Checking web pages with the keyboard

Navigation with the Tab key: Start the navigation on the web page by using the Tab key. Make sure that all interactive elements such as links, buttons and form elements are accessible via tab.
Focus indicator: Make sure there is a visible focus indicator to show which element is currently active. This is especially important for users who cannot use a mouse.
Space bar: Check if the space bar can be used to activate buttons or open drop-down menus.
Enter key: Test if the Enter key can be used to open links or submit forms.
Alternative access: Ensure there are alternative methods to access certain functions for users who may not be able to use a mouse.
Keyboard navigation in complex elements: Test keyboard navigation in complex elements such as drop-down menus, modal dialogs or interactive widgets to ensure they are accessible to keyboard users.
User friendliness: Check the usability of keyboard navigation by ensuring that the order of navigable elements is logical and that users can easily navigate between them.

By carrying out this testing process, you can ensure that your website is accessible and provides a good user experience for users who rely on keyboard navigation.