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.
Tag: web performance (page 2)
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.
Web Perf Hero: Amir Sarabadani
Today we recognize Amir’s work over the past six months which cut latencies by half!
Web Perf Hero: Siddharth VP
Siddharth VP (@SD0001) implemented Package files for Gadgets in T198758. This enables gadget developers to bundle JSON files, unpacked via…
How we improved performance of a batch process from two days to five minutes
The Growth team recently improved the performance of a script that prepares data for usage in the mentor dashboard. Learn about how they decreased the average runtime of the script from more than 48 hours to less than five minutes.
Web Perf Hero: Umherirrender
@Umherirrender has initiated and carried out significant improvements to the performance of MediaWiki user preferences (T278650, T58633 , and T291748).…
Profiling PHP in production at scale
We built an efficient sampling profiler for PHP. It runs continually in production on live requests, and generates trace logs and flame graphs.
Learnings from setting up a performance device lab
My main focus the last months has been setting up a Wikimedia performance mobile device lab. We started with Android…
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.
Impact of using HTTP connection pooling for PHP applications at scale
This post explores the challenges of running PHP applications at a large scale and discusses the effect of using Envoy on MediaWiki applications.