"HTTP" web process

I. HTTP status code

HTTP status Code

200	Client request succeeded
60W	Temporary jump, the address of the jump is specified by location
400	Client requests have syntax errors and cannot be recognized by the server
403	The server received the request but refused to provide the service
404	The requested resource does not exist
500	Unexpected error occurred on server
301	Turn/redirect, which means the Web page permanently goes to another address
307	Server not available
304	The request succeeds, indicating that the server and the cache are consistent, notifying the client to take from the cache

"HTTP" web process