Performance
· 27 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.
1.97 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
2.99 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
682 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.
2.62 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.
8.09 s
Page Load Progression
DJS Execution CostAction2979ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://www.noordoostpolder.nl/_next/static/chunks/framework-cfa9730c0b361aa8.js | 1220ms | 1077ms | 10ms | 1st |
| https://www.noordoostpolder.nl/_next/static/chunks/pages/_app-7338c2d52f827464.js | 789ms | 634ms | 154ms | 1st |
| https://www.noordoostpolder.nl/ | 434ms | 13ms | 6ms | 1st |
| Unattributable | 313ms | 8ms | 0ms | 1st |
| https://www.noordoostpolder.nl/_next/static/chunks/main-4fbe98809c211867.js | 159ms | 139ms | 11ms | 1st |
| https://www.noordoostpolder.nl/_next/static/chunks/pages/index-143f9be1add0926d.js | 63ms | 61ms | 1ms | 1st |
DJS BundlesAction33 scripts, 382 KB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://www.noordoostpolder.nl/_next/static/chunks/pages/_app-7338c2d52f827464.js | 443 KB | 274 KB (62%) | ✓ | 1st |
| https://cdn1.readspeaker.com/script/14424/webReader/webReader.js?pids=wr | 28 KB | 54 KB (62%) | ✓ | 3rd |
| https://cdn1.readspeaker.com/script/14424/webReader/webReader.js?pids=wr | 0 KB | 54 KB (62%) | ✓ | 3rd |
| https://www.noordoostpolder.nl/_next/static/chunks/1279.99fb751b4f31e32b.js | 1 KB | — | ✓ | 1st |
| https://www.noordoostpolder.nl/_next/static/chunks/main-4fbe98809c211867.js | 44 KB | — | ✓ | 1st |
| https://www.noordoostpolder.nl/_next/static/chunks/88033.48d9d46e745b996d.js | 1 KB | — | ✓ | 1st |
| https://www.noordoostpolder.nl/_next/static/chunks/77357.4b1f05e64bcb3e81.js | 1 KB | — | ✓ | 1st |
| https://www.noordoostpolder.nl/_next/static/chunks/75879.89a47b4cc8797ced.js | 1 KB | — | ✓ | 1st |
| https://www.noordoostpolder.nl/_next/static/chunks/9743.c8d38f26f7390b7c.js | 2 KB | — | ✓ | 1st |
| https://www.noordoostpolder.nl/_next/static/chunks/69703.7c7f1c50fdd19446.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
DHTTP CachingActionno-store (uncacheable)FIX
no-store
| Directive | Value | Meaning |
|---|---|---|
| no-store | — | Never cache this response |
BPage Weight Budget1.2 MB transferred, 52 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
BImage Optimization10 images, 0 KB saveableREVIEW
BHTTP/3 (QUIC)HTTP/3 not advertisedREVIEW
CDocument CompressionActionDocument response served uncompressedREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
A+Third-Party Impact15% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
A+Font Loading4 fonts (71 KB)PASS
Web fonts
4
71 KB total
Render-blocking
0
of 4
Dominant font-display
swap
Most common across fonts
Font loading timeline
- Convert to woff2 for ~30% smaller file size
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)
Fixing the unchecked items could save ~11 KB and ~22 ms
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource Hints5 hints, 0 missing preconnectsPASS
Current Resource Hints
5 resource hints configured
AAsset Compression1 of 1 asset host still on gzipPASS
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 Intelligence1 server-response signal(s) detectedPASS
APage Weight Inventory52 resources · 1.2 MB · 382 KB savings availablePASS
~382.4 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 52 resources | 1.2 MiB | ||||||
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
Network Waterfall52 requests over 976msINFO
Real-User Performance (CrUX)Field metrics from the Chrome User Experience ReportINFO
Chrome User Experience (CrUX)
Real-user metrics from the Chrome UX Report (2026-10-14 — 2026-11-10)
LCP (p75)
1197 ms
96% good
INP (p75)
105 ms
96% good
CLS (p75)
0.000
98% good
FCP (p75)
1000 ms
TTFB (p75)
425 ms
Image Optimization8 images, 368 KB total, 321 KB wastedINFO
Image Optimization Audit
Total Images
8
Total Size
368 KB
Oversized
4
Wasted
321 KB