Mediaqueri.es: A Collection of Responsive Web Designs
A gorgeous, and nicely presented, collection of websites that actively respond to your browser width, including the Mediaqueri.es, itself. (Giving you a purposeful UX on any device.)
What is Responsive Web Design?
The term Responsive Web Design was coined by Ethan Marcotte and is the practice of using fluid grids, flexible images, and media queries to progressively enhance a web page for different viewing contexts.
What screen resolutions do you use while taking screenshots?
Smartphone - 320px
Tablet - 768px
Netbook - 1024px
Desktop - 1600px
It’s worth bookmarking for this gem of a yardstick, alone (mentioned on their about page).
Goofy URL aside, this is what really great UX Design is about. Lots of hard work and polish by the designer to create something that just works for the user-no matter what.