HTTP 205 Reset Content vs 304 Not Modified
HTTP 205 (Reset Content) is a 2xx Success response, while 304 (Not Modified) is a 3xx Redirection response. 205 indicates that the server fulfilled the request and the client should reset the document view (e.g., clear a form). In contrast, 304 means that the resource has not been modified since the last request. The client can use its cached copy.
Description
The server fulfilled the request and the client should reset the document view (e.g., clear a form).
When You See It
After form submissions where the server wants the client to reset the form for new input.
How to Fix
The client should clear the form or reset the view. Rarely used in practice.
Description
The resource has not been modified since the last request. The client can use its cached copy.
When You See It
When the browser cache is still valid (If-None-Match / If-Modified-Since headers match).
How to Fix
No fix needed. This saves bandwidth by confirming the cached version is still current.
Key Differences
205 is a 2xx Success response, while 304 is a 3xx Redirection response.
HTTP 205: The server fulfilled the request and the client should reset the document view (e.g., clear a form).
HTTP 304: The resource has not been modified since the last request. The client can use its cached copy.
You encounter 205 when after form submissions where the server wants the client to reset the form for new input.
You encounter 304 when when the browser cache is still valid (If-None-Match / If-Modified-Since headers match).
When to Use Which
For 205 (Reset Content): The client should clear the form or reset the view. Rarely used in practice. For 304 (Not Modified): No fix needed. This saves bandwidth by confirming the cached version is still current.