HTTP 206 Partial Content vs 510 Not Extended
HTTP 206 (Partial Content) is a 2xx Success response, while 510 (Not Extended) 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, 510 means that further extensions to the request are required for the server 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
Further extensions to the request are required for the server to fulfill it.
When You See It
When an HTTP extension required by the server is not present in the request.
How to Fix
Add the required extension headers to your request.
Key Differences
206 is a 2xx Success response, while 510 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 510: Further extensions to the request are required for the server to fulfill it.
You encounter 206 when during video streaming, large file downloads, or when resuming interrupted downloads.
You encounter 510 when when an HTTP extension required by the server is not present in the request.
When to Use Which
For 206 (Partial Content): No fix needed. This is normal behavior for range requests. For 510 (Not Extended): Add the required extension headers to your request.