Simplify permalinks for better SEO
The latest WordPress 3.3 includes a fix that removes the performance problems related to using just /%postname%/ as your permalink structure without any prefixing dates/numbers. According to Joost de Valk, using dates in URL’s can result in poor click-through-rate, so I thought I’d go ahead and make the switch.
Check out the instructions on Joost’s blog. He also has a nifty tool for generating the necessary .htaccess redirects.