A couple days ago, Jason Gigsby (@grigs) highlighted this post by Dave Olsen on responsive design from the server-side. The biggest thing that caught my attention was his focus on user-agent detection for altering the delivery of content.

There is some sensible stuff in there; it’s worth your time. In particular, I can see the value in delivering different kinds of resources to different targets, especially in the case of video or images, where resolution and bandwidth may be constrained. Read on, intrepid explorer →

In the last few years, there has been an explosion of development in the HTML and CSS specs, much of it driven by browser innovation. As early as 2007, Apple began pushing out vendor-specific prefixes to support CSS properties not yet in the open specification. Other browser developers have followed suit, so that there are now each of -o (Opera), -ms (IE9+), -moz (Mozilla/Gecko rendering engine), and -webkit (Safari and Chrome). Read on, intrepid explorer →