[Webkit-unassigned] [Bug 62590] REGRESSION(r82934-r83016): Non-parallel downloads of linked stylesheets with media attribute

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=62590





--- Comment #4 from bran_johnson at hotmail.com  2011-06-14 06:44:40 PST ---
I agree that the stylesheets that will be used immediately for screen rendering should be downloaded quickly, but I don't believe the other stylesheets need to be downloaded serially.

I tested with @media="screen" (http://jsbin.com/ibofa4) and with media queries that should immediately apply (http://jsbin.com/ixemu4). In both tests, the stylesheets to be immediately used were downloaded in parallel. That's good.

However, going back to the original test case (http://jsbin.com/ajigu4 or attachment 96996) with media queries for smaller window sizes, even after the "large" stylesheet (which will be immediately used for screen rendering) has downloaded, why are the other two stylesheets downloaded serially even when they are the only remaining resources to be downloaded and the only resources to be downloaded from hang.nodester.com?

In Aurora 6.0a2(2011-06-13), Firefox 4.0.1, Opera 11.11, Opera 11.50 beta (build 1040), and WebKit prior to and including r82934, the stylesheets download in parallel, with the load event firing usually around 2 seconds. In WebKit revision 83016 and on, the load event fires around 7 seconds.

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