HTTP 206 Partial Content vs 426 Upgrade Required
HTTP 206 (Partial Content) is a 2xx Success response, while 426 (Upgrade Required) is a 4xx Client Error response. 206 indicates that the server is delivering only part of the resource due to a Range header sent by the client. Used for resumable downloads and video streaming. In contrast, 426 means that the server refuses to perform the request using the current protocol but might after the client upgrades to a different protocol.
描述
The server is delivering only part of the resource due to a Range header sent by the client. Used for resumable downloads and video streaming.
何时出现
During video streaming, large file downloads, or when resuming interrupted downloads.
如何修复
No fix needed. This is normal behavior for range requests.
描述
The server refuses to perform the request using the current protocol but might after the client upgrades to a different protocol.
何时出现
When a server requires HTTPS or a newer protocol version.
如何修复
Switch to the protocol specified in the Upgrade response header.
主要区别
206 is a 2xx Success response, while 426 is a 4xx Client Error response.
HTTP 206: The server is delivering only part of the resource due to a Range header sent by the client. Used for resumable downloads and video streaming.
HTTP 426: The server refuses to perform the request using the current protocol but might after the client upgrades to a different protocol.
You encounter 206 when during video streaming, large file downloads, or when resuming interrupted downloads.
You encounter 426 when when a server requires HTTPS or a newer protocol version.
何时使用哪个
For 206 (Partial Content): No fix needed. This is normal behavior for range requests. For 426 (Upgrade Required): Switch to the protocol specified in the Upgrade response header.