vite-pretext A/B demo

vite-pretext A/B layout-shift demo

interval ms burst sans serif mono

Cards 0 Last measure — ms

Δ unexpected shift 0 px × —

Showcase The card below renders only here — its typography is driven by a pretext-only CSS variable. Drag its bottom-right corner to watch the headline change treatment as its line count flips.

WITH pretext

shift 0 px unexpected 0 px events 0 max 0 px

WITHOUT pretext

shift 0 px unexpected 0 px events 0 max 0 px

Results