HTTP caching is a technique used by web browsers and servers to reduce the amount of data transferred and speed up page load times. It works by storing a copy of a web page or resource (such as an image or video) on the client’s device (in the browser cache or local storage), or on an intermediate server (such as a proxy server) between the client and the origin server. When the user requests the same web page or resource again, the browser or intermediate server checks if it has a cached copy, and if so, it retrieves it from the cache instead of making a new request to the origin server. This avoids unnecessary network traffic and reduces server load, resulting in faster page load times and improved user experience.
