The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Noindexed pages (1 member)
- Pages with broken file links (45 members)
- Pages with syntax highlighting errors (8 members)
- Sandbox templates (1 member)
- User namespace templates (1 member)
- Wikipedia pages with incorrect protection templates (6 members)
- Wikipedia protected templates (5 members)
- Wikipedia templates which apply NOINDEX (1 member)