HTTP Priority header #34399
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HTTP Priority header #34399
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| The HTTP below request below a possible follow on request for a CSS file. | ||
| The urgency is set to 2, indicating that the browser considers it to be quite high priority, but `i` is unset because the CSS file can't be handled incrementally. | ||
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| ```http |
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Note, I chose to use the HTTP/2 spec human readable format here. We should consider moving to it in future. Main reason though is that even though this can be used in HTTP/1.1 the main benefits come in HTTP/2 and 3. Also the spec uses it :-)
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We don't have as nice syntax highlighting, but let's look at that again at some point. We might have the option for extending the block language as http2 or something.
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For sure. Apparently it isn't too hard to extend with regexp.
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Co-authored-by: Brian Thomas Smith <[email protected]>
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Co-authored-by: Brian Thomas Smith <[email protected]>
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Thanks @bsmth - accepted all suggestions, some with minor changes. |
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* HTTP Priority header * Update files/en-us/web/http/headers/index.md * Update files/en-us/web/http/headers/priority/index.md * Update files/en-us/web/http/headers/priority/index.md Co-authored-by: Brian Thomas Smith <[email protected]> * Apply suggestions from code review Co-authored-by: Brian Thomas Smith <[email protected]> --------- Co-authored-by: Brian Thomas Smith <[email protected]>
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FF128 Adds support for RFC 9218 Extensible Prioritization Scheme for HTTP in https://bugzilla.mozilla.org/show_bug.cgi?id=1865040.
This spec includes a
Priorityheader that can be sent in requests to provide a client hint about the relative priority that a resource should be sent by a server. This can be sent in any version of HTTP.This is documented by this PR.
This is more than just the header as the RFC also adds HTTP/2 and HTTP/3 frames to allow a hop-to-hop update of the priority expectations after the header has been sent. However we don't document these so I'll add some comments as part of the body of this doc.
Related docs work can be tracked in #33847
PS The spec is here https://www.rfc-editor.org/rfc/rfc9218.html - it is really easy to read.