HTTP 203 Non-Authoritative Information vs 226 IM Used
Both HTTP 203 (Non-Authoritative Information) and 226 (IM Used) belong to the 2xx Success category. 203 indicates that the response payload has been modified by a transforming proxy from the origin server's 200 response. Meanwhile, 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.
Mô tả
The response payload has been modified by a transforming proxy from the origin server's 200 response.
Khi bạn thấy mã này
When a proxy or CDN modifies the response body (e.g., adds headers, transforms content).
Cách khắc phục
Check if a proxy is modifying the response. Access the origin directly if you need the original content.
Mô tả
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.
Khi bạn thấy mã này
When using delta encoding to reduce bandwidth.
Cách khắc phục
Rarely encountered. The response uses Instance Manipulations (IM) as specified.
Sự khác biệt chính
HTTP 203: The response payload has been modified by a transforming proxy from the origin server's 200 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 203 when when a proxy or CDN modifies the response body (e.g., adds headers, transforms content).
You encounter 226 when when using delta encoding to reduce bandwidth.
Khi nào dùng cái nào
For 203 (Non-Authoritative Information): Check if a proxy is modifying the response. Access the origin directly if you need the original content. For 226 (IM Used): Rarely encountered. The response uses Instance Manipulations (IM) as specified.