If you are receiving a disk space usage warning and don’t know which folder is using too much space from cPanel, you can manually check.
Login to your cPanel account.
In the
Filessection, click on thedisk Space Usageicon.
In the Disk Space Usage area, you can see which folder/directory is using too much space and you can even check the disk usage of MySQL.

How to Check Bandwidth Usage
in the
Metricssection, click on theBandwidthicon.
Now you can see the bandwidth usage of your domain.

How to Check the Usage of Bandwidth, Email Accounts, MySQL, Etc from a Single Place
Go to your cPanel’s main page.
On the left side of the cPanel, click on the
Statisticsicon. It will show the total bandwidth usage, MySQL, Email account limit, etc.