HTTP 103 Early Hints vs 226 IM Used
HTTP 103 (Early Hints) is a 1xx Informational response, while 226 (IM Used) is a 2xx Success 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, 226 means that the server has fulfilled a GET request for the resource, and the response is a representation of the result of one or more instance-manipulations.
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 has fulfilled a GET request for the resource, and the response is a representation of the result of one or more instance-manipulations.
何时出现
When using delta encoding to reduce bandwidth.
如何修复
Rarely encountered. The response uses Instance Manipulations (IM) as specified.
主要区别
103 is a 1xx Informational response, while 226 is a 2xx Success 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 226: The server has fulfilled a GET request for the resource, and the response is a representation of the result of one or more instance-manipulations.
You encounter 103 when when a server wants the browser to start loading CSS/JS before the full response is ready.
You encounter 226 when when using delta encoding to reduce bandwidth.
何时使用哪个
For 103 (Early Hints): No fix needed. This optimization helps speed up page loading. For 226 (IM Used): Rarely encountered. The response uses Instance Manipulations (IM) as specified.