Performance
· 18 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.
1.31 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
2.42 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
189 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.001
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
2.79 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.
2.54 s
Page Load Progression
643 ms 1.3 s
1.9 s
2.6 s
3.2 s 3.9 s
4.5 s
5.1 sFJS Execution CostAction3893ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://appsgolem.com/en/ | 2634ms | 7ms | 2ms | 1st |
| Unattributable | 1179ms | 14ms | 0ms | 3rd |
| https://appsgolem.com/static/js/htmx-2.0.3.min.93063fe04ea3.js | 80ms | 66ms | 11ms | 1st |
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
BImage Optimization45 images, 0 KB saveableREVIEW
A+Page Weight Budget404 KB transferred, 56 requestsPASS
A+Third-Party ImpactNo third-party resourcesPASS
A+Text CompressionAll text resources are compressedPASS
A+Font Loading4 fonts (186 KB)PASS
Web fonts
4
186 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+JS Bundles2 scripts, 0 KB unusedPASS
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://appsgolem.com/static/js/htmx-2.0.3.min.93063fe04ea3.js | 15 KB | — | ✓ | 1st |
| https://appsgolem.com/static/js/menu-1.0.ea187f2bf712.js | 1 KB | — | ✓ | 1st |
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource Hints1 hints, 0 missing preconnectsPASS
Current Resource Hints
1 resource hints configured
A+Page Weight Inventory56 resources · 404 KB · 0 KB savings availablePASS
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 56 resources | 403.5 KiB | ||||||
A+Render-Blocking ResourcesNo render-blocking resources detectedPASS
A+Third-Party ResourcesNo third-party resources detectedPASS
A+Green HostingWhether the site is served from green-energy infrastructurePASS
Green Hosting
This site is hosted on green energy infrastructure
Provider: OVHcloud
Network Waterfall56 requests over 2825msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Unattributable Unattributable | Other | 1179ms | 0 KB | — | €15/mo | Costly |
These scripts may cost more than they're worth
- Unattributable adds 1179ms and costs ~€15/month
Unattributable takes 1179ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
Real-User Performance (CrUX)Field metrics from the Chrome User Experience ReportINFO
Chrome User Experience (CrUX)
Real-user metrics from the Chrome UX Report (2026-04-07 — 2026-05-04)
LCP (p75)
1285 ms
93% good
INP (p75)
77 ms
95% good
CLS (p75)
0.030
80% good
FCP (p75)
1273 ms
TTFB (p75)
700 ms