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.
1.35 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
2.51 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
179 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.015
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
1.57 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.
6.60 s
Page Load Progression
CJS Execution CostAction1731ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://mewix.net/ | 646ms | 7ms | 45ms | 1st |
| https://mewix.net/_next/static/chunks/3794-d440835018bcb673.js | 437ms | 398ms | 19ms | 1st |
| Unattributable | 259ms | 18ms | 0ms | 1st |
| https://www.googletagmanager.com/gtag/js?l=dataLayer&id=G-6CXVQ5JJEF | 228ms | 194ms | 33ms | 3rd |
| https://mewix.net/_next/static/chunks/4bd1b696-8a4ab4fdf0ae305a.js | 94ms | 19ms | 15ms | 1st |
| https://mewix.net/_next/static/chunks/5301-21dd6688df0427a1.js | 68ms | 55ms | 3ms | 1st |
BJS Bundles15 scripts, 119 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://www.googletagmanager.com/gtag/js?l=dataLayer&id=G-6CXVQ5JJEF | 159 KB | 68 KB (43%) | ✓ | 3rd |
| https://mewix.net/_next/static/chunks/4bd1b696-8a4ab4fdf0ae305a.js | 63 KB | 27 KB (43%) | ✓ | 1st |
| https://mewix.net/_next/static/chunks/3794-d440835018bcb673.js | 66 KB | 24 KB (37%) | ✓ | 1st |
| https://mewix.net/_next/static/chunks/8437-c29fc027b8f18fbb.js | 7 KB | — | ✓ | 1st |
| https://mewix.net/_next/static/chunks/5301-21dd6688df0427a1.js | 14 KB | — | ✓ | 1st |
| https://mewix.net/_next/static/chunks/app/layout-c6606dcd94be679e.js | 2 KB | — | ✓ | 1st |
| https://mewix.net/_next/static/chunks/webpack-10db98be6fb4b638.js | 4 KB | — | ✓ | 1st |
| https://mewix.net/_next/static/chunks/8500-74c368e06d70378e.js | 5 KB | — | ✓ | 1st |
| https://mewix.net/_next/static/chunks/app/error-81342f089d007370.js | 3 KB | — | ✓ | 1st |
| https://mewix.net/_next/static/chunks/app/(site)/page-3c50ef111aeccc8a.js | 3 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
BHTTP/3 (QUIC)HTTP/3 not advertisedREVIEW
BDocument CompressionDocument response uses gzip; brotli would be ~20% smallerREVIEW
BMain HTML Cache-ControlCache-Control present but without max-ageREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
BHTTP Cachings-maxage=31536000REVIEW
s-maxage=31536000
| Directive | Value | Meaning |
|---|---|---|
| s-maxage | 31536000 | CDN caches for 52 weeks |
APage Weight Budget786 KB transferred, 41 requestsPASS
AThird-Party Impact20% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
A+Image Optimization4 images, 0 KB saveablePASS
A+Font Loading2 fonts (62 KB)PASS
Web fonts
2
62 KB total
Render-blocking
0
of 2
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 Hints1 hints, 0 missing preconnectsPASS
Current Resource Hints
1 resource hints configured
A+LCP Image PreloadLCP preload audit not availablePASS
A+Server Response Intelligence2 server-response signal(s) detectedPASS
A+Page Weight Inventory41 resources · 786 KB · 119 KB savings availablePASS
~118.6 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 41 resources | 785.7 KiB | ||||||
A+Render-Blocking ResourcesNo render-blocking resources detectedPASS
A+Third-Party ResourcesNo third-party resources detectedPASS
AJavaScript Blocking1 JS blocking issue(s) detectedPASS
A+CSS Performance DepthNo CSS performance depth issues detectedPASS
Asset CompressionNo text asset hosts to measureINFO
Network Waterfall41 requests over 1153msINFO
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 | 228ms | 159 KB | 43% | €3/mo | Costly |
These scripts may cost more than they're worth
- Google Tag Manager adds 228ms and costs ~€3/month
Google Tag Manager takes 228ms 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
Image Optimization8 images, 90 KB total, 0 KB wastedINFO
Image Optimization Audit
Total Images
8
Total Size
90 KB