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: 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, it is used to disable or remove the pause buttons in the download manager.
The unit for ranges are bytes.
|RFC 7233, section 2.3: Accept-Ranges||Hypertext Transfer Protocol (HTTP/1.1): Range Requests|
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|Feature||Android||Chrome for Android||Edge mobile||Firefox for Android||IE mobile||Opera Android||iOS Safari|