Content-Length
The Content-Length header indicates the size of the message body, in bytes, sent to the recipient.
| Header type | Request header, Response header, Payload header |
|---|---|
| Forbidden header name | yes |
| CORS-safelisted response header | yes |
Syntax
Content-Length: <length>
Directives
- <length>
-
The length in decimal number of octets.
Specifications
| Specification |
|---|
| Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing # header.content-length |
Browser compatibility
BCD tables only load in the browser