The AJAX method (Asynchronous JavaScript and XML) is a technique used in web development to enable web pages to communicate with a server in the background without having to completely reload the page. This significantly enhances the user experience by making web applications faster and more interactive. AJAX works by sending asynchronous HTTP requests to the server, which then returns the necessary data, usually in JSON or XML format, to update a specific part of the page. This approach is commonly used for features such as dynamic forms, instant search filters, or real-time content updates. By combining AJAX with JavaScript and other front-end technologies, developers can create more responsive and seamless web applications without interrupting the user experience with frequent page reloads.