Alt refers to the Option key ( ⌥ )
The keys used to move around the elements on a web page depend on the browser you are using.
To go to the next link or element:
To go to the previous link or element:
Press the above combinations repeatedly to get to the chosen link. The currently selected element is indicated with a blue highlight in Safari and Chrome and a dotted outline in Firefox.
Once the element you need is selected, you can trigger it by pressing the ‘Enter’ key on your keyboard.
In web forms there are specific keys for selecting radio buttons and checkboxes.
When you Tab into a form section that has a choice of radio buttons you can change your choice using the up and down arrow keys or the right and left arrows keys to select the next/previous radio button. After making your selection press Tab to move to the next section in the form.
Note: if you hit the Enter key by mistake the form is often submitted before you want it to be because the Enter key is set to trigger the form submit button.
You navigate between checkboxes using the Tab key.
Many websites use drop-down menus for selecting items from a list in a form or as ‘quick links’ to other sections of the website.