Use GoodSync synchronize MWeb's static websites to FTP,SFTP,WebDAV,Amazon S3 automatically
GoodSync syncs files between your computer, mobile devices, FTP, SFTP, Amazon S3, Google Drive, SkyDrive, WebDAV, Azure.
Download and install GoodSync
Go to http://www.goodsync.com/ download GoodSync and install. I checked "Do not setup GoodSync Connect" and finish install.
Click "Create a New Job" button to create a new synchronize job.
Select sync path
Select MWeb build site path for the left panel.
If you didn't change MWeb build site path,the default path is:
file:///Users/You Account/Library/Containers/com.coderforart.MWeb/Data/Documents/MWeb/LocalData/Site
To find this path, you must checked Show hidden Files/Floders
.
Select sync to path
Select sync to path for the right panel.I choose sync to FTP.

Enable automatically synchronize
Click "auto" button,enable On File Change: Analyze,Sync. Click "OK".

All is OK!!
When you click "Build site" button in MWeb, GoodSync will automatically synchronize your static website to FTP.