HTTP/2 is a binary protocol, rather than the text-based format used by HTTP/1.1, which allows for more efficient processing of data. It also introduces several new features that improve the performance of web communication, will talk about them later. In HTTP/2 there is a binary framing

In HTTP/1.1 (persistent connections or keep alive connections), the client can indicate that it wants to use a persistent connection by including the Connection: keep-alive header in its request. If the server supports persistent connections, it will respond with the same header to indicate that it will keep

In HTTP 1.0 (short-lived connections), a new TCP connection was established for each request and response, and a three-way handshake was performed before each connection was opened. This meant that the connection was closed after each request was served, and a new connection had to be established for each

Hypertext Transfer Protocol version is a protocol for transmitting data over the internet. It is the standard protocol used for web communication. When a client initiates a connection to a server using HTTP over TCP, the two endpoints first establish a connection through a three-way handshake. The three-way handshake is