Server-side device detection used by 82% of Alexa top 100 sites
About 82% of the Alexa 100 top sites use some form of server-side device detection to serve content on their main website entry point. As you descend from the top 10 to the top 25 and top 100 sites the percentage of sites using server-side detection falls from 100% to 96% to 82%. This is an interesting fact given the all of the recent discussion in the blogosphere of responsive design using client-side techniques such as media queries.
