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- Use ENTER to activate a link or a button. Use the spacebar to check a radio button or checkbox. Used the arrow keys to navigate through the options of a comboboxcombo box.
- The focus outline must be visible when tabbing: it can be the default browser outline (dotted line or blue border) or another style, as long as the user can see on which link the focus lands after each tab.
- The TAB-order should be logical. It should follow the visual order of the page: start at the top and generally go from left to right. Don’t use positive TAB index TABindex attributes. Focus management: When you have modal windows/ screen overlays, it is important that the focus of the application goes immediately to this part of the screen.
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