What is meant by the term 'website accessibility'?

The term 'website accessibility' refers specifically to the design and development of websites in a manner that ensures they can be effectively used by individuals with disabilities. This includes a range of considerations, such as making sure that visual elements are perceivable to users with visual impairments, ensuring that the website can be navigated using keyboard inputs for those who cannot use a mouse, and providing alternative text for images so that screen readers can communicate visual content to users with blindness or low vision.

By focusing on creating a more inclusive user experience, accessible websites are not only compliant with legal standards, such as the Americans with Disabilities Act (ADA) in the United States, but they also enhance usability for all users, thereby potentially increasing the audience and effectiveness of the website.

The other choices do not accurately represent the meaning of website accessibility. Security measures relate to protecting data, website loading speed pertains to performance, and optimization for search engines focuses on improving visibility and ranking rather than the user experience concerning accessibility.