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Maniphest T233675

Audit startup JavaScript payload (Aug 2018—Sept 2019)
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Description

T219342: Pageview performance timeline analysis (March 2019) | T121730: Audit use of @embed and remove where not needed (2019)

📘 See also Wikipedia's JavaScript initialisation on a budget on our blog.

This started after the following two epics:

Progress tracked week-by-week at:

This is mostly small chunks found ad-hoc. But a few large parts that'll be interesting:

Related Objects

Event Timeline

Krinkle created this task.Sep 24 2019, 3:37 AM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptSep 24 2019, 3:37 AM
Krinkle closed this task as Resolved.Sep 24 2019, 3:37 AM
Krinkle triaged this task as High priority.
Krinkle moved this task from Inbox, needs triage to Doing (old) on the Performance-Team board.
Krinkle updated the task description. (Show Details)
Krinkle mentioned this in T121730: Audit use of @embed and remove where not needed (2019).
Krinkle mentioned this in T233676: Audit default module payload (2019).Sep 24 2019, 3:40 AM
Krinkle mentioned this in T219342: Pageview performance timeline analysis (March 2019).Sep 24 2019, 3:59 AM
Krinkle mentioned this in T233678: Create alerts for RL startup size.Sep 24 2019, 4:03 AM
Jdforrester-WMF subscribed.Sep 26 2019, 6:03 PM
Krinkle mentioned this in T235350: Consider moving site-wide config data out of the startup module.Oct 12 2019, 8:32 PM
gerritbot added a comment.Oct 12 2019, 8:42 PM

Change 542711 had a related patch set uploaded (by Krinkle; owner: Krinkle):
[mediawiki/core@master] resourceloader: Expose StartupModule::getConfigSettings for internal use

https://gerrit.wikimedia.org/r/542711

gerritbot added a project: Patch-For-Review.Oct 12 2019, 8:42 PM
Krinkle removed a project: Patch-For-Review.Oct 12 2019, 8:48 PM

(wrong task)

Krinkle mentioned this in T235944: Reduce number of modules registered by MassMessage.Oct 19 2019, 8:23 PM
Krinkle mentioned this in T236609: Consider using hashed module names in RL startup module.Nov 18 2019, 8:02 PM
Krinkle added a project: Wikimedia-Performance-publish.Mar 2 2020, 9:44 PM
Krinkle moved this task from Untriaged to Published on the Wikimedia-Performance-publish board.
Krinkle mentioned this in T264334: Could the registered module manifest be removed from the client?.Oct 6 2020, 9:42 PM
Krinkle mentioned this in T280746: Reduce number of distinct module bundles registered by TimedMediaHandler.Apr 21 2021, 3:05 AM
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