Performance
· 27 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.
3.11 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
20.59 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
194 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.006
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
7.00 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.
20.81 s
Page Load Progression
FPage Weight BudgetAction4.1 MB transferred, 32 requestsFIX
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Image bandwidth is high — modern formats (WebP/AVIF) and resizing typically cut it 50%+.
Source: web.dev
BImage Optimization12 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 CostAction1846ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://www.itechnologies.com.au/ | 787ms | 8ms | 1ms | 1st |
| Unattributable | 510ms | 35ms | 0ms | 3rd |
| https://www.itechnologies.com.au/_next/static/chunks/framework-64ad27b21261a9ce.js | 202ms | 158ms | 12ms | 1st |
| https://www.itechnologies.com.au/_next/static/chunks/pages/_app-6c7e9be9b3ffbdf8.js | 161ms | 123ms | 37ms | 1st |
| https://www.itechnologies.com.au/_next/static/chunks/711.aa730196f53cd428.js | 95ms | 9ms | 2ms | 1st |
| https://www.itechnologies.com.au/_next/static/chunks/main-f4701d23e362eb77.js | 91ms | 81ms | 8ms | 1st |
BJS Bundles9 scripts, 92 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://www.itechnologies.com.au/_next/static/chunks/pages/_app-6c7e9be9b3ffbdf8.js | 139 KB | 92 KB (66%) | ✓ | 1st |
| https://www.itechnologies.com.au/_next/static/chunks/webpack-16b2a5204f31b481.js | 2 KB | — | ✓ | 1st |
| https://www.itechnologies.com.au/_next/static/chunks/framework-64ad27b21261a9ce.js | 42 KB | — | ✓ | 1st |
| https://www.itechnologies.com.au/_next/static/chunks/main-f4701d23e362eb77.js | 32 KB | — | ✓ | 1st |
| https://www.itechnologies.com.au/_next/static/chunks/pages/index-ed7b07fe9d72ad95.js | 2 KB | — | ✓ | 1st |
| https://www.itechnologies.com.au/_next/static/Qx6373HfMX7-LtzWOJT-r/_buildManifest.js | 1 KB | — | ✓ | 1st |
| https://www.itechnologies.com.au/_next/static/Qx6373HfMX7-LtzWOJT-r/_ssgManifest.js | 1 KB | — | ✓ | 1st |
| https://www.itechnologies.com.au/_next/static/chunks/711.aa730196f53cd428.js | 5 KB | — | ✓ | 1st |
| https://www.itechnologies.com.au/_next/static/chunks/947.cfa6b7c5a7763164.js | 1 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
BHTTP/3 (QUIC)HTTP/3 not advertisedREVIEW
CCompression AlgorithmActionMain response served uncompressedREVIEW
CMain HTML Cache-ControlActionMain HTML max-age=86400 (~1440min) is aggressiveREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
CPage Weight InventoryAction32 resources · 4.1 MB · 92 KB savings availableREVIEW
~92.2 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 32 resources | 4.1 MiB | ||||||
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
A+Third-Party Impact3% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
A+Font Loading4 fonts (122 KB)PASS
Web fonts
4
122 KB total
Render-blocking
0
of 4
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 Hints3 hints, 0 missing preconnectsPASS
Current Resource Hints
3 resource hints configured
A+LCP Image PreloadLCP preload audit not availablePASS
A+Server Response Intelligence2 server-response signal(s) detectedPASS
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+HTTP Cachingmax-age=86400 (1 day)PASS
public, max-age=86400, s-maxage=2592000
| Directive | Value | Meaning |
|---|---|---|
| public | — | Any cache may store this response |
| max-age | 86400 | Cache for 1 day |
| s-maxage | 2592000 | CDN caches for 4 weeks |
Network Waterfall32 requests over 1570msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Unattributable Unattributable | Other | 510ms | 0 KB | — | A$9/mo | Costly |
These scripts may cost more than they're worth
- Unattributable adds 510ms and costs ~A$9/month
Unattributable takes 510ms 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 (2026-04-11 — 2026-05-08)
LCP (p75)
1618 ms
85% good
INP (p75)
100 ms
98% good
CLS (p75)
0.010
99% good
FCP (p75)
1125 ms
TTFB (p75)
643 ms
Image Optimization81 images, 3944 KB total, 3903 KB wastedINFO
Image Optimization Audit
Total Images
81
Total Size
3944 KB
Oversized
21
Wasted
3903 KB