Caching is a common technique that can be implemented in client-side, server-side, and proxy servers. Browser caching acts as a cache in the HTTP protocol, and HTTP caching is a useful way to improve the performance of web pages. It is an important aspect for many web developers.When a browser initiates an HTTP request to a server, the server responds to the request. The first time the browser sends a request to the server, it will decide whether to cache the request based on the cache identi...