+**304** is an [HTTP Status](/wiki/HTTP_Status) code, signaling a client's requested resource has not changed since its last access. It directs the client to use its cached version, saving [Bandwidth](/wiki/Bandwidth). This number also marks a specific [Year](/wiki/Year) in history.
+## See also
+- [HTTP](/wiki/HTTP)
+- [Web Cache](/wiki/Web_Cache)
+- [Status Code](/wiki/Status_Code)
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