Core Web Vitals
Core Web Vitals are Google's three field metrics for how a page feels on a real device: Largest Contentful Paint, Interaction to Next Paint, and Cumulative Layout Shift.
LCP is when the main thing appears. INP is how long the page takes to react after a tap or click. CLS is how much the layout jumps while it loads. They are measured on users, not in a lab you control — a fast laptop in the office is not the number that ranks.
They matter because they are a ranking signal and because a slow marketing site wastes the traffic you paid for. Most failures are ordinary: a hero image with no size, a font that swaps late, a third-party script that blocks the main thread, motion that paints the whole page on scroll.
Framer's baseline is fast if you keep the budget. We treat vitals as a launch gate — image weight, fonts, and the render path — not as a report you read after the campaign starts. A slow Framer site is a build decision, not a platform limit.

