From mediawiki.org
Other languages:
MediaWiki extensions manual
OOjs UI icon advanced-invert.svg
Release status: unknown
Implementation other (invalid type)
Description Collects performance related information and presents them to the user
Author(s) Peter Hedenskog
Latest version 0.1.0
Compatibility policy Snapshots releases along with MediaWiki. Master is not backward compatible.
MediaWiki >= 1.29.0
Database changes No
License GNU General Public License 2.0 or later
Help Help:Extension:PerformanceInspector
Translate the PerformanceInspector extension if it is available at translatewiki.net

Check usage and version matrix.

Issues Open tasks · Report a bug

The PerformanceInspector extension collect performance related information from different parts of MediaWiki for a specific page and present them to the user. You can read what metrics the inspector and how you can use it at Help:PerformanceInspector .

Activate the Performance inspector[edit]

You can find the link to the Performance inspector is in the Tools section when the extension is installed, you are logged in and the user preference has been enabled in the editing preferences section under Developer tools.

Note this link may not be compatible with 1.36 and is not compatible with 1.37 due to the use of a deprecated hook (see phab:T256509).


  • Download and place the file(s) in a directory called PerformanceInspector in your extensions/ folder.
  • Add the following code at the bottom of your LocalSettings.php :
    wfLoadExtension( 'PerformanceInspector' );
  • Yes Done – Navigate to Special:Version on your wiki to verify that the extension is successfully installed.