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Performance.

The next installment of YUI: Open Hours will be this Friday (not Wednesday due to scheduling conflicts) at the usual time 10am - 12pm Pacific Time.

Ryan Grove and Satyen Desai will be talking about site and code performance: how and what to measure, some of the tools available, and some optimization tips. I'm trying to rally up a couple more guests as well, so stay tuned.

Good IEBlog article, bringing focus to problem pots in front end development:
http://blogs.msdn.com/b/ie/archive/2010 ... stems.aspx

Where are your bottlenecks, and how do you measure them?

Adding a link to my custom loader:

https://staging.landscape.canonical.com ... /loader.js

It needs the 'yui-base' and 'get' to be already loaded. The basic idea is that it will preload one or more rollup files in parallel, while queuing calls to .use(). Once the 'onEnd' event fires for all the rollups, the queued .use() calls are processed in order.

I plan to make it a little more generice and write a bit about it at some point.

I did a comparison of different approaches at using the loader and manually combo-loading vs letting the loader do all the work. Here's a link to the HAR Viewer with the different cases:

http://bit.ly/dmR2BE

I'll do a more in-depth write up in the morning.