What are the classifications of HTTP status codes?

The classification of HTTP status codes are: 1. The category starting with 1 is information. The server receives the request and needs the requester to continue performing the operation; 2. The category starting with 2 means success, and the operation is successfully received and processed; 3 Classes starting with , 3 are redirects, which require further operations to complete the request; classes starting with 4, 4 are client errors, the request contains syntax errors or the request cannot be completed.

1. HTTP status code classification:

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2. HTTP status code meaning

##2.1.【1**】Class

##2.2,【2**】Category

2.3, [3**] Category

##2.4, [4 **】Category

##2.5,【5 **】kind

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