- JPEG XL
JPEG XL for the web: ISO/IEC 18181, VarDCT and Modular, lossless JPEG transcoding, browser support from Chrome 155 and Firefox 158, the picture fallback, and what the October 2026 benchmarks actually show against AVIF.
- Web Asset Formats To Prioritize
Which file formats to ship for images, video, audio, fonts, and text in 2026, ranked by Chrome's support and Accept-header preference, with fallbacks for Safari and Firefox.
- Reflow Repaint And CLS Optimization
Explains how reflow, repaint and layout shift work in the browser and how to optimize them to keep Cumulative Layout Shift low in Core Web Vitals.