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.
3.08 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
5.75 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
389 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.
4.97 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.
5.75 s
Page Load Progression
DJS Execution CostAction3060ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://nextjs.org/_next/static/chunks/0a1x1u7w7w_b6.js?dpl=dpl_4QWkBNARjjn2QQ1dK6YLFMoxvfj9 | 1545ms | 1358ms | 17ms | 1st |
| https://nextjs.org/ | 936ms | 30ms | 20ms | 1st |
| Unattributable | 329ms | 9ms | 0ms | 3rd |
| https://nextjs.org/_next/static/chunks/23n3nv5rywuse.js?dpl=dpl_4QWkBNARjjn2QQ1dK6YLFMoxvfj9 | 103ms | 41ms | 3ms | 1st |
| https://nextjs.org/_next/static/chunks/0la2krl14st5p.js?dpl=dpl_4QWkBNARjjn2QQ1dK6YLFMoxvfj9 | 81ms | 48ms | 17ms | 1st |
| https://nextjs.org/_next/static/chunks/14k92bxdc7_ks.js?dpl=dpl_4QWkBNARjjn2QQ1dK6YLFMoxvfj9 | 66ms | 38ms | 12ms | 1st |
BImage Optimization10 images, 0 KB saveableREVIEW
BJS Bundles33 scripts, 86 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://nextjs.org/_next/static/chunks/3u6nxjif50jic.js?dpl=dpl_4QWkBNARjjn2QQ1dK6YLFMoxvfj9 | 36 KB | 35 KB (99%) | ✓ | 1st |
| https://nextjs.org/_next/static/chunks/0la2krl14st5p.js?dpl=dpl_4QWkBNARjjn2QQ1dK6YLFMoxvfj9 | 48 KB | 28 KB (58%) | ✓ | 1st |
| https://nextjs.org/_next/static/chunks/0a1x1u7w7w_b6.js?dpl=dpl_4QWkBNARjjn2QQ1dK6YLFMoxvfj9 | 71 KB | 23 KB (32%) | ✓ | 1st |
| https://nextjs.org/_next/static/chunks/2f9ws3k8s-iup.js?dpl=dpl_4QWkBNARjjn2QQ1dK6YLFMoxvfj9 | 18 KB | — | ✓ | 1st |
| https://nextjs.org/_next/static/chunks/2ov2zyeo7s_eu.js?dpl=dpl_4QWkBNARjjn2QQ1dK6YLFMoxvfj9 | 1 KB | — | ✓ | 1st |
| https://nextjs.org/_next/static/chunks/2gm4ueh9ymxi2.js?dpl=dpl_4QWkBNARjjn2QQ1dK6YLFMoxvfj9 | 2 KB | — | ✓ | 1st |
| https://nextjs.org/_next/static/chunks/0l6hffixgjbf5.js?dpl=dpl_4QWkBNARjjn2QQ1dK6YLFMoxvfj9 | 9 KB | — | ✓ | 1st |
| https://nextjs.org/_next/static/chunks/1ymujukeeebhf.js?dpl=dpl_4QWkBNARjjn2QQ1dK6YLFMoxvfj9 | 9 KB | — | ✓ | 1st |
| https://nextjs.org/_next/static/chunks/2f8hbnkha9h8w.js?dpl=dpl_4QWkBNARjjn2QQ1dK6YLFMoxvfj9 | 12 KB | — | ✓ | 1st |
| https://nextjs.org/_next/static/chunks/1l0ip_j9lyal6.js?dpl=dpl_4QWkBNARjjn2QQ1dK6YLFMoxvfj9 | 13 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
CCompression AlgorithmActionMain response served uncompressedREVIEW
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 |
APage Weight Budget830 KB transferred, 68 requestsPASS
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
JavaScript bundle is large — code-split routes and lazy-load off-screen components to defer.
Source: web.dev
A+Third-Party ImpactNo third-party resourcesPASS
A+Text CompressionAll text resources are compressedPASS
A+Font Loading3 fonts (60 KB)PASS
Web fonts
3
60 KB total
Render-blocking
0
of 3
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+Main HTML Cache-ControlMain HTML max-age=0 (≤ 5min) is appropriatePASS
A+Page Weight Inventory68 resources · 830 KB · 86 KB savings availablePASS
~85.7 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 68 resources | 830.4 KiB | ||||||
A+Render-Blocking ResourcesNo render-blocking resources detectedPASS
A+Third-Party ResourcesNo third-party resources detectedPASS
Network Waterfall68 requests over 2352msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Unattributable Unattributable | Other | 329ms | 0 KB | — | $4/mo | Costly |
These scripts may cost more than they're worth
- Unattributable adds 329ms and costs ~$4/month
Unattributable takes 329ms 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 (2026-04-09 — 2026-05-06)
LCP (p75)
1143 ms
93% good
INP (p75)
70 ms
94% good
CLS (p75)
0.000
99% good
FCP (p75)
1132 ms
TTFB (p75)
477 ms