While Lively Wallpaper isn’t the only live wallpaper app for Windows, it’s the best free option I’ve found, and it has one especially neat trick: You can turn any website into a live desktop ...

This is because Lively uses WinUI 3 to draw its UI elements, while Wallpaper Engine uses a custom UI. It's certainly functional, but Lively is instantly more welcoming to use thanks to that.