Real-World Field Benchmarks · CrUX Data

Framework Core Web Vitals & INP Index

Comparing real-world 75th percentile (p75) field performance metrics across modern web frameworks (**Next.js**, **SvelteKit**, **Nuxt.js**, **Remix**, **Laravel**, and **WordPress**) based on Google's Chrome User Experience Report (CrUX) dataset.

Real-World CrUX Field Auditor

Test Any Domain Core Web Vitals

Fetch real-world user metrics (Chrome User Experience Report) for any domain.

Real-World CrUX Field Comparison

Framework Performance Leaderboard (2026)

Average 75th percentile (p75) field performance metrics from the real Google Chrome UX Report API, averaged per framework across each framework's sample origins.

Framework comparison data hasn't been collected yet — this requires a Google Chrome UX Report API key (GOOGLE_CRUX_API_KEY) and running pnpm collect:web-vitals-frameworks. No estimated or placeholder numbers are shown in the meantime.

Core Web Vitals Threshold Benchmarks (2026)

⚡ INP (Interaction to Next Paint)

Measures UI responsiveness to user clicks, taps, and keystrokes.

Good: ≤ 200 ms

🖼️ LCP (Largest Contentful Paint)

Measures perceived loading speed of the largest hero element.

Good: ≤ 2.5 s

📐 CLS (Cumulative Layout Shift)

Measures visual stability and unexpected layout shifts during load.

Good: ≤ 0.10