HTTP Errors

304 Not Modified

HTTP 304 indicates: Not Modified.

Error · HTTP Errors

Meaning

Redirection responses indicate further action is needed to complete the request.

Causes

  • Request or response flow is affected by the status meaning.
  • Headers or request body may require changes.

Fixes

  • Check request format and headers.
  • Retry after updating the request or following redirect guidance.

Example

HTTP/1.1 304 Not Modified

FAQ

  • Is this my problem or the server’s?
    It depends on the status class (4xx vs 5xx).
  • What should I check first?
    Start with the request URL, headers, and body.

Contact

If it persists, contact the service owner.