[Webkit-unassigned] [Bug 194539] Add support for <link rel=prefetch>

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=194539

Brent Fulgham <bfulgham at webkit.org> changed:

           What    |Removed                     |Added
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                 CC|                            |bfulgham at webkit.org

--- Comment #10 from Brent Fulgham <bfulgham at webkit.org> ---
>From othermaciej:
"""
The original reason we didn't support it was because it's broken with cache partitioning, which Safari has had longer than other browsers. This post gives the details: <https://www.jefftk.com/p/why-prefetch-is-broken>

See this issue for why the spec is broken for browsers that do HTTP cache partitioning (which will soon be all browsers) and some discussion towards fixing it (including Google, Apple, and Mozilla folks). <https://github.com/whatwg/html/issues/6723>

The prefetch spec doesn't allow implementations to support it only for same-origin . So we didn't really think about that option. We could think about it, but a partial implementation could be poorly received. The partitioning problem will likely be solved in the spec soon.
"""

So, I think we need to let the spec work finish. Once we have an agreed upon plan, we can work to enable this by default.

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