[Webkit-unassigned] [Bug 185870] Enable Server-Timing by default

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=185870

Jakub G (dailymotion) <jakub.g.opensource at gmail.com> changed:

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--- Comment #12 from Jakub G (dailymotion) <jakub.g.opensource at gmail.com> ---
Current status of compat:

- shipped in Chrome 65
- shipped in Edge 79
- shipped in Firefox 61
- Safari is the last major engine remaining

Note that this API can be useful beyond strictly performance monitoring.

Sometimes it's useful and handy to pass some piece of information to the page via an HTTP header, and Server-Timing can be (ab)used to pass arbitrary key-value string pairs (apart from performance numeric data), and read them back on JavaScript side:

https://stackoverflow.com/a/66211531/245966

I don't know any other header *which is JS-readable* and can be used to pass arbitrary data in that way.

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