Accept-Ranges response HTTP header is a marker used by the server to advertise its support of partial request. The value of this field indicates the unit that can be used to define the range.
In presence of an
Accept-Ranges header, the browser may try to resume an interrupted download, rather than to start it from the start again.
|Header type||Response header|
|Forbidden header name||no|
Accept-Ranges: bytes Accept-Ranges: none
- No range unit is supported, this makes the header equivalent of its own absence and is therefore rarely used, though some browsers, like IE9, uses it to disable or remove the pause buttons in their download managers.
Ranges can be expressed in bytes.
|RFC 7233, section 2.3: Accept-Ranges||Hypertext Transfer Protocol (HTTP/1.1): Range Requests|
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