Wikimedia – [[WM:TECHBLOG]]

Wikimedia SSO: Evaluation

In the first of three posts about the implementation of Single Sign On (SSO). This post looks at the original landscape of Wikimedia’s web-based services, summarizes requirements for a new SSO provider, looks at existing FLOSS solutions, and explains why Apereo CAS was chosen.

2020 Coolest Tool Awards: Thank you for the tools!

For the past two years, the Coolest Tool Awards has celebrated tools created and used by the Wikimedia community. Read about 2020’s winners.

Wikimedia’s CDN: datacenter switchover

The 3rd and last article of a series that describes some of the changes to Wikimedia’s Content Delivery Network, including the replacement of Varnish with Apache Traffic Server (ATS) as the on-disk HTTP cache component of the CDN.

Wikimedia’s CDN: the road to ATS

The 2nd of a 3 part series that describes some of the changes to Wikimedia’s Content Delivery Network, including the replacement of Varnish with Apache Traffic Server (ATS) as the on-disk HTTP cache component of the CDN.

Web performance case study: Wikipedia page previews

Preview popups are common and requires careful scripting and styling; they can generate useful learning about performance as a reference for other front-end tasks.

The Query Service Tutorial for Wikidata: an interview with Dr. Keren Shatzman from Wikimedia Israel

With the Wikidata Query service tutorial, Wikimedia Israel aims to empower new users to query Wikidata, which currently holds almost 90 million items.

Wikimedia’s CDN up to 2018: Varnish and IPSec

The 1st of a 3 part series that will describe some of the changes, which included replacing Varnish with Apache Traffic Server (ATS) as the on-disk HTTP cache component of the CDN.

Diving into Wikipedia’s ocean of errors

This blog post documents how we prioritized debugging an issue on mobile; how we went about implementing a solution; and what we learned from the experience.

Wikimedia’s Event Data Platform – Event Intake

Part 3 of 3 posts on Wikimedia’s event data platform.

From Gerrit to Gitlab: join the discussion

Wikimedia Release Engineering is considering a move from Gerrit to Gitlab. Learn more about the reasoning and join the discussion.