Netcraft: "Debian is currently the fastest growing Linux distribution for web servers, with more than 1.2 million active sites in December." - Strong growth for Debian.
Only second to Red Hat, which - combined with Fedora - has more than 55%, Debian clocks in at just above 25%, followed by SuSE, Cobalt(!), Gentoo, Mandriva and CentOS. ⊗