sophisticated and some rudimentary and simple. One of the most complexes is through the use of so called "hitbots". These are automated programs who emulate clicking the links in AdSense banners. Google's AdSense protection scheme is by no means perfect and anyone can find a loophole just by doing a search on Google.

Another, more rudimentary method is to hire a lot of people in a poor country to click the links on your site. This means these people will actually sit all day and just click links so you can earn a fortune. They come from very poor countries like India, and they're prepared to do so for just $0.50 an hour. Of course, there's a problem with this mechanism. Once Google receives a large number of clicks from a single address, the address and the site that had the AdSense banner will be banned, and the illicit behavior might even get the fraudster sued. To prevent this from happening, many people use a large number of proxy servers for the purpose of clicking. These are basically trojans, located on computers throughout the world (though mostly in the US). What's even more daunting is that these clicks will appear to originate from an actual computer so such scams are really hard to detect.

And don't think this happens only in isolated instances. There is a great deal of illegal activity in this domain. In fact there's so much that if search engine companies don't increase their security with such programs as AdSense, such criminal behavior could become more become even more damaging. Google has a very strict policy regarding click fraud, and it has sued those employing such techniques in the past. But while the search engine giant tries its best to minimize the risk of click fraud there's certainly room for a lot of improvement.

Calculations have shown that more than 20% of the clicks that follow an AdSense link are just done in order to get money from the person paying for the ad. Some people believe the number of fraudulent clicks to be even twice as large. There is a lot of click fraud organizations such as groups of AdSense publishers clicking each other's links (which is referred to as "clicking rings", or spamming people so that they click such links.

Even though Google is still holding click fraud on a leash, this issue is certainly still raising concerns for the advertisers on AdWords, but despite this advertising with Google's AdSense still remains more profitable for the advertiser, as opposed to traditional untargeted advertising schemes. Advertisers can always employ certain service to protect themselves from this. Many advertisers choose to avoid the content network all together for fear of click fraud.




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