How to view Statistics in Plesk

To view the reports on disk space and traffic usage by your account, perform the following steps:

1 – Logged in to Plesk.
2 – Go to Statistics.
3 – The following information is presented in charts:

Disk space used by the following files and directories in the subscription:
Websites
Mail accounts
Databases
Logs
Backups
Anonymous FTP directory

Traffic used by FTP, web, and mail services during the current month.
FTP field – shows the information about the total size of files transferred to and from the subscription over the file transfer protocol.
HTTP field – shows the information about the total amount of data transferred from all of your websites over HTTP protocol, that is, retrieved by web browsers.
POP3/IMAP field – shows the total amount of data received by all mail accounts under your domains.
SMTP field – shows the total amount of data sent by all mail accounts under your domains.