HTTP 103 Early Hints vs 406 Not Acceptable
HTTP 103 (Early Hints) is a 1xx Informational response, while 406 (Not Acceptable) is a 4xx Client Error response. 103 indicates that used to return some response headers before the final HTTP message. Allows the browser to start preloading resources while the server prepares the response. In contrast, 406 means that the server cannot produce a response matching the Accept headers sent by the client.
描述
Used to return some response headers before the final HTTP message. Allows the browser to start preloading resources while the server prepares the response.
何时出现
When a server wants the browser to start loading CSS/JS before the full response is ready.
如何修复
No fix needed. This optimization helps speed up page loading.
描述
The server cannot produce a response matching the Accept headers sent by the client.
何时出现
When requesting a content type the server doesn't support (e.g., Accept: application/xml when only JSON is available).
如何修复
Adjust the Accept header to a format the server supports.
主要区别
103 is a 1xx Informational response, while 406 is a 4xx Client Error response.
HTTP 103: Used to return some response headers before the final HTTP message. Allows the browser to start preloading resources while the server prepares the response.
HTTP 406: The server cannot produce a response matching the Accept headers sent by the client.
You encounter 103 when when a server wants the browser to start loading CSS/JS before the full response is ready.
You encounter 406 when when requesting a content type the server doesn't support (e.g., Accept: application/xml when only JSON is available).
何时使用哪个
For 103 (Early Hints): No fix needed. This optimization helps speed up page loading. For 406 (Not Acceptable): Adjust the Accept header to a format the server supports.