Responsive Web Design

Skeleton: Beautiful Boilerplate for Responsive, Mobile-Friendly Development


60 Examples of Responsive Website Design

The Boston Globe
vs.
The New York Times

Try re-sizing web browser window... First news site adjusts automatically,
and the second one stays the same... so they need a separate "mobile" version, or app.

Responsive Web Design is done by clever use of CSS and JavaScript,
completely on "client side", in the browser...