We need to test your particular website to see the reason of slow popup launching. That's why we have submitted a request for you to provide us with information about your website and server.
Preload Widget Option enables loading selected widget with whole website process. This option affects website loading time that's why we recommend to select important widgets for this purpose.
Auto Load Option means that slideshow would be enabled automatically as page with gallery is loaded.
Start Option allows to select an image from which the slideshow begins.