Geek & Mild by Sean Sperte

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POWERED by FUSION

I may be able to speak to the progress indicator from an application programmer standpoint. Safari is very fast, to the point that they are clearly squeezing every bit of processing they can.

Anyone who has ever programmed a progress indicator knows that it means breaking up the process that you are measuring to record or test some data about it’s current status. This, as you might guess, doesn’t speed things up. It is possible to minimize this delay, but it will always be there. Judging by the relative accuracy of the previous progress bar, I’m sure it wasn’t a negligible process.

Especially with the speed of the web today, I can easily see cases where measuring the speed of a page load could double the length of the load.

§  Chuck Skoda · 04 March 2009
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