2026: JPG/PNG устарели. WebP и AVIF — 30-80% меньше.
WebP
Google, 2010. -25-35% vs JPG. Transparency, animation.
AVIF
2019. -60% vs JPG. Safari 16+.
Конвертация
Squoosh, ImageMagick, cwebp.
Cloudflare Polish
Авто WebP.
picture тег
avif, webp, jpg fallback.