Web accessibility is the practice of making websites and web applications usable by people of all abilities. This includes individuals with visual, auditory, motor, and cognitive impairments, as well as those using assistive technologies such as screen readers or keyboard-only navigation. Ensuring web accessibility is not only a legal requirement in many countries but also helps to create an inclusive online environment that is accessible to all. Key Principles of Web Accessibility One of the key principles of web accessibility is that websites should be perceivable, operable, understandable, and robust (referred to as POUR). This means that the content should be perceivable by all users, including those who are blind or have low vision. The website should be operable by all users, including those who have mobility impairments or use assistive technologies such as screen readers. The website should be understandable by all users, including those who have cognitive or learning disabilit...