Explore is one of the largest recommendation systems on Instagram. We leverage machine learning to make sure people are always seeing content that is the most interesting and relevant to them. Usin…

An overview of time travel debugging and how it relates to debugging your production code execution.

The world is huge; to get a clear idea of what our world is like, we have to rely on carefully collected, well documented statistics.

Learn how React 18's concurrent features like Transitions, Suspense, and React Server Components improve application performance.

Site reliability engineering (SRE) is a discipline used for solving the challenges faced in running large-scale, highly distributed systems.

Win new clients with comprehensive SEO audits. Learn the step-by-step guide to impress prospects and boost your agency's success in 2023.

Ship fast and performant UIs, a great start to positive UX.

Technical deep-dive on why you shouldn't have SVGs in your JS bundle and better techniques for JSX usage.

The Chrome User Experience Report (CrUX) provides user experience metrics for how real-world Chrome users experience popular destinations on the web.

An in-depth look at the decoding attribute and how it affects web performance differently when using sync, async or not at all

Kashyap recalls his journey from design to software to banking and back, learning from side projects, getting into open source, working on Flipkart's PWA, and now diving into RUM.

How two simple steps improved the responsiveness of Wikipedia's mobile site

Shyam Gala, Javier Fernandez-Ivern, Anup Rokkam Pratap, Devang Shah

Large DOM sizes can be a factor in whether interactions are fast or not. Learn more about the relationship between DOM size and INP, and what you can do to reduce DOM size and other ways to limit rendering work when your page has lots of DOM elements.