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Analysis of the meaning and purpose of HTTP status code 100

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Analysis of the meaning and purpose of HTTP status code 100

Understand the meaning and purpose of HTTP status code 100

1. Introduction
When using the Internet, we often encounter various HTTP status codes. HTTP status code is a numeric code returned by the server when the browser requests a web page or the server returns a response to tell the client the status of the current request or response. Among them, HTTP status code 100 is a common status code. This article will introduce the meaning and use of HTTP status code 100 in detail.

2. The meaning of HTTP status code 100
HTTP status code 100 represents "continue". When a client sends an HTTP request with an Expect request header, the server may return a 100 status code. The Expect request header is usually used by the client to pass the specific requirements of the request to the server, such as requiring server confirmation before sending data. When the server receives a request with the Expect request header, if it can meet the client's needs, it will return a 100 status code, indicating that it is ready to start transmitting data.

3. The purpose of HTTP status code 100

  1. Prevent waste of bandwidth
    When the client sends a large amount of data to the server, using HTTP status code 100 can effectively prevent waste of bandwidth. . The client can use the Expect request header to confirm with the server before sending data. If the server does not meet the client's needs, the client can choose to terminate the request to avoid wasting bandwidth.
  2. Ensuring data security
    Using HTTP status code 100 can ensure the security of data transmission. Before sending data, the client can ask the server to confirm before receiving the data through the Expect request header. The client will not start transmitting data until the server returns a 100 status code. This method can prevent data from being maliciously intercepted or tampered with during transmission and improves data security.
  3. Network flow control
    HTTP status code 100 can also be used to control network traffic. In the case of high concurrency, the server may not be able to handle it, causing network congestion. By using HTTP status code 100, the client can confirm with the server whether the request can be processed before sending data. After the server returns the 100 status code, indicating that the request can be processed, the client will start transmitting data, thus avoiding network congestion.
  4. Improve user experience
    When the client sends a request, if the server can immediately respond with a 100 status code, it means that it is ready to receive data, and the client can send data faster, thus improving the user experience. Users do not need to wait for the server to confirm the request and can get the required data faster.

4. Summary
HTTP status code 100 represents "continue". When the client sends an HTTP request with the Expect request header, the server may return a 100 status code indicating that it is ready. Data is received. Use HTTP status code 100 to prevent wasted bandwidth, ensure data security, control network traffic, and improve user experience. Understanding the meaning and purpose of HTTP status code 100 will help us better understand and use the HTTP protocol and get a better experience on the Internet.

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