HTTP 200 OK vs 304 Not Modified
HTTP 200 (OK) is a 2xx Success response, while 304 (Not Modified) is a 3xx Redirection response. 200 indicates that the request succeeded. The meaning depends on the HTTP method: GET returns the resource, POST reports the action result, HEAD returns headers only. In contrast, 304 means that the resource has not been modified since the last request. The client can use its cached copy.
الوصف
The request succeeded. The meaning depends on the HTTP method: GET returns the resource, POST reports the action result, HEAD returns headers only.
متى تراه
The most common HTTP response — indicates the request was processed successfully.
كيفية الإصلاح
No fix needed. The request succeeded as expected.
الوصف
The resource has not been modified since the last request. The client can use its cached copy.
متى تراه
When the browser cache is still valid (If-None-Match / If-Modified-Since headers match).
كيفية الإصلاح
No fix needed. This saves bandwidth by confirming the cached version is still current.
الفروق الرئيسية
200 is a 2xx Success response, while 304 is a 3xx Redirection response.
HTTP 200: The request succeeded. The meaning depends on the HTTP method: GET returns the resource, POST reports the action result, HEAD returns headers only.
HTTP 304: The resource has not been modified since the last request. The client can use its cached copy.
You encounter 200 when the most common HTTP response — indicates the request was processed successfully.
You encounter 304 when when the browser cache is still valid (If-None-Match / If-Modified-Since headers match).
متى تستخدم أيًا منهما
For 200 (OK): No fix needed. The request succeeded as expected. For 304 (Not Modified): No fix needed. This saves bandwidth by confirming the cached version is still current.