One, the port number is set to 80 Tomcat, access time may not be added; http protocol version 1.1 can be multiplexed connection, and the like will be slightly after the end of the request;
two,
Form, get submission:
Three, user-agent tells the server which browser code to solve the compatibility problems, static pages content for different browsers show the same:
referer role: security chain and statistics:
Four, post request was free line and body of the request:
