Primary eng emails
rbar...@mozilla.com, eh...@mozilla.com
Spec
http://www.w3.org/TR/beacon/
*Summary*
Allows pages to send a "beacon" HTTP request. Beacons are allowed a
limited subset of HTTP (only a few content types), and the JS cannot
receive the content of the response. However, beacon requests will
survive after the page is unloaded, removing the need for synchronous
XHRs in onunload handlers.
The specification is currently under development in W3C, but has been
substantially stable for a while.
http://www.w3.org/TR/beacon/
https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/Beacon/Overview.html
It landed behind a runtime flag in mozilla:
https://bugzilla.mozilla.org/show_bug.cgi?id=936340
The flag is: beacon.enabled
Nightly is turned on by default.
https://bugzilla.mozilla.org/show_bug.cgi?id=990220
*WebKit:*
We are not aware of implementation effort in WebKit.
*Blink:*
The Chromium team has announced their intent to implement and opened a bug.
https://groups.google.com/a/chromium.org/forum/#!msg/blink-dev/Vdi7F7Mk_rM/L5D9HjNmt8YJ
https://code.google.com/p/chromium/issues/detail?id=360603
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