filamentgroup/Southstreet
This is excellent! Scott, Wilto, and the gang at Filament Group have released the tools they use to help them craft performant responsive sites. Lots of excellent resources for conditional loading here.
Tags: conditional
Springload: OnMediaQuery - Responsive Javascript
This is nice: the solution I blogged about for conditional CSS (reading media queries from JavaScript) all wrapped up in a nice small reusable bundle.
An Ajax-Include Pattern for Modular Content | Filament Group, Inc., Boston, MA
Scott walks through the code and thinking behind the conditional loading pattern on The Boston Globe site. This is such a useful and valuable pattern!
Valid downlevel-revealed conditional comments | 456 Berea Street
Keep this one handy in case you have to use conditional comments to hide something from Internet Explorer.