On Thu, Sep 17, 2009 at 2:28 AM, Maciej Stachowiak <[email protected]> wrote:
> A third possibility: limit unload persistence to Image and XMLHttpRequest,
> to limit the complexity. That's assuming sites are not using scripts,
> stylesheets or frames to do the exit ping - I don't know if that's a good
> assumption.

My understanding is that image loads are commonly used for this
purpose because of their run-to-completion behavior in IE.

Adam
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