Zooming and Scrolling

Zoom in or out: 

Double-tap a column on a webpage to expand the column. Double-tap again to zoom out.

You can also pinch to zoom in or out manually.

Scroll around a webpage: 

Drag up, down, or sideways. When scrolling, you can touch and drag anywhere on the page without activating any links.

Scroll within a frame on a webpage: 

Use two fingers to scroll within a frame on a webpage. Use one finger to scroll the entire webpage.

Scroll quickly to the top of a webpage: 

Tap the status bar at the top of the iPhone screen.