Performance
· 15 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.
635 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
1.75 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
596 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.
2.51 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.
3.77 s
Page Load Progression
DJS BundlesAction40 scripts, 500 KB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://llamarpc.com/_next/static/chunks/pages/_app-3a704053e7a1d206.js | 461 KB | 197 KB (46%) | ✓ | 1st |
| https://llamarpc.com/_next/static/chunks/6072-b0f12d9a60dd71a7.js | 215 KB | 148 KB (69%) | ✓ | 1st |
| https://llamarpc.com/_next/static/chunks/5811.8841f2319e007584.js | 133 KB | 87 KB (66%) | ✓ | 1st |
| https://llamarpc.com/_next/static/chunks/8620.1af8492fcbf857b3.js | 74 KB | 47 KB (64%) | ✓ | 1st |
| https://llamarpc.com/_next/static/chunks/bd1a647f-165206b3b398af30.js | 23 KB | 20 KB (90%) | ✓ | 1st |
| https://llamarpc.com/_next/static/84mbJIQ4Ukr-JGrs6lkcn/_ssgManifest.js | 1 KB | — | ✓ | 1st |
| https://llamarpc.com/_next/static/chunks/8764-867055a7a0bc277c.js | 9 KB | — | ✓ | 1st |
| https://llamarpc.com/_next/static/chunks/4368.718a585b473842d4.js | 7 KB | — | ✓ | 1st |
| https://llamarpc.com/_next/static/chunks/webpack-482f0ee0d32fb06e.js | 4 KB | — | ✓ | 1st |
| https://llamarpc.com/_next/static/chunks/framework-a2363dd3c3dbe572.js | 44 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
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
DPage Weight InventoryAction82 resources · 1.7 MB · 500 KB savings availableFIX
~499.7 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 82 resources | 1.7 MiB | ||||||
CPage Weight BudgetAction1.7 MB transferred, 82 requestsREVIEW
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
Subset fonts to include only used characters, or switch to system font stacks.
Font payload is large — subset to used glyphs only, or fall back to system fonts (zero load time).
Source: web.dev font loading
BImage Optimization17 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
CJS Execution CostAction1902ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://llamarpc.com/_next/static/chunks/pages/_app-3a704053e7a1d206.js | 498ms | 371ms | 79ms | 1st |
| Unattributable | 306ms | 29ms | 0ms | 3rd |
| https://llamarpc.com/_next/static/chunks/framework-a2363dd3c3dbe572.js | 304ms | 289ms | 5ms | 1st |
| https://llamarpc.com/_next/static/chunks/8620.1af8492fcbf857b3.js | 298ms | 248ms | 13ms | 1st |
| https://llamarpc.com/eth | 189ms | 34ms | 2ms | 1st |
| https://llamarpc.com/cdn-cgi/challenge-platform/scripts/jsd/main.js | 121ms | 117ms | 1ms | 1st |
| https://llamarpc.com/_next/static/chunks/pages/public-rpc/%5Bchain%5D-ac3f5f5f64166539.js | 105ms | 105ms | 0ms | 1st |
| https://llamarpc.com/_next/static/chunks/5811.8841f2319e007584.js | 81ms | 56ms | 22ms | 1st |
BHTTP Cachingno-cacheREVIEW
no-cache
| Directive | Value | Meaning |
|---|---|---|
| no-cache | — | Cache but always revalidate first |
A+Third-Party Impact1% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
A+Font Loading8 fonts (338 KB)PASS
Web fonts
8
338 KB total
Render-blocking
0
of 8
Dominant font-display
swap
Most common across fonts
Font loading timeline
- Convert to woff2 for ~30% smaller file size
- Convert to woff2 for ~30% smaller file size
- Convert to woff2 for ~30% smaller file size
- Convert to woff2 for ~30% smaller file size
- Convert to woff2 for ~30% smaller file size
- Convert to woff2 for ~30% smaller file size
- 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 ~87 KB and ~174 ms
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource HintsNo optimization neededPASS
A+Green HostingWhether the site is served from green-energy infrastructurePASS
Green Hosting
This site is hosted on green energy infrastructure
Provider: Cloudflare
Network Waterfall82 requests over 4238msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Unattributable Unattributable | Other | 306ms | 0 KB | — | $4/mo | Costly |
These scripts may cost more than they're worth
- Unattributable adds 306ms and costs ~$4/month
Unattributable takes 306ms 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