Performance
· 20 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.
1.33 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
1.97 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
11 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.006
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
1.36 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.
2.14 s
Page Load Progression
DThird-Party ImpactAction97% third-party, 0 ms blockingFIX
DPage Weight InventoryAction30 resources · 1.4 MB · 55 KB savings availableFIX
~54.7 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 30 resources | 1.4 MiB | ||||||
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
BPage Weight Budget1.4 MB transferred, 30 requestsREVIEW
BImage Optimization12 images, 0 KB saveableREVIEW
Set explicit width and height to prevent CLS.
Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.
Source: web.dev / Core Web Vitals
BJS Bundles8 scripts, 55 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://static-assets.strikinglycdn.com/webpack/lightBoostedPage-site-bundle.53f99a48f370c63807d6.js | 72 KB | 34 KB (48%) | ✓ | 3rd |
| https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.1/jquery.min.js | 27 KB | 20 KB (76%) | ✓ | 3rd |
| https://static-assets.strikinglycdn.com/detectIE-c385c24313ef0e9e4e7a1e131bf5e59f0fbd468f9f9ef44fd6739ae84ef0c0a4.js | 2 KB | — | ✓ | 3rd |
| https://static-assets.strikinglycdn.com/i18n-2ace11ac644d0b40fb8b7cb65e9dd1e553022750e0254118dacbe1fe50735e97.js | 4 KB | — | ✓ | 3rd |
| https://www.google-analytics.com/analytics.js | 21 KB | — | ✓ | 3rd |
| https://static-assets.strikinglycdn.com/webpack/4448.9bd9b002da4a307cafb8-site-bundle.js | 38 KB | — | ✓ | 3rd |
| https://static-assets.strikinglycdn.com/webpack/9498.62074136c7446856591a-site-bundle.js | 3 KB | — | ✓ | 3rd |
| https://static-assets.strikinglycdn.com/webpack/6757.edcadc2626ab3af71e85-site-bundle.js | 3 KB | — | ✓ | 3rd |
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
BHTTP/3 (QUIC)HTTP/3 not advertisedREVIEW
CCompression AlgorithmActionMain response served uncompressedREVIEW
BMain HTML Cache-ControlNo Cache-Control header on main HTML responseREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
A+Text CompressionAll text resources are compressedPASS
A+JS Execution Cost434ms total JS executionPASS
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://www.endisbarbers.ch/ | 265ms | 30ms | 9ms | 1st |
| https://static-assets.strikinglycdn.com/themes/s5-theme/main_v4.85860dc84defb98b2236.bundle.css | 59ms | 0ms | 0ms | 3rd |
| https://static-assets.strikinglycdn.com/webpack/lightBoostedPage-site-bundle.53f99a48f370c63807d6.js | 55ms | 47ms | 8ms | 3rd |
| Unattributable | 55ms | 2ms | 0ms | 3rd |
A+Font Loading6 fonts (174 KB)PASS
Web fonts
6
174 KB total
Render-blocking
0
of 6
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 ~12 KB and ~24 ms
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource HintsNo optimization neededPASS
A+LCP Image PreloadLCP preload audit not availablePASS
Network Waterfall30 requests over 4037msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
static-assets.strikinglycdn.com static-assets.strikinglycdn.com | Other | 59ms | 173 KB | — | CHF0/mo | Optional |
static-assets.strikinglycdn.com static-assets.strikinglycdn.com | Other | 55ms | 72 KB | 48% | CHF0/mo | Optional |
Unattributable Unattributable | Other | 55ms | 0 KB | — | CHF0/mo | Optional |