Code ownership for instruments in WikimediaEvents

The code in this repository is loaded globally for all users of Wikipedia and other public Wikimedia Foundation wikis. Including for all page types, namespaces, skins, and devices.

Shipping code comes at a cost. It is important that campaigns leave a trace to contact their owners so that, if optimisations are proposed, there is a way to contact them for code review, and also to routinely evaluate whether gathered data is still actively being used and providing value to free up budget for other teams to deploy campaigns.

mw-js-deprecate

• Since: March 2014
• Files: deprecate.js
• Contact: https://wikitech.wikimedia.org/wiki/MediaWiki_Engineering

Powers https://grafana.wikimedia.org/d/000000037/mw-js-deprecate.

StatsD JavaScript

• Since: Dec 2014.
• Files: statsd.js
• Contact: https://wikitech.wikimedia.org/wiki/MediaWiki_Engineering

Handles the ResourceLoader mw.track() topics for counter.*, timing.*, and gauge.*. Prometheus support https://phabricator.wikimedia.org/T355837. Documentation at https://wikitech.wikimedia.org/wiki/Performance.wikimedia.org/Runbook#statsv.

Search satisfaction

• Since: October 2015
• Files: searchSatisfaction.js, searchSli.js
• Contact: https://www.mediawiki.org/wiki/Wikimedia_Search_Platform

Reading depth

• Since: November 2021
• Files: readingDepth.js
• Contact: https://www.mediawiki.org/wiki/Readers/Web/Team

Details at https://phabricator.wikimedia.org/T294777.

Wikibase

• Since: July 2018
• Files: completionClicks.js
• Contact: Search Platform

Details at https://phabricator.wikimedia.org/T196186.

Network Probe

• Since: April 2023
• Files: init.js, probenet.js, recipe.js, networkProbe.js
• Contact: Infrastructure Foundations

Details at https://phabricator.wikimedia.org/T332024.

Click-tracking for Vector and Minerva

• Since: July 2019
• Files: webUIClick.js, utils.js
• Contact: Readers Web

Details at https://phabricator.wikimedia.org/T220016.

A/B Test initialization for Vector

• Since: October 2021
• Files: webABTestEnrollment.js
• Contact: Readers Web

Details at https://phabricator.wikimedia.org/T292587.

CommonJS for Web

• Since: May 2023
• Files: webCommon.js
• Contact: Readers Web

Details at https://phabricator.wikimedia.org/T335309.

Accessibility Settings for Web

• Since: September 2023
• Files: webAccessibilitySettings.js
• Contact: Readers Web

Details at https://phabricator.wikimedia.org/T346106.

Scroll-tracking for Vector

• Since: October 2021
• Files: webUIScroll.js
• Contact: Readers Web

Details at https://phabricator.wikimedia.org/T292586.

Client Error Logging

• Since: February 2020
• Files: clientError.js
• Contact: Data Products

Details at https://phabricator.wikimedia.org/T235189.

Session Tick

• Since: June 2020
• Files: sessionTick.js
• Contact: Data Products

Details at https://phabricator.wikimedia.org/T248987.

Universal Language Selector

• Since: March 2021
• Files: universalLanguageSelector.js
• Contact: Language and Translation, Readers Web

Migrated from the UniversalLanguageSwitcher extension. Details at https://phabricator.wikimedia.org/T275894.

Select PHP versions for the backend

• Since: August 2022
• Files: phpEngine.js
• Contact: SRE serviceops

More details at https://phabricator.wikimedia.org/T311388

Blocked edit attempts

• Since: September 2022
• Files: blockedEdit.js
• Contact: Editing

EditAttemptStep and VisualEditorFeatureUse event logging

• Since: March 2023
• Files: editAttemptStep.js
• Contact: Editing

Previously maintained in VisualEditor and other extensions since 2014. Moved here in https://phabricator.wikimedia.org/T332438.

Code ownership for other code in WikimediaEvents

Temporary account instrumentation

• Since: October 2024
• Files: TemporaryAccountsInstrumentation.php, PeriodicMetrics/*
• Contact: Trust & Safety Product Team

More details at https://phabricator.wikimedia.org/T357763