Performance
· 23 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.Performance-focused optimization plan with CWV assessment, top offenders, and time estimates
First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.
464 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
781 ms
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
3 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.000
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
930 ms
Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.
813 ms
Page Load Progression
CJS Execution CostAction1285ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://ambulatoriofacile.it/ | 878ms | 2ms | 6ms | 1st |
| https://ambulatoriofacile.it/_next/static/chunks/4af27f77bd5de33b.js | 219ms | 145ms | 5ms | 1st |
| Unattributable | 123ms | 18ms | 0ms | 1st |
| https://ambulatoriofacile.it/_next/static/chunks/2375e3fd2a9b8844.js | 65ms | 40ms | 7ms | 1st |
BDocument CompressionDocument response uses gzip; brotli would be ~20% smallerREVIEW
BMain HTML Cache-ControlCache-Control present but without max-ageREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
BHTTP Cachings-maxage=31536000REVIEW
s-maxage=31536000
| Directive | Value | Meaning |
|---|---|---|
| s-maxage | 31536000 | CDN caches for 52 weeks |
A+Page Weight Budget666 KB transferred, 64 requestsPASS
A+Third-Party ImpactNo third-party resourcesPASS
A+Text CompressionAll text resources are compressedPASS
A+Image Optimization2 images, 0 KB saveablePASS
A+Font Loading2 fonts (120 KB)PASS
Web fonts
2
120 KB total
Render-blocking
0
of 2
Dominant font-display
swap
Most common across fonts
Font loading timeline
Optimization checklist
- Preload critical fonts (priority=high)
- Use woff2 format for all fonts
- Set font-display to swap, optional, or fallback
- Subset large fonts (≤100 KB each)
A+JS Bundles20 scripts, 26 KB unusedPASS
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://ambulatoriofacile.it/_next/static/chunks/4af27f77bd5de33b.js | 69 KB | 26 KB (37%) | ✓ | 1st |
| https://ambulatoriofacile.it/_next/static/chunks/73e3194f06db260e.js | 7 KB | — | ✓ | 1st |
| https://ambulatoriofacile.it/_next/static/chunks/418dd71155e0d5fb.js | 8 KB | — | ✓ | 1st |
| https://ambulatoriofacile.it/_next/static/chunks/f5ef96490f2d1f86.js | 9 KB | — | ✓ | 1st |
| https://ambulatoriofacile.it/_next/static/chunks/6e3f8fd0aa1f833a.js | 1 KB | — | ✓ | 1st |
| https://ambulatoriofacile.it/_next/static/chunks/turbopack-d5fc5cb32de8416c.js | 4 KB | — | ✓ | 1st |
| https://ambulatoriofacile.it/_next/static/chunks/0f76ab7d090a2504.js | 20 KB | — | ✓ | 1st |
| https://ambulatoriofacile.it/_next/static/chunks/8943f771601776cd.js | 28 KB | — | ✓ | 1st |
| https://ambulatoriofacile.it/_next/static/chunks/62c556c2b4e54d36.js | 24 KB | — | ✓ | 1st |
| https://ambulatoriofacile.it/_next/static/chunks/2375e3fd2a9b8844.js | 30 KB | — | ✓ | 1st |
Consider code splitting or tree shaking to reduce unused code.
This bundle has high unused code — code-split or tree-shake to ship only what executes.
Source: web.dev / Lighthouse coverage
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource HintsNo optimization neededPASS
A+HTTP/3 (QUIC)HTTP/3 advertised via Alt-SvcPASS
A+LCP Image PreloadLCP preload audit not availablePASS
A+Server Response Intelligence2 server-response signal(s) detectedPASS
A+Page Weight Inventory64 resources · 666 KB · 26 KB savings availablePASS
~25.6 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 64 resources | 665.5 KiB | ||||||
A+Green HostingWhether the site is served from green-energy infrastructurePASS
Green Hosting
This site is hosted on green energy infrastructure
Provider: Hetzner Online GmbH
Asset CompressionNo text asset hosts to measureINFO
Network Waterfall64 requests over 1260msINFO
Real-User Performance (CrUX)Field metrics from the Chrome User Experience ReportINFO
Chrome User Experience (CrUX)
Real-user metrics from the Chrome UX Report (2026-10-03 — 2026-10-30)
LCP (p75)
1712 ms
88% good
INP (p75)
64 ms
97% good
CLS (p75)
0.000
91% good
FCP (p75)
1496 ms
TTFB (p75)
887 ms
Image Optimization10 images, 53 KB total, 0 KB wastedINFO
Image Optimization Audit
Total Images
10
Total Size
53 KB