I’ve been hav­ing a play with this ser­vice tonight. This stuff is ines­timably pow­er­ful, but strangely sim­ple — for the A-B test­ing at least it’d be pretty triv­ial to roll your own. The Google Web­site Opti­miser blog is worth a gan­der if you’re new to this stuff.

Tags: A-B, analytics, conversion, Google, multivariate, testing, website optimiser