How can I set MIME type for my site?

Control Panel V3 > Hostings > Advance
Please follow the instructions below to set MIME type on your site.

1. Login to your hosting control panel.
2. Go to Advance.
 
3. Fill the file extension which you want set MIME type in 'File extension' box, and fill the MIME type for that file, then click 'Add' button.