Websites that let anonymous users create and/or upload content can cause significan't overuse of resources on your hosting account.
Here are some common causes of this on a Website or application:
You can correct any anonymous user issues by following one or more of these steps:
If you are still experiencing issues with resource usage, review your hosting for other possible causes at Common causes for resource overusage (Linux).
You will want to make sure that you are correcting the underlying cause to any resource issue. Simply removing Websites and/or files without correcting the underlying issue can cause the problem to recur.