[Webkit-unassigned] [Bug 82291] Pages containing "multipart/x-mixed-replace" resources should not be cached.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=82291





--- Comment #10 from Brady Eidson <beidson at apple.com>  2012-03-28 10:38:22 PST ---
To add a further point of clarification on the very premise of this bug:

In general we should work to fix any exemption to the page cache on a case-by-case basis.

Some of the reasons a page can't be cached are policy decisions: HTTPS with certain caching headers, for example.  We have to maintain those exemptions to keep financial institutions happy, for example.

But *many* reasons on the list of exemptions are *current* technical shortcomings that we should strive to solve.

This "multipart/x-mixed-replace" issue is a technical one.  Currently we have no acceptable solution for caching such a page then restoring it: Images would be frozen mid-frame, for example.

But there are clever solutions we implement in the future.  Replace the image with a paused frame that could be gracefully resumed automatically or by explicit user action to re-establish the network connection, for example.

Once we get this bug resolved in a proper cross platform manner we need to make sure to have a bug tracking "Remove the multipart/x-mixed-replace exemption by gracefully allowing such resources in the page cache"

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