How google adsense catch invalid clicks?

Google adsense use some ways to trace your invalid clicks.

1.Google fit cookies when you enter in any of your google service. If you then clicks on your own ads then it is very easy to google to catch your invalid clicks. To find cookies go to "run" from start menu and write "cookies" then click "ok". You can also delete cookies (For internet explorer) tools > internet options > browsing history > delete > delete cookies.

2.When you sign in your adsense account google keep your ip address. Like gmail. When you log in to gmail they show your previous ip address in bottom of the window. So when they get that the ads click and your adsense account ip address is same then they'll investigate you for invalid clicks. You can see your ip address by start > command > write"ipconfig" > press "enter". If you use dial up connection then your ip address will change for every new connection.

3.By CTR and eCPM google can easily know about your account status. More CTR and eCPM give more chance to google to investigate your account.

4.If they see that the reader just click on ads and run away and then again click and it rapidly happen then it is cause for investigating.

5.If gogle find that this person or this computer is very much eager to click on this specific ad then it may be a cause for disable your account.

6.If google find that this page or website has no rich content or important content so why people come to this page or website?

7.If your website or page is not indexed in any search engine then how people come to this site and click on ads? You can submit your webpage in google search here.