Content-Length
The HTTP Content-Length
header indicates the size, in bytes, of the message body sent to the recipient.
Header type | Request header, Response header, Content header |
---|---|
Forbidden header name | Yes |
CORS-safelisted response header | Yes |
Syntax
http
Content-Length: <length>
Directives
<length>
-
The length in octets.
Specifications
Specification |
---|
HTTP Semantics # field.content-length |
Browser compatibility
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