Enable embedding of certain resources using Edge Side Includes (ESI). This will improve performance but only works if there is something in front of the web server (e.g. a Squid or Varnish server) configured to process the ESI.

See also

• ResourceLoader
• $wgResourceModules - Register modules that can later be loaded on a page
• $wgResourceModuleSkinStyles - Register skin-provided stylesheets to add to an existing ResourceLoader module
• $wgResourceLoaderDebug - Configure the default debug mode for MediaWiki.
• Internal configuration settings: $wgExtensionAssetsPath , $wgResourceLoaderMaxage
• ResourceLoaderRegisterModules hook
• Developing with ResourceLoader – Learn how to use ResourceLoader in MediaWiki