MediaWiki supports use of expensive data queries and page templates, meaning it can take noticeable time to process uncached pages. Näiden kustannusten lieventämiseksi MediaWikin järjestelmänvalvojien on määritettävä asiaankuuluvat välimuistit.

• Manual:Performance tuning - How to configure your web server and MediaWiki installation to improve performance.
• Manual:Object cache - Technical documentation: How object caching is used inside MediaWiki
  • Manual:Parser cache - How the rendered output of a wiki page is cached with ParserCache and how RevisionOutputCache is used for old revisions of a page.
  • Interwiki cache - Interwiki caching explained.

• Manual:Configuration settings#Cache
• wikitech:Performance/Guides/Backend performance practices
• Wikimedia servers
• Manual:File cache - Optional simplistic scheme for caching the rendered HTML of article pages.
• Manual:Varnish caching
• Manual:CloudFlare
• How do I purge a cached page?
• How do I completely disable caching?