PHP – What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet
Regular HTTP: Before you can understand these technologies, you have to understand classic HTTP web traffic first. A client requests a webpage from a server. The server calculates the response The server sends the response to the client. Ajax Polling: 1.A client requests a webpage from a server using regular HTTP (see HTTP above). 2.The requested […]