Image formats: WebP, AVIF, JPG, PNG

2026: JPG/PNG outdated. WebP/AVIF — 30-80% smaller.

WebP

Google, 2010. -25-35% vs JPG.

AVIF

2019. -60% vs JPG. Safari 16+.

Tools

Squoosh, ImageMagick, cwebp.

picture tag

avif → webp → jpg.