Account suspension for invalid activity or a policy violation
Google treats invalid click activity and policy violations very seriously. We analyze all clicks and impressions to determine whether they fit a pattern of use that might artificially drive up an advertiser's costs or a publisher's revenue. We also proactively review sites for policy violations. If we determine that an Ad Exchange account poses a risk to our ecosystem of publishers and advertisers, we may either disable or suspend that account and refund all account revenue along with Google’s revenue share to impacted advertisers.
Account suspension gives publishers time to investigate the source of the invalid activity or policy violation and take the necessary corrective action before the account is disabled. At the time of suspension, you will receive a notification with details about the suspension reason. If your account is suspended, you'll still be able to log in to your Ad Exchange account; however, no ads will be served during this period. After 30 days of account suspension, we’ll re-enable your account. Once your account starts receiving traffic again, we’ll review your account in another 30 days to verify that the invalid activity and policy violations have ceased.
We understand that you may want to know more about how we detect invalid activity. Because this information could be used to circumvent our proprietary detection system, we're unable to provide our publishers with information about specific account activity, including any web pages, users, or third-party services that may be involved. To help you identify the source of the problem, we’ve put together a list of our top reasons for account closure.
Lastly, we recommend learning how to segment your traffic, to help you best understand, monitor and evaluate the traffic to your site. This may also help you identify sources of invalid activity.