We had some serious issues with Yahoo's (incredibly) badly written spider in the past, and as a result we blocked them. Marco Arment of Tumblr also shared his frustrations with us on 8/31/2009, which ...
I have some special coding that only works for HTML5 browsers (simple geolocation stuff). I want to redirect iPhone and Android users to the m.example.com version of my website. How is the best way ...