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IE8 == Worse Performance?
06-29-2010, 10:38 PM
Post: #16
RE: IE8 == Worse Performance?
Yeah, what Leonid said :-) (and sorry about the mis-statement on the cloud support - great to hear it is available).

The connection and request times are almost always what makes a site slow. If you got to ~slide 113 in Strangeloop's deck you can see the impact for the Velocity web site with combining (though it included css, js and images in one step). The page load times went down from 8.3 seconds to 3.4 seconds. It is the same reason people use sprites but the Data URI's and MHTML support is more flexible and works for other images, not just background ones which makes it really useful for things like product thumbnails.

In the case of MHTML you can reference them in an external file so you can group the images or put them all in a single external file that can be downloaded in parallel with other activity (or, more importantly, cached). Data URI's aren't quite as flexible but they can be inline in the external CSS files.

It's not the first optimization I'd recommend but once you have tackled the rest of the low-hanging-fruit it is one of the optimizations that can still have a large impact on the remaining page load.
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Messages In This Thread
IE8 == Worse Performance? - jarrod1937 - 06-26-2010, 05:00 AM
RE: IE8 == Worse Performance? - pmeenan - 06-26-2010, 12:55 PM
RE: IE8 == Worse Performance? - jarrod1937 - 06-26-2010, 11:45 PM
RE: IE8 == Worse Performance? - pmeenan - 06-27-2010, 02:15 AM
RE: IE8 == Worse Performance? - jarrod1937 - 06-27-2010, 05:17 PM
RE: IE8 == Worse Performance? - pmeenan - 06-27-2010, 06:19 AM
RE: IE8 == Worse Performance? - pmeenan - 06-27-2010, 10:32 AM
RE: IE8 == Worse Performance? - pmeenan - 06-27-2010, 11:14 PM
RE: IE8 == Worse Performance? - leonid - 06-29-2010, 06:54 PM
RE: IE8 == Worse Performance? - Aptimize - 07-02-2010, 03:42 PM
RE: IE8 == Worse Performance? - pmeenan - 07-02-2010, 09:35 PM
RE: IE8 == Worse Performance? - leonid - 06-29-2010, 10:11 PM
RE: IE8 == Worse Performance? - pmeenan - 06-29-2010 10:38 PM
RE: IE8 == Worse Performance? - leonid - 06-29-2010, 10:44 PM
RE: IE8 == Worse Performance? - jarrod1937 - 06-30-2010, 12:44 AM
RE: IE8 == Worse Performance? - jarrod1937 - 07-02-2010, 05:17 AM
RE: IE8 == Worse Performance? - pmeenan - 07-02-2010, 05:35 AM
RE: IE8 == Worse Performance? - jarrod1937 - 07-02-2010, 06:15 AM
RE: IE8 == Worse Performance? - pmeenan - 07-02-2010, 09:52 AM
RE: IE8 == Worse Performance? - jarrod1937 - 07-03-2010, 12:05 AM
RE: IE8 == Worse Performance? - pmeenan - 07-06-2010, 10:31 PM
RE: IE8 == Worse Performance? - jarrod1937 - 07-15-2010, 12:55 AM
RE: IE8 == Worse Performance? - pmeenan - 07-15-2010, 04:56 AM

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