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.
375 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
697 ms
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
110 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.
1.45 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.
710 ms
Page Load Progression
CJS Execution CostAction1238ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://staging.accomata.com/ | 402ms | 4ms | 2ms | 1st |
| https://staging.accomata.com/_next/static/chunks/3717-4cfbba2ad9e3d0c8.js | 300ms | 274ms | 14ms | 1st |
| https://staging.accomata.com/_next/static/chunks/4930-854b40fbcc9748a5.js | 296ms | 102ms | 5ms | 1st |
| Unattributable | 241ms | 7ms | 0ms | 1st |
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 |
A+Page Weight Budget412 KB transferred, 31 requestsPASS
A+Third-Party ImpactNo third-party resourcesPASS
A+Text CompressionAll text resources are compressedPASS
A+Image OptimizationNo images on this pagePASS
A+Font Loading3 fonts (127 KB)PASS
Web fonts
3
127 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, 47 KB unusedPASS
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://staging.accomata.com/_next/static/chunks/3717-4cfbba2ad9e3d0c8.js | 62 KB | 24 KB (39%) | ✓ | 1st |
| https://staging.accomata.com/_next/static/chunks/546986c0-5db05788c4e20f01.js | 62 KB | 23 KB (37%) | ✓ | 1st |
| https://staging.accomata.com/_next/static/chunks/7693-be989395fe8eca9c.js | 4 KB | — | ✓ | 1st |
| https://staging.accomata.com/_next/static/chunks/main-app-a4d0b69794e0664a.js | 1 KB | — | ✓ | 1st |
| https://staging.accomata.com/_next/static/chunks/5827-30ba73bcaeebe4a5.js | 6 KB | — | ✓ | 1st |
| https://staging.accomata.com/_next/static/chunks/app/layout-7afaf4b73c129487.js | 6 KB | — | ✓ | 1st |
| https://staging.accomata.com/_next/static/chunks/webpack-55426bba90dddde5.js | 3 KB | — | ✓ | 1st |
| https://staging.accomata.com/_next/static/chunks/4930-854b40fbcc9748a5.js | 41 KB | — | ✓ | 1st |
| https://staging.accomata.com/_next/static/chunks/4477-853779e20af04409.js | 3 KB | — | ✓ | 1st |
| https://staging.accomata.com/_next/static/chunks/75-79520152c764cda9.js | 5 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 HintsNo optimization neededPASS
A+LCP Image PreloadLCP preload audit not availablePASS
A+Server Response Intelligence2 server-response signal(s) detectedPASS
A+Page Weight Inventory31 resources · 412 KB · 47 KB savings availablePASS
~47.0 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 31 resources | 412.2 KiB | ||||||