One reason for choosing client over server: richness of data that can be queried. Media queries allow you to test for all sorts of features [1] which may be dif

One reason for choosing client over server: richness of data that can be queried. Media queries allow you to test for all sorts of features [1] which may be difficult impossible to test on server, e.g. color depth, pixel density etc. [1] http://www.w3.org/TR/css3-mediaqueries/#media1 http://www.w3.org/TR/css3-mediaqueries/#media1