Performance
· 23 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.
474 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
866 ms
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
3 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.
474 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.
1.11 s
Page Load Progression
BJS Execution Cost516ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://mewix.net/ | 209ms | 2ms | 10ms | 1st |
| https://mewix.net/_next/static/chunks/3794-d440835018bcb673.js | 96ms | 80ms | 8ms | 1st |
| Unattributable | 81ms | 8ms | 0ms | 1st |
| https://mewix.net/_next/static/chunks/4bd1b696-8a4ab4fdf0ae305a.js | 71ms | 55ms | 5ms | 1st |
| https://www.googletagmanager.com/gtag/js?l=dataLayer&id=G-6CXVQ5JJEF | 58ms | 49ms | 9ms | 3rd |
BJS Bundles17 scripts, 118 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 (44%) | ✓ | 1st |
| https://mewix.net/_next/static/chunks/3794-d440835018bcb673.js | 66 KB | 24 KB (37%) | ✓ | 1st |
| https://mewix.net/_next/static/chunks/app/error-81342f089d007370.js | 3 KB | — | ✓ | 1st |
| https://mewix.net/_next/static/chunks/app/(site)/layout-024a276addf80e06.js | 11 KB | — | ✓ | 1st |
| https://mewix.net/_next/static/chunks/app/layout-c6606dcd94be679e.js | 2 KB | — | ✓ | 1st |
| https://mewix.net/_next/static/chunks/8437-c29fc027b8f18fbb.js | 7 KB | — | ✓ | 1st |
| https://mewix.net/_next/static/chunks/8500-74c368e06d70378e.js | 5 KB | — | ✓ | 1st |
| https://mewix.net/_next/static/chunks/webpack-10db98be6fb4b638.js | 4 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 Budget854 KB transferred, 53 requestsPASS
A+Third-Party Impact19% 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 HintsNo optimization neededPASS
A+LCP Image PreloadLCP preload audit not availablePASS
A+Server Response Intelligence2 server-response signal(s) detectedPASS
A+Page Weight Inventory53 resources · 854 KB · 118 KB savings availablePASS
~118.5 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 53 resources | 854.3 KiB | ||||||
Asset CompressionNo text asset hosts to measureINFO
Network Waterfall53 requests over 981msINFO
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 | 58ms | 159 KB | 43% | €1/mo | Optional |
Image Optimization8 images, 90 KB total, 0 KB wastedINFO
Image Optimization Audit
Total Images
8
Total Size
90 KB