Rendering Performance Articles

Tutorials Apr 08, 2026

CSS Scroll-Driven Animations: Build Smooth Scroll Effects with Zero JavaScript

Build production-ready scroll-based animations using CSS scroll() and view() timelines. Runs on the compositor thread with zero JavaScript, zero INP impact, and full code recipes for progress bars, parallax, and scroll reveals.

Editorial Team 14 min read

Tutorials Mar 01, 2026

CSS content-visibility: The One-Line Fix That Cuts Rendering Time by 80%

Learn how the CSS content-visibility property can cut rendering time by up to 80%. Covers content-visibility: auto for deferred rendering, contain-intrinsic-size for preventing layout shifts, SPA view caching, and Chrome DevTools profiling to verify real gains.

Editorial Team 12 min read