Using the Wii U GamePad touch screen you can:
Touch toolbar options and website links to select them
Double-tap to zoom in and out of the place you touched
Slide the stylus across the screen to scroll through the web page

Surf simply

Navigate the 'net with simple controls on the Wii U GamePad. Scroll pages, change tabs and type messages on its touch screen.
Using the Wii U GamePad touch screen you can:
Touch toolbar options and website links to select them
Double-tap to zoom in and out of the place you touched
Slide the stylus across the screen to scroll through the web page
Using the Wii U GamePad buttons and control sticks, the following browser controls are available:
Browser Screen Controls
Scroll through a web page Move the Left Stick
Hide/unhide the toolbar Press the Left Stick like a button
Analogue zoom Move the Right Stick
Zoom in to/out from the centre of the screen Press the Right Stick
Select a link from the current web page Press the +Control Pad
Confirm a selected link Press the A Button
Open in a new tab Hold the A Button
Back Press the B Button
Close the selected tab Hold the B Button for a few moments
Zoom in Press the + Button
Zoom out Press the - Button
Back/Forward Press L/R Buttons
Scroll through open tabs Press the ZL/ZR Buttons
Close/open the curtains Press the X Button
Open the curtain with a drum roll Hold the X Button
Display the bookmark menu Press the Y Button
Tilt scroll Hold the ZL Button and the ZR Button and tilt the Wii U GamePad
Exit the Internet browser Press the HOME Button
Image Preview Controls
Scroll Move the Left Stick
Hide/unhide the toolbar Press the Left Stick like a button
Analogue zoom Move the Right Stick
Zoom in Press the + Button
Zoom out Press the - Button
Close image preview B Button
Video Playback Controls
Hide/unhide the toolbar Press the Left Stick like a button
Play/pause video A Button
Rewind/fast-forward left/right on the Left Stick or +Control Pad
Cancel video playback B Button
Rewind/fast-forward a specific amount L Button/R Button respectively
Initiate fast-forward playback Hold the R Button