HTTP 206 Partial Content vs 501 Not Implemented
HTTP 206 (Partial Content) is a 2xx Success response, while 501 (Not Implemented) is a 5xx Server 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, 501 means that the server does not support the functionality required to fulfill the request. The server either does not recognize the request method or lacks the ability to fulfill it.
Description
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.
When You See It
During video streaming, large file downloads, or when resuming interrupted downloads.
How to Fix
No fix needed. This is normal behavior for range requests.
Description
The server does not support the functionality required to fulfill the request. The server either does not recognize the request method or lacks the ability to fulfill it.
When You See It
When using an HTTP method (like PATCH) that the server doesn't support.
How to Fix
Use a different HTTP method that the server supports. Check server documentation.
Key Differences
206 is a 2xx Success response, while 501 is a 5xx Server 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 501: The server does not support the functionality required to fulfill the request. The server either does not recognize the request method or lacks the ability to fulfill it.
You encounter 206 when during video streaming, large file downloads, or when resuming interrupted downloads.
You encounter 501 when when using an HTTP method (like PATCH) that the server doesn't support.
When to Use Which
For 206 (Partial Content): No fix needed. This is normal behavior for range requests. For 501 (Not Implemented): Use a different HTTP method that the server supports. Check server documentation.