It is important to go through the guidelines of Adsense before you place ads on your site. Most free web proxy webmasters may just skip the reading. If you do not follow the rules set by Google, the consequence can be severe: your account is terminated and you are banned from Adsense. It does not need a rocket scientist to understand the Adsense guidelines, but sometimes some webmasters may get confused, and interpret them wrongly. So, I summarize the common mistakes made by free web proxy webmasters on Google Adsense placement. You need follow these five rules to keep your Adsense account safe.