Performance
· 26 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.
1.70 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
3.95 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
74 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.012
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
3.24 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.
4.16 s
Page Load Progression
CJS Execution CostAction1413ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://breaktheice.games/ | 657ms | 8ms | 12ms | 1st |
| Unattributable | 251ms | 14ms | 0ms | 1st |
| https://breaktheice.games/_next/static/chunks/2403-6b84465da1f1c503.js | 234ms | 187ms | 23ms | 1st |
| https://breaktheice.games/_next/static/chunks/main-app-0ea3b2a13a4c310b.js | 192ms | 191ms | 0ms | 1st |
| https://breaktheice.games/_next/static/chunks/webpack-e1fd1979a03ffe8f.js | 78ms | 68ms | 1ms | 1st |
BMain HTML Cache-ControlCache-Control present but without max-ageREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
BHTTP Cachings-maxage=31536000REVIEW
s-maxage=31536000
| Directive | Value | Meaning |
|---|---|---|
| s-maxage | 31536000 | CDN caches for 52 weeks |
A+Page Weight Budget494 KB transferred, 34 requestsPASS
A+Third-Party ImpactNo third-party resourcesPASS
A+Text CompressionAll text resources are compressedPASS
AImage Optimization2 images, 0 KB saveablePASS
A+Font Loading3 fonts (55 KB)PASS
Web fonts
3
55 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+JS Bundles14 scripts, 40 KB unusedPASS
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://breaktheice.games/_next/static/chunks/9066-0affcf588bf6f411.js | 22 KB | 20 KB (96%) | ✓ | 1st |
| https://breaktheice.games/_next/static/chunks/2c5f143f-c627cdbdb3eb0f66.js | 55 KB | 20 KB (37%) | ✓ | 1st |
| https://breaktheice.games/_next/static/chunks/app/layout-b5297800f2defde9.js | 5 KB | — | ✓ | 1st |
| https://breaktheice.games/_next/static/chunks/main-app-0ea3b2a13a4c310b.js | 1 KB | — | ✓ | 1st |
| https://breaktheice.games/_next/static/chunks/5047-ce7d0e707b95927e.js | 4 KB | — | ✓ | 1st |
| https://breaktheice.games/_next/static/chunks/8160-0795d2d950508404.js | 6 KB | — | ✓ | 1st |
| https://breaktheice.games/_next/static/chunks/webpack-e1fd1979a03ffe8f.js | 2 KB | — | ✓ | 1st |
| https://breaktheice.games/_next/static/chunks/app/page-aff9a837812688ca.js | 11 KB | — | ✓ | 1st |
| https://breaktheice.games/_next/static/chunks/app/icebreaker-generator/page-bb15b42e6549e66e.js | 9 KB | — | ✓ | 1st |
| https://breaktheice.games/_next/static/chunks/3834-8c132166034b6f5e.js | 6 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
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource Hints7 hints, 0 missing preconnectsPASS
Current Resource Hints
7 resource hints configured
A+HTTP/3 (QUIC)HTTP/3 advertised via Alt-SvcPASS
A+Document CompressionDocument response uses brotliPASS
A+LCP Image PreloadLCP preload audit not availablePASS
A+Server Response Intelligence2 server-response signal(s) detectedPASS
A+Page Weight Inventory34 resources · 494 KB · 40 KB savings availablePASS
~40.3 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 34 resources | 493.8 KiB | ||||||
A+Render-Blocking ResourcesNo render-blocking resources detectedPASS
A+Third-Party ResourcesNo third-party resources detectedPASS
AJavaScript Blocking1 JS blocking issue(s) detectedPASS
ACSS Performance Depth1 CSS depth issue(s) detectedPASS
A+Green HostingWhether the site is served from green-energy infrastructurePASS
Green Hosting
This site is hosted on green energy infrastructure
Provider: Cloudflare
Asset CompressionNo text asset hosts to measureINFO
Network Waterfall34 requests over 2863msINFO
Image Optimization2 images, 187 KB total, 64 KB wastedINFO
Image Optimization Audit
Total Images
2
Total Size
187 KB
Oversized
1
Wasted
64 KB