adaptive-design

I want to make sure I want to optimize and make my site very easy to maintain for different version of my site. I have few version of my site: iphone/ipod/android etc... ipad/tablets etc... other small devices like old clap phone default I use ubuntu server with MySQL 5, PHP 5 and Apache + Memcache. What would be the best way to implement my site so they all use the same base functionality: PHP JS (for common) CSS (for common) etc...? thanks Note: this solution is more about performance than quick fix and I'm finally done I assume since your are using memcache you get your content from a MySQL

Would you explain difference between RWD (Responsive Web Design) and AWD (Adaptive Web Design) in a simple way? Adaptive (AWD): Not necessarily set on a fluid grid; targets specific device resolutions (320, 768, 1024, et.al.); can have set widths (fixed) or relative widths (%), controlled by media queries. Responsive (RWD): Built on a fluid grid; will change with the browser, no matter what the screen resolution; content can break apart and realign if need be. In short: RWD is like AWD, except taken a step or two further, in order to future proof design for unknown devices as well as known