<Automated image preloading for a snappy UI ⁄ >

Web applications tend to involve a multitude of background images for elements and states that aren't in view when the page loads. In traditional web apps these images are used for rollover states for links and buttons, but Ajax applications have expanded the list to include images for inline messaging, tooltips, toggled content, overlay panels, and even entire pages of content that could potentially wind up in an interface. In order to create a snappy desktop-like experience on the web, images must be preloaded so that there is no blinking or fragmented loading. We found that our current options for preloading images were both insufficient and time-consuming, and it was clear that we needed to find a new approach.



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http://www.filamentgroup.com/lab/automated_image_preloading_for_a_snap...