What does the Google Caffeine Compare do?Google currently lets people pre-test their new enhances search index technology available at "
www2.sandbox.google.com" (Codename: "
Caffeine"). This tools lets you easily compare caffeinate results with de-caffinate results (a.k.a. plain old Google). Just type and search as usual. More info on
Matt Cutts blog and on the officla
Google Webmaster blog.