The State of Web Vitals · Framework

Gatsby — Core Web Vitals

Field data PhoneDesktopAll October 2026 edition · Desktop field outcomes
55.8% of Gatsby sites pass all three Core Web Vitals
  • #9 of 11 frameworks by overall pass rate
  • Add TTFB and only 51.5% still pass
  • Runs on 0.1% of all sites measured (218 crawled Gatsby sites, 112 with desktop field data)

The distribution, not just the median

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

LCP 2.3s p75
82.9% good ▼ fleet 86.1%
INP 130ms p75
85.7% good ▼ fleet 98.9%
CLS 0.13 p75
68.8% good ▼ fleet 77.9%
TTFB diagnostic 559ms p75
88.0% good ▲ fleet 63.1%
FCP diagnostic 1.0s p75
92.9% good ▲ fleet 82.3%
Where Gatsby loses ground: INP — 85.7% of sites pass, against 98.9% across the fleet. The fingerprint below shows which habits move that number.

framework standings

#1 htmx 75.3% #2 Alpine 73.8% #3 Svelte 68.0% #4 jQuery 67.1% #5 Remix 65.5% #6 React 63.5% #7 Vue 60.1% #8 Next.js 57.7% #9 Gatsby 55.8% #10 Nuxt 51.1% #11 Angular 38.5%
All frameworks →

210,902 crawled sites (69,745 with desktop Chrome field data), representing millions of real page loads, October 2026 edition. How we measured.