HTTP 204 No Content

What does HTTP 204 mean?

The request succeeded and there is no response body. Common for DELETE, for PUT/PATCH that do not return the updated resource, and for CORS preflight responses. A 204 response must not contain a body.

2xx Success: The request was received, understood and accepted.

204 and SEO

A page that returns 204 has no content and will not be indexed.

Example response

HTTP/1.1 204 No Content

How to return a 204 response

Node.js (Express)

res.status(204).json({ error: 'No Content' });

PHP

http_response_code(204);

Python (Flask)

return {'error': 'No Content'}, 204

Go (net/http)

w.WriteHeader(204)

nginx

return 204;

Related status codes

• 200 OK — The request succeeded and the response body contains the requested resource.
• 304 Not Modified — The cached copy is still valid, so the server sends no body.

Check which status code a URL returns with the HTTP header checker.