Preloading screen
Here you can apply preloading screen or not for your store.
From your Shopify admin, go to Online Store -> Themes.
Find the theme that you want to edit, and then click Customize.
Click Theme Settings -> Preloading screen.
Setting
Description
Enable preloading screen
Select this checkbox to enable/disable preloading screen
Icon loading color
Set the color for the icon loading
Background
Set the background color for this block (If a background gradient is set, the section's background will be set according to the background gradient setting)
Background gradient
Set the background gradient for this block