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Content-Range

The Content-Range response HTTP header indicates where in a full body message a partial message belongs.

Syntax

Content-Range: <unit> <range-start>-<range-end>/<size>
Content-Range: <unit> <range-start>-<range-end>/*
Content-Range: <unit> */<size>

Directives

<unit>
The unit in which ranges are specified. This is usually bytes.
<range-start>
An integer in the given unit indicating the beginning of the request range.
<range-end>
An integer in the given unit indicating the end of the requested range.
<size>
The total size of the document (or '*' if unknown).

Examples

Content-Range: bytes 200-1000/67589 

Specifications

Specification Title
RFC 7233, section 4.2: Content-Range Hypertext Transfer Protocol (HTTP/1.1): Range Requests

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Content-Range Yes 12 Yes Yes Yes Yes
Mobile
Android webview Chrome for Android Firefox for Android Opera for Android Safari on iOS Samsung Internet
Content-Range Yes Yes Yes Yes Yes Yes

See also

© 2005–2020 Mozilla and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Range