Last modified: 2014-09-22 19:08:29 UTC

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Bug 70790 - Performance/architecture review of ImageMetrics


Summary:	Performance/architecture review of ImageMetrics

Status:	RESOLVED FIXED

Product:	Wikimedia
Classification:	Unclassified
Component:	Extension setup (Other open bugs)
Version:	wmf-deployment
Hardware:	All All

Importance:	Unprioritized normal (vote)
Target Milestone:	---
Assigned To:	Ori Livneh

URL:
Whiteboard:
Keywords:

Depends on:
Blocks:	70402
	Show dependency tree / graph

Reported:	2014-09-12 21:41 UTC by Tisza Gergő
Modified:	2014-09-22 19:08 UTC (History)
CC List:	2 users (show)

See Also:
Web browser:	---
Mobile Platform:	---
Assignee Huggle Beta Tester:	---

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Description Tisza Gergő 2014-09-12 21:41:10 UTC

[[mw:Extension:ImageMetrics]] will be used to collect additional data about image performance and (eventually - not implemented yet) about how users interact with media.

The extension has a similar architecture to NavigationTiming, except it lazy-loads the main script. Currently it consists of a ~300 byte top script which sets up pre-domready event handling, a ¬300-byte bottom script which deals with request sampling, and a ~2K main script which is lazy-loaded when the request is sampled and uses EventLogging to log image load performance data. Currently the scripts are only loaded on file pages, but I intend to change that as more functionality is added.

Comment 1 Ori Livneh 2014-09-22 19:08:29 UTC

Reviewed. Looks good.

Wikimedia Bugzilla is closed!

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