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Open Source for Open Knowledge

Recent Posts (page 14)

Measuring Wikipedia page load times

Here is how we measure and interpret load times on Wikipedia. Let’s also look at what real-user metrics are, and how percentiles work.
Continue reading “Measuring Wikipedia page load times”…
Posted on: January 9, 2018 Last updated on: May 18, 2025 Timo Tijhof

The journey to Thumbor, part 3: development and deployment strategy

Introducing Thumbor replaces an existing service, and as such it’s important that it doesn’t preform worse than its predecessor. We came up with a strategy to reach feature parity and ensure a launch that would be invisible to end users.
Continue reading “The journey to Thumbor, part 3: development and deployment strategy”…
Posted on: November 20, 2017 Last updated on: November 11, 2024 Gilles Dubuc

The journey to Thumbor, part 2: thumbnailing architecture

To understand why Thumbor is a good fit, it’s important to understand where it fits in our overall thumbnailing architecture. A lot of historic constraints come into play, where Thumbor could be adapted to meet those needs.
Continue reading “The journey to Thumbor, part 2: thumbnailing architecture”…
Posted on: November 17, 2017 Last updated on: November 11, 2024 Gilles Dubuc

Improving time-to-logo performance with preload links

Thanks to a new web standard, we’ve recently deployed a small performance improvement that highlights some of the unique challenges we encounter on Wikimedia sites.
Continue reading “Improving time-to-logo performance with preload links”…
Posted on: July 7, 2017 Last updated on: November 11, 2024 Gilles Dubuc

The journey to Thumbor, part 1: rationale

Making Thumbor production-ready for Wikimedia is a journey that started a year and a half ago. Let’s look at the rationale for this project.
Continue reading “The journey to Thumbor, part 1: rationale”…
Posted on: June 20, 2017 Last updated on: November 11, 2024 Gilles Dubuc

Looking back: improvements to edit save time

Is it faster to save articles on Wikipedia than it was a year ago?
Continue reading “Looking back: improvements to edit save time”…
Posted on: June 12, 2017 Last updated on: November 11, 2024 Gilles Dubuc

Investigating a performance improvement

When a performance improvement seems too good to be true, it’s time to investigate in depth and find out what happened.
Continue reading “Investigating a performance improvement”…
Posted on: June 2, 2017 Last updated on: November 11, 2024 Gilles Dubuc

How we made editing Wikipedia twice as fast

Over the past six months we deployed a new technology that sped up Wikipedia’s backend application, reducing the median page-saving time for editors from about 7.5 seconds to 2.5 seconds.
Continue reading “How we made editing Wikipedia twice as fast”…
Posted on: December 29, 2014 Last updated on: November 24, 2025 Ori Livneh
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