What is HTTP header information

HTTP (hypertexttransferprotocol) is an abbreviation for Hypertext Transfer Protocol, which is used to transmit WWW data, the HTTP protocol defines a lot of ways to interact with the server, the most basic 4 kinds, namely get, POST, PUT, DELETE. A URL address is used to describe a resource on a network,
In HTTP, get, POST, PUT,
Delete is corresponding to the resources of the search, change, increase, delete 4 operations, our most common is get and post. Get is typically used to get/query resource information, and post is typically used to
Update resource information.
The header information for HTTP includes the general header, the request header, the response header, and the entity header four parts. Each header field consists of a domain name, a colon (:), and a domain value of three parts.

1. The generic header is a header that both the client and server can use to provide some useful common functionality between the client, the server, and other applications, such as the date header.

2. The request header is unique to the request message, which provides some additional information to the server, such as what type of data the client wants to receive, such as the accept header.

3. The response header facilitates the client to provide information, such as what type of server the customer service is interacting with, such as the server header.

4. The body head refers to the head that is used to respond to the body part of the entity, for example, the entity head can be used to describe the data type of the entity body part, such as Content-type head.

What is HTTP header information