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The speed of thought
Wikimedia Performance Team's blog

The journey to Thumbor, part 1: rationale

Written by Gilles on Jun 20 2017, 3:33 PM.

We are currently in the final stages of deploying Thumbor to Wikimedia production, where it will generate media thumbnails for all our public wikis. Up until now, MediaWiki was responsible for generating thumbnails.

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Looking back: improvements to edit save time

Written by Gilles on Jun 12 2017, 9:32 AM.

The WMF's financial year and its annual plan are coming to an end, and one of the Performance team's goals this past year was to reduce the amount of time it takes to save an edit on a wiki.

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Improving time-to-logo performance with preload links

Written by Gilles on Jun 7 2017, 7:38 AM.

One of the goals of the Wikimedia Performance Team is to improve the performance of MediaWiki and the broader software stack used on Wikimedia wikis. In this article we’ll describe a small performance improvement we’ve implemented for MediaWiki and recently deployed to production for Wikimedia. It highlights some of the unique problems we encounter on Wikimedia sites and how new web standards can be leveraged to improve performance.

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Investigating a performance improvement

Written by Gilles on Jun 2 2017, 10:02 AM.

Last week @Jdlrobson pinged me by email about a performance improvement his team noticed for large wiki articles on the mobile site in our synthetic tests run on WebPageTest. The improvement looked like this, a sudden drop in SpeedIndex (where lower is better):

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About The speed of thought

As the Wikimedia Foundation’s Performance Team, we want to create value for readers and editors by making it possible to retrieve and render content at the speed of thought, from anywhere in the world, on the broadest range of devices and connection profiles.