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HTTP 304 Not Modified

Conditional GET: the cached copy is still valid; the server sends no body.

3xx · Redirection✗ not retryable — fix the request instead

Fix checklist

  • Nothing to fix — serve from cache.
  • If unexpected, check stray If-None-Match/If-Modified-Since headers.

Spec: RFC reference

Related status codes

301 Moved Permanently

The resource has a new permanent URL given in the Location header.

302 Found

The resource temporarily lives at a different URL.

307 Temporary Redirect

Like 302 but the method and body MUST be preserved when following the redirect..

308 Permanent Redirect

Like 301 but the method and body MUST be preserved.

← All HTTP status codes