Pressing the Tab button repeatedly will help you navigate between the various links and areas in the page.
Activation of shortcut buttons depends on the browser you’re using:
For Internet Explorer, Google Chrome and older versions of Firefox, press Alt and a number button or a letter according to the list. For Firefox 3 and over: press the buttons Alt + Shift + number or letter.
Provides optimal magnification for any eye-point, from x 1 (8 micron/pixel) to x 8 (1 micron/pixel)