Performance
· 21 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.
297 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
760 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.
0.067
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
357 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.
760 ms
Page Load Progression
BJS Bundles16 scripts, 68 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://www.googletagmanager.com/gtag/js?id=G-77LW2DWW2P | 161 KB | 68 KB (42%) | ✓ | 3rd |
| https://skipupload.com/_next/static/chunks/6784.919b6f58b7b3dad1.js | 4 KB | — | ✓ | 1st |
| https://skipupload.com/_next/static/chunks/2262-ebaabbdcbdfcdc0c.js | 4 KB | — | ✓ | 1st |
| https://skipupload.com/_next/static/chunks/main-app-2ee50f287fd4e232.js | 1 KB | — | ✓ | 1st |
| https://skipupload.com/_next/static/chunks/2619-04bc32f026a0d946.js | 4 KB | — | ✓ | 1st |
| https://skipupload.com/_next/static/chunks/app/page-3854bf9f692f3ab9.js | 2 KB | — | ✓ | 1st |
| https://skipupload.com/_next/static/chunks/7191-acdb6b2242ca415f.js | 4 KB | — | ✓ | 1st |
| https://skipupload.com/_next/static/chunks/1255-24782c49a6a5b6bd.js | 46 KB | — | ✓ | 1st |
| https://skipupload.com/_next/static/chunks/app/privacy/page-a8dbea985d5d199c.js | 2 KB | — | ✓ | 1st |
| https://skipupload.com/_next/static/chunks/app/layout-24be91012c435ec0.js | 4 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
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
BHTTP Cachingpublic, max-age=0, must-revalidateREVIEW
public, max-age=0, must-revalidate
| Directive | Value | Meaning |
|---|---|---|
| public | — | Any cache may store this response |
| max-age | 0 | Cache for 0 seconds |
| must-revalidate | — | Must recheck with server after expiry |
A+Page Weight Budget483 KB transferred, 37 requestsPASS
AThird-Party Impact33% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
A+Image OptimizationNo images on this pagePASS
A+JS Execution Cost235ms total JS executionPASS
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://skipupload.com/ | 69ms | 4ms | 5ms | 1st |
| Unattributable | 59ms | 14ms | 0ms | 1st |
| https://www.googletagmanager.com/gtag/js?id=G-77LW2DWW2P | 57ms | 47ms | 9ms | 3rd |
| https://skipupload.com/_next/static/chunks/1255-24782c49a6a5b6bd.js | 50ms | 43ms | 4ms | 1st |
A+Font Loading1 fonts (48 KB)PASS
Web fonts
1
48 KB total
Render-blocking
0
of 1
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+HTTP/3 (QUIC)HTTP/3 advertised via Alt-SvcPASS
A+Compression AlgorithmMain response uses brotliPASS
A+LCP Image PreloadLCP preload audit not availablePASS
A+Main HTML Cache-ControlMain HTML max-age=0 (≤ 5min) is appropriatePASS
AServer Response Intelligence2 server-response signal(s) detectedPASS
A+Page Weight Inventory37 resources · 483 KB · 68 KB savings availablePASS
~68.1 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 37 resources | 483.0 KiB | ||||||
Network Waterfall37 requests over 687msINFO
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 | 57ms | 161 KB | 42% | €1/mo | Optional |