User blog comment:Sannse/Five Things Every Admin Should Know/@comment-310-20150709232413

Excellent blog, can definitely recommend these tips to any aspiring SysOp.

Maintenance pages are also important (Found on Special:SpecialPages). Broken redirects and Double redirects can be tracked here (and the deleted!), and Wanted pages is always good to check for the pages with the most red links (indicating desired content)