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This article mainly explains "what does the HTTP server status code mean?" the content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn what the HTTP server status code means.

204 No Content

The server side has implemented the request, but no new information has been returned. If the customer is a user agent, you do not need to update your own document view for this. The main purpose of this response is to input script statements and other operations without affecting the user agent's activation of the document view. The response may also include new meta-information in the form of entity headers, which can be used by documents in the current user agent active view.

Redirect (Redirection 3xx)

This type of status code indicates that the user agent needs to issue further actions in order to complete the request. These operations can be implemented by the user agent without interaction with the user only if the following request is GET or HEAD. The user agent should never redirect the request more than five times, which can lead to an infinite loop.

300 Multiple Choices

This status code is not directly used by HTTP/1.0 applications, but is used as the default interpretation of the 3xx type response. There are multiple requested resources available.

Unless it is a HEAD request, the responding entity must include a list of characters and location information for these resources, and it is up to the user or user agent to decide which is the most appropriate.

If the server has a preference, it should store the corresponding URL information in the location domain (Location field), and the user agent will automatically redirect based on the value of this domain.

301 Moved Permanently

All requested resources are assigned a permanent URL so that the resource can be accessed through that URL in the future. Clients with the ability to edit links will update the request URI automatically according to the new links returned by the server as much as possible. The new URL must be specified by the location field in the response. Unless it is a HEAD request, the entity body (Entity-Body) that responds must include a brief description of the new URL hyperlink.

What does the HTTP server status code mean? If a request is made using the POST method and a 301 response status code is received. In this case, unless confirmed by the user, the user agent does not have to automatically redirect the request, as this will result in a change in the environment in which the request has been made. The above is the whole meaning of the HTTP server status code introduced by the editor.

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