Are all interactive elements keyboard accessible?

Keyboard accessibility is a critical aspect of web design, ensuring that interactive elements can be operated using only the keyboard, without relying on a mouse or other pointing device. Here are key considerations to ensure all interactive elements are keyboard accessible:

1. **Focus Management**:
   - Ensure that interactive elements (links, buttons, form controls) receive keyboard focus in a logical order. This means users can navigate through elements using the "Tab" key and navigate backward using "Shift + Tab".
   - Use the `tabindex` attribute sparingly and only when necessary to control the focus order.

2. **Interactive Elements**:
   - All interactive elements should be operable with the keyboard. This includes buttons, links, dropdown menus, checkboxes, radio buttons, and sliders.
   - Use semantic HTML elements (`<button>`, `<a>`, `<input type="checkbox">`, etc.) appropriately to ensure they are natively keyboard accessible.

3. **Keyboard Navigation**:
   - Provide visible focus indicators (`:focus` styles) to highlight which element currently has keyboard focus. This helps users navigate the site more easily.
   - Ensure that interactive elements are reachable and operable using standard keyboard shortcuts, such as Enter to activate buttons or Spacebar to toggle checkboxes.

4. **Forms and Form Controls**:
   - Use `<label>` elements to associate text labels with form controls like text inputs and checkboxes. Clicking on the label should focus the corresponding input field.
   - Use `<fieldset>` and `<legend>` to group related form controls and provide context for users navigating with assistive technologies.

5. **Dropdowns and Menus**:
   - Dropdown menus and navigation menus should be accessible via keyboard navigation. Ensure users can open and navigate through menu items using arrow keys and close them using Esc.

6. **Modals and Dialogs**:
   - Modal dialogs and pop-ups should be keyboard accessible. Users should be able to open, close, and interact with modal content entirely via keyboard commands.

7. **Testing and Validation**:
   - Perform thorough keyboard accessibility testing using tools like keyboard-only navigation and screen readers to ensure all interactive elements are accessible.
   - Validate your implementation against accessibility guidelines such as WCAG to ensure compliance.

By prioritizing keyboard accessibility in your design and development process, you ensure that your website is inclusive and usable for all users, including those who rely on keyboard navigation due to motor impairments or other disabilities. This commitment to accessibility helps improve overall user experience and compliance with accessibility standards.