Which principle emphasizes website functionality for all users?

The principle that emphasizes website functionality for all users is the operable principle. This principle focuses on ensuring that all interface components and navigation are accessible to users, which includes those who may have disabilities. It addresses the necessity for users to interact with the website effectively, providing a seamless experience regardless of their abilities or the tools they use, such as screen readers or keyboard navigation.

For instance, an operable website means that all buttons, sections, and interactive elements can be accessed or activated using various input methods, not just a mouse. This supports users with mobility impairments who may rely solely on keyboard navigation or other assistive technologies. By ensuring that all users can operate the website effectively, the operable principle plays a crucial role in fostering inclusivity in web design and enhancing the overall user experience.

The other principles, while important, focus on different aspects of accessibility. The perceivable principle deals with ensuring that all information and user interface components are presented in a way that can be perceived by users. The understandable principle relates to the clarity and comprehensibility of the information presented on the website. The robust principle emphasizes that content should be compatible with current and future user agents, including assistive technologies. While all are vital for accessibility, operability is specifically