Thanks for this. I always enjoy reading articles that help make Drupal faster. There were a few sessions at Drupalcon last week that dealt with this topic as well. This article definitely has more in depth technical details, though (which is good).<p>If interested, here are the a couple of related sessions from Drupalcon:<p><a href="http://www.archive.org/details/drupalconchi_day3_test_tune_tweak_hack" rel="nofollow">http://www.archive.org/details/drupalconchi_day3_test_tune_t...</a><p><a href="http://www.archive.org/details/drupalconchi_day2_failure_to_launch" rel="nofollow">http://www.archive.org/details/drupalconchi_day2_failure_to_...</a>
Great tips, but BEFORE you start tweaking a website, you should monitor the current performance so you can actually measure the improvements from the end user perspective. AlertFox and Browsermob have good free plans for this:
<a href="http://alertfox.com/" rel="nofollow">http://alertfox.com/</a>
<a href="http://browsermob.com/" rel="nofollow">http://browsermob.com/</a>