title: What 's different between "text frame" and "binary frame" in Websocket?
body: <p>Text frame(opcode = 0x01) and Binary frame(opcode = 0x02) in <a href="https://www.rfc-editor.org/rfc/rfc6455#page-29" rel="nofollow noreferrer">RFC 6455</a>. What's different between them and which one is faster?</p>