A robust loading strategy is one of the most important pieces when you think about optimization for high traffic websites. YUI Loader is a wonderful piece of software, and learning how to leverage it is a MUST-HAVE for YUI developers. Dynamic injections, controlling early user interactions, parallel downloads, preloading asssets, and window-iframe loading strategies are some of the topics that Caridy will cover in this presentation that examines Yahoo! Search as a case study.