Web Perf Hero: Máté Szabó
We recognize the volunteer effort that increased Wikipedia’s backend responses that complete within 50ms by 20%.
Author: Timo Tijhof
Timo Tijhof
Principal Engineer, Wikimedia Foundation.
Profile page on Meta-Wiki
Personal website on timotijhof.net
Flame graphs arrive in WikimediaDebug
The new “Excimer UI” option in WikimediaDebug generates flame graphs. What are flame graphs, and when do you need this?
Around the world: How Wikipedia became a multi-datacenter deployment
Learn why we transitioned the MediaWiki platform to serve traffic from multiple data centers, and the challenges we faced along the way.
Perf Matters at Wikipedia in 2020
Looking back at our ups and downs, including FOSDEM and Mobile Device Lab.
Perf Matters at Wikipedia in 2019
Looking back at our ups and downs. Including joining the W3C, implementing Paint Timing in upstream WebKit, and research on perceived performance.
Perf Matters at Wikipedia in 2018
Looking back at our ups and downs. Including a literature review, multi-DC prep, and a new ata center in Singapore.
Perf Matters at Wikipedia in 2017
Reduce Wikipedia’s time-to-logo Thanks to the new Preload web standard developed by the W3C WebPerf working group, we were able…
Perf Matters at Wikipedia in 2016
Looking back at our ups and downs. Including HTTP/2 deployment, metric collection improvements, and the begining of our journey to Thumbor.
Web Perf Hero: Valentín Gutierrez
Today we celebrate two numbers: 25% lower latency for ATS backend requests at the p75, and up to 1000X reduction of ATS disk read latency at the p999.
HTTP/2 performance revisited
Deploying HTTP/2 support to the Wikimedia CDN significantly changed how browsers negotiate and transfer data during the page load process. We found regressions in performance during the transition and are sharing the lessons we learned.