HTTP 206 Partial Content vs 304 Not Modified
HTTP 206 (Partial Content) is a 2xx Success response, while 304 (Not Modified) is a 3xx Redirection 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, 304 means that the resource has not been modified since the last request. The client can use its cached copy.
Описание
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.
Когда вы это видите
During video streaming, large file downloads, or when resuming interrupted downloads.
Как исправить
No fix needed. This is normal behavior for range requests.
Описание
The resource has not been modified since the last request. The client can use its cached copy.
Когда вы это видите
When the browser cache is still valid (If-None-Match / If-Modified-Since headers match).
Как исправить
No fix needed. This saves bandwidth by confirming the cached version is still current.
Ключевые различия
206 is a 2xx Success response, while 304 is a 3xx Redirection 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 304: The resource has not been modified since the last request. The client can use its cached copy.
You encounter 206 when during video streaming, large file downloads, or when resuming interrupted downloads.
You encounter 304 when when the browser cache is still valid (If-None-Match / If-Modified-Since headers match).
Когда что использовать
For 206 (Partial Content): No fix needed. This is normal behavior for range requests. For 304 (Not Modified): No fix needed. This saves bandwidth by confirming the cached version is still current.