Webflow — Core Web Vitals

Field data PhoneDesktopAll November 2026 edition · Desktop field outcomes
60.0% of Webflow sites pass all three Core Web Vitals
  • #10 of 12 CMSs by overall pass rate
  • Add TTFB and only 50.0% still pass
  • Runs on 0.0% of all sites measured (20 crawled Webflow sites, 6 with desktop field data)

The distribution, not just the median

Each bar is the good / needs-work / poor split for Webflow. The marks where the whole fleet sits, so you can see who is ahead and who is behind.

LCP 1.3s p75
100.0% good ▲ fleet 86.1%
INP 73ms p75
100.0% good ▲ fleet 98.8%
CLS 0.13 p75
66.7% good ▼ fleet 78.0%
TTFB diagnostic 201ms p75
100.0% good ▲ fleet 63.1%
FCP diagnostic 552ms p75
100.0% good ▲ fleet 82.3%
Where Webflow loses ground: CLS — 66.7% of sites pass, against 78.0% across the fleet. The fingerprint below shows which habits move that number.

CMS standings

All CMSs →

227,069 crawled sites (74,973 with desktop Chrome field data), representing millions of real page loads, November 2026 edition. How we measured.