I am trying to detect if the end user is on a phone, a tablet or a pc
I have been Googling for a while, apparently there are no easy solution.
Well I guess I
I'd recommend looking into media queries and the
tag.
Some excellent articles on the thought processes behind responsive design.
http://www.html5rocks.com/en/mobile/mobifying/
http://www.magazine.org/timecom-gm-craig-ettinger-bringing-responsive-web-design-iconic-brand
The question remains, what are you trying to accomplish?