403 vs 404: Forbidden vs Not Found
Both status codes appear frequently in production traffic but communicate different intent.
| Aspect | 403 | 404 |
|---|---|---|
| Meaning | Forbidden describes how the server processed the request and what the client should do next. | Not Found describes how the server processed the request and what the client should do next. |
| Typical use case | HTTP 403 Forbidden indicates a client errors response outcome. | HTTP 404 Not Found indicates a client errors response outcome. |
| Operational note | Monitor cache/client behavior when returning 403. | Monitor cache/client behavior when returning 404. |
When to use one vs the other
Choose the code that most accurately reflects semantics and expected client behavior.
FAQ
Can I swap these codes?
No. Returning the wrong code can break clients, SEO expectations, or caching behavior.