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The 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 |
Syntax
Accept-Ranges: bytes Accept-Ranges: none
Directives
none- No range unit is supported, this makes the header equivalent of its own absence and is therefore rarely used
bytes-
Ranges can be expressed in bytes.
Examples
Accept-Ranges: bytes
Specifications
| Specification | Title |
|---|---|
| RFC 7233, section 2.3: Accept-Ranges | Hypertext Transfer Protocol (HTTP/1.1): Range Requests |
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
No compatibility data found. Please contribute data for "Accept-Ranges" to the MDN compatibility data repository.