Introduction In the dynamic world of live streaming, latency is a critical factor that can make or break the viewer experience. Traditionally, achieving low latency has been a challenge, especially when striving for broad compatibility across devices and platforms. This is where HLS comes into play, a widely adopted format…
Imagine engaging with GPT in your browser through voice alone, sharing this capability with friends, or accessing it from any location. Picture an AI assistant that makes learning spoken English enjoyable and straightforward, or that enables seamless conversation between you and a friend speaking a different language by translating everything…
Introduction In today's globalized world, content creation is no longer limited by geographical boundaries. As a result, engaging a diverse, international audience has become increasingly important for video creators. Whether you're a YouTuber, filmmaker, or e-learning content provider, being able to make your content accessible in multiple languages can greatly…
Introduction In today's digital world, videos are everywhere. From social media clips to live broadcasts, we consume a vast amount of video content daily. But have you ever wondered how we can make sense of all the information in these videos? This is where AI comes in. With the help…
By Timo Tijhof Hello, HTTP/2! In 2016, the Wikimedia Foundation deployed HTTP/2 (or “H2”) support to our CDN. At the time, we used Nginx- for TLS termination and two layers of Varnish for caching. We anticipated a possible speed-up as part of the transition, and also identified opportunities to leverage…
By Timo Tijhof I’m happy to share that the second Web Perf Hero award of 2022 goes to Valentín Gutierrez! This award is in recognition of Valentín’s work on the Wikimedia CDN over the past three months. In particular, Valentín dove deep into Apache Traffic Server. We use ATS as the…
By Tyler Cipriani Creating a Docker image for your service should be easy—cram your code and its dependencies into a container: boom. done. But that’s never the whole story. You have to build new images for each release, monitor them for vulnerabilities, and find a way to safely ship them…
Thumbor shadow-serving production traffic Wikimedia Commons is our open media repository. Like Wikipedia and its other sister projects, Commons runs on the MediaWiki platform. Commons is home to millions of photos, documents, videos, and other multimedia files. MediaWiki has a built-in imagescaler that, until now, we used in production as…
For over 15 years, the Wikimedia Foundation has provided public dumps of the content of all wikis. They are not only useful for archiving or offline reader projects, but can also power tools for semi-automated (or bot) editing such as AutoWikiBrowser. For example, these tools comb through the dumps to…
Learn why we transitioned the MediaWiki platform to serve traffic from multiple data centers, and the challenges we faced along the way. Wikimedia Foundation provides access to information for people around the globe. When you visit Wikipedia, your browser sends a web request to our servers and receives a response.…