One of the most popular and very effective methods to combat spam is to use some form of captcha protection. But, captchas can lead to poor user experience. reCAPTCHA by Google is a quite different captcha trying to minimize user interaction.
With release of new WordPress 3.2, it’s very interesting to see benchmarked performance of last 3 major versions, and how far the new WordPress has come. This is first benchmark post with the results of the performance of the WordPress administration side. Second one coming in the next couple of days.