The Marketing4WiFi platform does not natively support embedding videos on splash pages.
The Drag and Drop Splash Page builder supports html editing of content blocks to allow for enhancements outside the current capability of the builder. The Classic Splash Page builder supports source code editing allowing for maximum customization.
If embedding a video on the splash page, please make sure to add any necessary domains to the walled garden of the hardware configuration.
GoZone does not support any splash pages with custom HTML editing.