This page is about stuff like actions that CAN cost a lot of CPU, be it by accident or by intention to accomplish a denial of service of a MoinMoin wiki.

 * Stats can be expensive. With or without gdchart.
 * Search
 * SystemInfo (only expensive for superuser in 1.6)
 * TitleIndex WordIndex

= What can be done? =
 * do nothing for bots
  * actions are 403 for bots anyway
  * Template list and Like pages used on new page screen do nothing for bots)
 * restrict to Known users
 * restrict to superuser
 * tuning
 * caching
 * removing