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Firefox supports Server-Timing as HTTP trailer, but only exposes it to DevTools #25141

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Nov 22, 2024
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36 changes: 36 additions & 0 deletions http/headers/Server-Timing.json
Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,42 @@
"standard_track": true,
"deprecated": false
}
},
"trailer": {
"__compat": {
"description": "`Server-Timing` as HTTP trailer",
"support": {
"chrome": {
"version_added": false,
"impl_url": "https://crbug.com/40811358"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "71",
"notes": "Only the `Server-Timing` header is a recognized trailer, and it is only exposed to DevTools in the network Timing tab ([bug 1403051](https://bugzil.la/1403051)). Developers cannot access trailers via the Fetch API or XHR."
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": false
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"webview_ios": "mirror"
},
"status": {
"experimental": false,
"standard_track": true,
"deprecated": false
}
}
}
}
}
Expand Down
14 changes: 7 additions & 7 deletions http/headers/Trailer.json
Original file line number Diff line number Diff line change
Expand Up @@ -10,24 +10,24 @@
],
"support": {
"chrome": {
"version_added": "1"
"version_added": false
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"edge": "mirror",
"firefox": {
"version_added": "1"
"version_added": "71",
"partial_implementation": true,
"notes": "Only the `Server-Timing` header is a recognized trailer, and it is only exposed to DevTools in the network Timing tab ([bug 1403051](https://bugzil.la/1403051)). Developers cannot access trailers via the Fetch API or XHR."
},
"firefox_android": "mirror",
"ie": {
"version_added": "≤11"
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "1"
"version_added": false
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
Expand Down