There may be occasions where your Adsense ads are displayed on other websites without your knowledge. If it was subjected to click fraud, you will get banned without giving a hint about what happened. Therefore, another way to prevent illegal clicks is by using the allowed sites feature on Google adsense. Go to Google adsense > Adsense Setup > Allowed sites, and put all of your websites on hich you use Adsense ads. If a click fraud is reported from another site which you haven’t used to display your own Adsense ads, you can report Google that those sites haven’t been used by you to display ads.
Detecting illegal clicks soon before something happens is very important so take action quickly. Always see what’s happening on Adsense reports and your website statistics. Get the help of Adsense tracking software, and build up a good relationship with Google. These early steps will definitely help you to save a long-term asset for your website.