304 Not Modified client redirection response
code indicates that there is no need to retransmit the requested resources. It is an
implicit redirection to a cached resource. This happens when the request method is
a safe method, such as
or when the request is conditional and uses an
If-None-Match or an
Note: Many developer tools' network panels
of browsers create extraneous requests leading to
304 responses, so that
access to the local cache is visible to developers.
304 Not Modified
|HTTP Semantics |
BCD tables only load in the browser
- Browser behavior differs if this response erroneously includes a body on persistent connections. See 204 No Content for more detail.