Have you think about how do google know that this is a Valid or Invalid AdClick? Google Adsense serve a large number of ads and it necessary to findout the fraud or invalid clicks on ads. Here is a Google Invalid Clicks Tracking Methods below which helps everyone to understand that how google can trace your clicks. Google can easily track you and collect your behaviour and data which you have browsed. Google is a leading ad company and manage everything very smartly.

As you know that Google Adsense allows to earn from valid clicks or page impressions. Ads are automatically distributed according to page materiel. Google adsense is very popular become Bloggers and everyone willing to get Adsense account. Many users making fraud clicks and try to earn easy money. But they often get banned because of Invalid Clicks method by Google.