X-Powered-By header
The HTTP X-Powered-By response header is a non-standard header for identifying the application or framework that generated the response.
| Header type | Response header |
|---|---|
| Forbidden response header name | No |
Syntax
http
X-Powered-By: <application>
Directives
<application>-
A string describing the server application or framework.
Examples
Express X-Powered-By header
Express applications will usually include the X-Powered-By header in responses with the string express as the field value:
http
X-Powered-By: express
Specifications
Not part of any current specification.