rain-mag · core web vitals

window: 7d28d90d

core: LCP, INP, CLS · diagnostic: FCP, TTFB · generated 2026-08-02T09:29:31.633Z

LCP

good ≤ 2.50 s
nuxt n=55
1.43 sp75
p50796 ms
p902.77 s
p9910.61 s

INP

good ≤ 200 ms
nuxt n=2
138 msp75
p5092 ms
p90166 ms
p99182 ms

CLS

good ≤ 0.100
nuxt n=52
0.031p75
p500.000
p900.229
p990.335

FCP

good ≤ 1.80 s
nuxt n=54
961 msp75
p50776 ms
p901.40 s
p994.98 s

TTFB

good ≤ 800 ms
nuxt n=57
606 msp75
p50198 ms
p90745 ms
p994.50 s

Before / after — Nuxt → Astro

RUM p75 (real users)

metricNuxtAstro
LCP 1.43 s —
INP 138 ms —
CLS 0.031 —
FCP 961 ms —
TTFB 606 ms —

Lab perf score (mobile, Δ = Astro − Nuxt)

Run lab-run --stack=nuxt and --stack=astro (mobile) over the same slugs to populate.

Worst pages (RUM)

metric: LCPINPCLSFCPTTFB   stack: astronuxt

no RUM yet

Lab results (Lighthouse)

coverage: —
pagestackprofilescore LCPCLSTBT
no lab runs yet

Trend (from daily rollup)

Astro Nuxt

accrues after the first nightly rollup