Move from div-only markup to semantic HTML: when to use header, nav, main, article, and section, how article and section differ, plus heading levels and ARIA landmarks, with before-and-after examples.
Introduction We live in an age where generative AI like ChatGPT, Claude, and Gemini has become part of daily life. AI chatbots have established themselves on websites, and automated content generation has become commonplace. Amid this rapid technological advancement, we must ask an important question: “Is the web created by AI usable by everyone?” Web Accessibility means ensuring that everyone—people with disabilities, elderly users, those with slow network connections, and more—can use the web equally. In the AI era, or rather because it is the AI era, web accessibility has become even more critical. ...