Response Headers

There are a few HTTP headers that are specific to responses. They provide information related only to the nature of the response and not the content.


The Accept-Ranges header is the only HTTP header in the Accept family that is not a request header. This header indicates to the Web client that the server has the capability to handle range requests. A Web client can make a range request using the Range request header.

There are only two valid formats for the Accept-Ranges header that are allowed according to the definition:

Accept-Ranges: bytes 
Accept-Ranges: none 

These basically indicate that the Web server does and does not accept range requests, respectively.

It is not necessary for a Web server to indicate ...

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