For migrating WordPress websites, WP NET recommends:
- BackupBuddy - Our favourite. Read our BackupBuddy Guide (Premium / paid version only)
- Duplicator - Premium / Paid version also available
- UpdraftPlus - Premium / Paid version also available
Database migration only:
* WP Migrate DB Pro developer license includes an add-on that will migrate your Media Libary as well.
For safety backups of your hosting data, with easy restore -- we recommend you use the Plesk Backup Manager.