In general, scrolling with the mouse is the normal way to view information farther down a Web page. However, there are sometimes occasions when it is preferable not to use a mouse. It can be very convenient to use key combinations instead of removing hands from the keyboard.
To scroll down automatically, use Umschalttaste-↓. This scrolls down the page without further intervention. Increase the speed by pressing Umschalttaste-↓ again. Pressing Umschalttaste-↑ slows down. To stop scrolling, use ↓.