Performance
· 26 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.
2.20 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
2.20 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
114 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.
7.92 s
Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.
7.76 s
Page Load Progression
DPage Weight BudgetAction2.1 MB transferred, 41 requestsFIX
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Image bandwidth is high — modern formats (WebP/AVIF) and resizing typically cut it 50%+.
Source: web.dev
DHTTP CachingActionno-store (uncacheable)FIX
no-store, must-revalidate
| Directive | Value | Meaning |
|---|---|---|
| no-store | — | Never cache this response |
| must-revalidate | — | Must recheck with server after expiry |
BImage Optimization7 images, 0 KB saveableREVIEW
CJS Execution CostAction1083ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://bravidavvero.it/ | 293ms | 47ms | 13ms | 1st |
| https://bravidavvero.it/cdn-cgi/challenge-platform/scripts/jsd/main.js | 292ms | 274ms | 2ms | 1st |
| https://bravidavvero.it/assets/framework-CXnKph_e.js | 260ms | 226ms | 0ms | 1st |
| Unattributable | 238ms | 18ms | 0ms | 1st |
BHTTP/3 (QUIC)HTTP/3 not advertisedREVIEW
BDocument CompressionDocument response uses gzip; brotli would be ~20% smallerREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
CPage Weight InventoryAction41 resources · 2.1 MB · 22 KB savings availableREVIEW
~21.8 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 41 resources | 2.1 MiB | ||||||
A+Third-Party ImpactNo third-party resourcesPASS
A+Text CompressionAll text resources are compressedPASS
A+Font LoadingNo web fonts (system fonts)PASS
A+JS Bundles23 scripts, 22 KB unusedPASS
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://bravidavvero.it/assets/framework-CXnKph_e.js | 58 KB | 22 KB (38%) | ✓ | 1st |
| https://bravidavvero.it/assets/privacy-controls-CnhmGY-t.js | 4 KB | — | ✓ | 1st |
| https://bravidavvero.it/assets/utils-Bjfv6g4D.js | 8 KB | — | ✓ | 1st |
| https://bravidavvero.it/assets/rolldown-runtime-S-ySWqyJ.js | 0 KB | — | ✓ | 1st |
| https://bravidavvero.it/assets/cms-elements-DhrG_FAB.js | 5 KB | — | ✓ | 1st |
| https://bravidavvero.it/assets/appearance-B8THNMPa.js | 0 KB | — | ✓ | 1st |
| https://bravidavvero.it/assets/profile-path-x-1okRFd.js | 0 KB | — | ✓ | 1st |
| https://bravidavvero.it/assets/link-C8LPUNs1.js | 4 KB | — | ✓ | 1st |
| https://bravidavvero.it/assets/navigation-Bvq6dLn1.js | 1 KB | — | ✓ | 1st |
| https://bravidavvero.it/assets/identity-HZg3OoC3.js | 0 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+LCP Image PreloadLCP preload audit not availablePASS
A+Main HTML Cache-ControlMain HTML uses no-store -- correct for sensitive/dynamic contentPASS
A+Server Response Intelligence2 server-response signal(s) detectedPASS
A+Render-Blocking ResourcesNo render-blocking resources detectedPASS
A+Third-Party ResourcesNo third-party resources detectedPASS
A+JavaScript BlockingNo render-blocking JS or document.write usage detectedPASS
A+CSS Performance DepthNo CSS performance depth issues detectedPASS
A+Green HostingWhether the site is served from green-energy infrastructurePASS
Green Hosting
This site is hosted on green energy infrastructure
Provider: Cloudflare
Asset CompressionNo text asset hosts to measureINFO
Network Waterfall41 requests over 6390msINFO
Image Optimization7 images, 1758 KB total, 1708 KB wastedINFO
Image Optimization Audit
Total Images
7
Total Size
1758 KB
Oversized
5
Wasted
1708 KB