Your probably reading this article because you use Google Adwords to bring traffic to your website, or your a click fraudster yourself, wanting to see what kind of information I have for you. Most of you click fraudsters will think that I have no idea what I am talking about, and that I do not know your methods. Well, trust me buddy, I KNOW ALL ABOUT YOU AND WHAT YOU DO.

If you are new to the click fraud scene, here is an example:

1. Scumbag puts Google adsense ads on his website.

2. The scumbag then proceeds to cheat Google adsense by creating false clickthroughs and impressions, in return earning him a pretty nice profit, because he isn't even working on his website, just generating false traffic.

All of you people that run campaigns through Google Adwords are thinking, "This guy has no idea what he is talking about, Google has everything under control and they even state so publicly!"

WOW! What kind of pay per click company would admit that they DO NOT have click fraud under control? I wonder what would happen to their Business immediately following that statement.

Estimates say that nearly 20% of all clicks for adsense are illegitimate. In my honest opinion I believe this number to be around 30-35% from some of the things I have seen.

Alrite, now the big question, how are they doing it?

There are a number of ways that people are cheating, including the 'click groups' from India that click on your ads for you and create big pay checks as long as you pay them their $0.50 an hour so they can buy bread for their family.

But I'm going to show you the technical way that Google Adsense is cheated, not poor people clicking ads. I'm talking about extremely smart programmers that create hitbots to cheat adsense. And, NO, I'm not talking about that piece of garbage 'CACA' or Clicking Agent that you find on Google. I am talking about PRIVATE programs and scripts that are only used by private groups.

How do these scripts get away undetected you ask?

Simple, let's actually take a look at Google's click fraud protection (This is what I have summed up, I seriously don't believe they have anything other protection because people are still cheating using these methods as you read this article.)

If you actually take a look at Google's adsense code when it is on your webpage you will find the URL that is used to retrieve ads. (Right-Clck your ad Iframe and click 'View Page Information' or something similar.)

Here is an example of the URL that you will find:

http://pagead2.googlesyndication.com/pagead/ads?client=ca-pub-2521202633232871&dt=1124847235453&lmt=1124631699&format=468x60_as&output=html&url=http%3A%2F%2Fwww.yoursite.com%2F&color_bg=ECF8FF&color_text=000000&color_link=0033FF&color_url=0033FF&color_border=DDAAAA&cc=59&u_h=768&u_w=1024&u_ah=738&u_aw=1024&u_cd=32&u_tz=-240&u_java=true

Now let's decode this up a little bit, shall we?

client=ca-pub-2521202633232871 - Your client code, this tells Google who to assign the click-through money to.

dt=1124847235453 - Javascript, if you use the command google_date = new Date(); document.write(google_date.getTime()) --- Which generates 1124847235453.

This shows you the number of milliseconds since midnite January 1, 1970. This is what seems to be Google's biggest automated proxy clicker fraud prevention. Doesn't seem too hard to generate with 2 lines of code now does it?

lmt=1124631699 - The last time your webpage was updated. LMT stands for Last Modified Time, pretty easy Javascript to generate this one too - document.write(document.lastModified); --- Which generates 1124631699.

(Notice I'm skipping a bunch, that's because they are just showing the type of ad, colors, and size that you are using.)

cc=59 - Seems to be some random number based on the screen width, height, and color scheme. I've seen this number go from 20 all the way up to 400. I'm sure they don't use this to reliably track click fraud.

u_h=768 - Height of your screen se

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