Performance
· 15 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.
534 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
846 ms
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
80 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.
852 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.
1.80 s
Page Load Progression
FJS BundlesAction21 scripts, 1.1 MB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://publicnode.com/_next/static/chunks/2926b636-108266324e42952c.js | 50 KB | 357 KB (100%) | ✓ | 1st |
| https://publicnode.com/_next/static/chunks/2926b636-108266324e42952c.js | 0 KB | 357 KB (100%) | ✓ | 1st |
| https://publicnode.com/_next/static/chunks/346-5062da986821e93a.js | 425 KB | 262 KB (64%) | ✓ | 1st |
| https://publicnode.com/_next/static/chunks/290-0ff97237750800d0.js | 148 KB | 46 KB (31%) | ✓ | 1st |
| https://publicnode.com/_next/static/chunks/pages/_app-99c872d377f46e8d.js | 73 KB | 32 KB (44%) | ✓ | 1st |
| https://publicnode.com/_next/static/chunks/562-78f20464c805642e.js | 0 KB | 26 KB (59%) | ✓ | 1st |
| https://publicnode.com/_next/static/chunks/562-78f20464c805642e.js | 12 KB | 26 KB (59%) | ✓ | 1st |
| https://publicnode.com/_next/static/chunks/pages/snapshots-f0c8ec39e39076df.js | 0 KB | 22 KB (53%) | ✓ | 1st |
| https://publicnode.com/_next/static/chunks/pages/snapshots-f0c8ec39e39076df.js | 12 KB | 22 KB (53%) | ✓ | 1st |
| https://publicnode.com/_next/static/rYCwWXZJ6oB_JpT9ntTfs/_ssgManifest.js | 1 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
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
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
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
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
BPage Weight Budget1.2 MB transferred, 34 requestsREVIEW
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
JavaScript bundle is large — code-split routes and lazy-load off-screen components to defer.
Source: web.dev
CJS Execution CostAction1159ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://publicnode.com/ | 370ms | 1ms | 0ms | 1st |
| https://publicnode.com/_next/static/chunks/framework-b30138dca27a5575.js | 354ms | 301ms | 4ms | 1st |
| https://publicnode.com/_next/static/chunks/346-5062da986821e93a.js | 195ms | 119ms | 40ms | 1st |
| Unattributable | 127ms | 6ms | 0ms | 3rd |
| https://publicnode.com/_next/static/chunks/pages/index-6eb4184e9210bf47.js | 113ms | 113ms | 0ms | 1st |
CPage Weight InventoryAction34 resources · 1.2 MB · 1.1 MB savings availableREVIEW
~1.1 MiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 34 resources | 1.2 MiB | ||||||
BHTTP Cachings-maxage=45, stale-while-revalidateREVIEW
s-maxage=45, stale-while-revalidate
| Directive | Value | Meaning |
|---|---|---|
| s-maxage | 45 | CDN caches for 45 seconds |
| stale-while-revalidate | — | Serve stale while revalidating |
A+Third-Party Impact15% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
A+Image Optimization3 images, 0 KB saveablePASS
A+Font Loading4 fonts (31 KB)PASS
Web fonts
4
31 KB total
Render-blocking
0
of 4
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+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource HintsNo optimization neededPASS
A+Green HostingWhether the site is served from green-energy infrastructurePASS
Green Hosting
This site is hosted on green energy infrastructure
Provider: Cloudflare
Network Waterfall34 requests over 1407msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Unattributable Unattributable | Other | 127ms | 0 KB | — | €1/mo | Optional |