A reverse proxy is a server that sits between the client and the origin server, forwarding client requests to the server and returning the server’s responses back to the client. The client is unaware that it is communicating with a reverse proxy, as the proxy intercepts and forwards request on behalf of the client. Reverse proxies can be used for several purposes, including load balancing, caching, and security. They can distribute incoming traffic across multiple servers to improve performance and handle more requests. Reverse proxies can also cache content to reduce server load and improve response times for frequently requested resources.