Accept-Ranges response HTTP header is a marker used
by the server to advertise its support of partial requests. The value of this field
indicates the unit that can be used to define a 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: <range-unit> 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, it is used to disable or remove the pause buttons in the download manager.
|Hypertext Transfer Protocol (HTTP/1.1): Range Requests (HTTP/1.1)|
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