Performance
· 22 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.
852 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
883 ms
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
0 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.
883 ms
Page Load Progression
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
BThird-Party Impact55% third-party, 0 ms blockingREVIEW
BJS Bundles32 scripts, 67 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://www.googletagmanager.com/gtag/js?id=G-45PEPZ8BDR | 154 KB | 67 KB (44%) | ✓ | 3rd |
| https://ldns.com/_app/immutable/chunks/uKupv5Cb.js | 7 KB | — | ✓ | 1st |
| https://ldns.com/_app/immutable/chunks/Dff3VRsn.js | 2 KB | — | ✓ | 1st |
| https://ldns.com/_app/immutable/chunks/BlKmuS6K.js | 1 KB | — | ✓ | 1st |
| https://ldns.com/_app/immutable/chunks/BUApaBEI.js | 1 KB | — | ✓ | 1st |
| https://ldns.com/_app/immutable/chunks/DS_CSont.js | 1 KB | — | ✓ | 1st |
| https://ldns.com/_app/immutable/entry/app.JbXdDuaA.js | 5 KB | — | ✓ | 1st |
| https://ldns.com/_app/immutable/chunks/PPVm8Dsz.js | 1 KB | — | ✓ | 1st |
| https://ldns.com/_app/immutable/chunks/BVNqEeI9.js | 45 KB | — | ✓ | 1st |
| https://ldns.com/_app/immutable/chunks/BR__IKZY.js | 5 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
BMain HTML Cache-ControlNo Cache-Control header on main HTML responseREVIEW
A+Page Weight Budget304 KB transferred, 40 requestsPASS
A+Text CompressionAll text resources are compressedPASS
A+Image Optimization1 images, 0 KB saveablePASS
A+JS Execution Cost341ms total JS executionPASS
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://ldns.com/ | 144ms | 7ms | 1ms | 1st |
| Unattributable | 113ms | 46ms | 0ms | 1st |
| https://www.googletagmanager.com/gtag/js?id=G-45PEPZ8BDR | 84ms | 69ms | 14ms | 3rd |
A+Font LoadingNo web fonts (system fonts)PASS
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+Compression AlgorithmMain response uses brotliPASS
A+LCP Image PreloadLCP preload audit not availablePASS
A+Server-Timing Observability3 Server-Timing entries advertisedPASS
AServer Response Intelligence2 server-response signal(s) detectedPASS
APage Weight Inventory40 resources · 304 KB · 67 KB savings availablePASS
~66.8 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 40 resources | 304.0 KiB | ||||||
A+Green HostingWhether the site is served from green-energy infrastructurePASS
Green Hosting
This site is hosted on green energy infrastructure
Provider: Cloudflare
Network Waterfall40 requests over 502msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Google Tag Manager www.googletagmanager.com | Tag Manager | 84ms | 154 KB | 44% | €1/mo | Optional |
Image Optimization3 images, 0 KB total, 0 KB wastedINFO
Image Optimization Audit
Total Images
3
Total Size
0 KB