min-device-pixel-ratio test
What’s your device’s min-device-pixel-ratio?
This Is Responsive | Tips, Resources and Patterns for Responsive Web Design
Patterns, resources and news for creating responsive web experiences
Media Query & Asset Downloading Results
Freebie: Responsive jQuery Slider Plugin Flexslider
Techniques For Gracefully Degrading Media Queries
Responsive Web Design: Helpful Articles, Techniques & Tutorials
Sencha Touch The First HTML5 Mobile App Framework
A Beautiful Boilerplate for Responsive, Mobile-Friendly Development
Adactio: Journal—Sea change
Responsive design
Mobile HTML5 Boilerplate
Here’s what we’ve learned about doing UI for mobile web apps with WebKit - (37signals)
A couple of useful tips on fonts and form elements
10 tips for designing mobile websites | These Days Labs
Optimiser son application web pour iPhone ou iPod Touch
Good summary of principal tips to start off with
Announcing an HTML5 mobile app framework for touch devices
check this out