Performance
· 21 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.
852 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
3.03 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
242 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.003
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
1.50 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.
3.03 s
Page Load Progression
DPage Weight BudgetAction2.4 MB transferred, 24 requestsFIX
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
FJS BundlesAction15 scripts, 1.4 MB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://intent.kumorai.io/main.b2e477fcccefdded4d1f.js | 824 KB | 538 KB (65%) | ✓ | 1st |
| https://intent.kumorai.io/61.9350838b2192087324ce.js | 383 KB | 382 KB (100%) | ✓ | 1st |
| https://intent.kumorai.io/scripts.1997f9227ae5e5638520.js | 448 KB | 275 KB (61%) | ✓ | 1st |
| https://intent.kumorai.io/78.f2a42a3cec7ea243eda3.js | 203 KB | 108 KB (53%) | ✓ | 1st |
| https://intent.kumorai.io/7.43f8a0cde085b9746148.js | 114 KB | 95 KB (83%) | ✓ | 1st |
| https://intent.kumorai.io/3.50ba4308c9bfed7c86de.js | 88 KB | 62 KB (71%) | ✓ | 1st |
| https://intent.kumorai.io/1.7213255bccc546f0a81d.js | 8 KB | — | ✓ | 1st |
| https://intent.kumorai.io/assets/sql-formatter/sql-formatter.min.js | 12 KB | — | ✓ | 1st |
| https://intent.kumorai.io/0.b982a13c099feaedc6f0.js | 9 KB | — | ✓ | 1st |
| https://intent.kumorai.io/common.83ab2645a94cf3b65242.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
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
FPage Weight InventoryAction24 resources · 2.4 MB · 1.4 MB savings availableFIX
~1.4 MiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 24 resources | 2.4 MiB | ||||||
BJS Execution Cost600ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://intent.kumorai.io/main.b2e477fcccefdded4d1f.js | 187ms | 121ms | 65ms | 1st |
| https://intent.kumorai.io/61.9350838b2192087324ce.js | 154ms | 110ms | 34ms | 1st |
| https://intent.kumorai.io/ | 142ms | 1ms | 0ms | 1st |
| https://intent.kumorai.io/scripts.1997f9227ae5e5638520.js | 117ms | 63ms | 48ms | 1st |
BHTTP/3 (QUIC)HTTP/3 not advertisedREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
A+Third-Party Impact1% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
AImage Optimization1 images, 0 KB saveablePASS
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
A+Font Loading2 fonts (16 KB)PASS
Web fonts
2
16 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+Compression AlgorithmMain response uses brotliPASS
A+LCP Image PreloadLCP preload audit not availablePASS
A+Main HTML Cache-ControlMain HTML max-age=30 (≤ 5min) is appropriatePASS
A+Server Response Intelligence2 server-response signal(s) detectedPASS
A+HTTP Cachingmax-age=30 (30 seconds)PASS
public, must-revalidate, max-age=30
| Directive | Value | Meaning |
|---|---|---|
| public | — | Any cache may store this response |
| must-revalidate | — | Must recheck with server after expiry |
| max-age | 30 | Cache for 30 seconds |
Network Waterfall24 requests over 1638msINFO
Image Optimization2 images, 5 KB total, 0 KB wastedINFO
Image Optimization Audit
Total Images
2
Total Size
5 KB