Here is search logs of 650,000 AOL users. It's very interesting to view search history of particular person and analyze his personality. Let's do it together! Read more about AOL search database scandal or view research papers on web searching.
The Kanji SITE - A guide for students of Japanese Kanji
A step-by-step guide to hundreds of kanji, with random testing and a search function. Intended for JLPT study. Works on machines without Japanese support.