Performance
· 16 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.
1.25 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
2.12 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
58 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.005
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
2.05 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.
3.43 s
Page Load Progression
FPage Weight BudgetAction3.0 MB transferred, 100 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
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
DJS BundlesAction39 scripts, 390 KB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://sunsetlimousines.com.au/z4e8/YkTxGSaKBapy3VVW4JGM80gBJ0XlZ2CQESh50F0wA8NllKwDf8Mwijb2 | 185 KB | 121 KB (66%) | ✓ | 1st |
| https://sunsetlimousines.com.au/z4e8/ | 153 KB | 81 KB (53%) | ✓ | 1st |
| https://www.googletagmanager.com/gtag/js?id=GT-PH393Q4S | 177 KB | 77 KB (50%) | ✓ | 3rd |
| https://sunsetlimousines.com.au/wp-content/plugins/tripetto/vendors/tripetto-runner-autoscroll.js?ver=8.0.11 | 150 KB | 71 KB (47%) | ✓ | 1st |
| https://sunsetlimousines.com.au/wp-content/plugins/tripetto/vendors/tripetto-runner.js?ver=8.0.11 | 82 KB | 40 KB (49%) | ✓ | 1st |
| https://sunsetlimousines.com.au/wp-content/plugins/jeg-elementor-kit/assets/js/elements/progress-bar.js?ver=3.1.0 | 2 KB | — | ✓ | 1st |
| https://sunsetlimousines.com.au/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1 | 5 KB | — | ✓ | 1st |
| https://sunsetlimousines.com.au/wp-content/plugins/elementor-pro/assets/js/webpack-pro.runtime.min.js?ver=4.0.4 | 3 KB | — | ✓ | 1st |
| https://sunsetlimousines.com.au/wp-content/plugins/wp-consent-api/assets/js/wp-consent-api.min.js?ver=2.0.1 | 1 KB | — | ✓ | 1st |
| https://sunsetlimousines.com.au/wp-includes/js/dist/i18n.min.js?ver=c26c3dc7bed366793375 | 3 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
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
CImage OptimizationAction14 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
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 CostAction1864ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://sunsetlimousines.com.au/ | 552ms | 37ms | 2ms | 1st |
| Unattributable | 316ms | 9ms | 0ms | 3rd |
| https://sunsetlimousines.com.au/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js | 294ms | 249ms | 5ms | 1st |
| https://sunsetlimousines.com.au/wp-content/plugins/tripetto/vendors/tripetto-runner-autoscroll.js?ver=8.0.11 | 251ms | 206ms | 29ms | 1st |
| https://sunsetlimousines.com.au/cdn-cgi/challenge-platform/scripts/jsd/main.js | 187ms | 177ms | 3ms | 1st |
| https://sunsetlimousines.com.au/z4e8/ | 112ms | 85ms | 22ms | 1st |
| https://www.googletagmanager.com/gtag/js?id=GT-PH393Q4S | 101ms | 66ms | 22ms | 3rd |
| https://sunsetlimousines.com.au/wp-content/plugins/tripetto/vendors/tripetto-runner.js?ver=8.0.11 | 53ms | 28ms | 13ms | 1st |
CPage Weight InventoryAction100 resources · 3.0 MB · 390 KB savings availableREVIEW
~390.1 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 100 resources | 3.0 MiB | ||||||
A+Third-Party Impact7% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
A+Font Loading4 fonts (426 KB)PASS
Web fonts
4
426 KB total
Render-blocking
0
of 4
Dominant font-display
swap
Most common across fonts
Font loading timeline
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
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 ~196 KB and ~392 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 Waterfall100 requests over 3908msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Unattributable Unattributable | Other | 316ms | 0 KB | — | A$3/mo | Costly |
Google Tag Manager www.googletagmanager.com | Tag Manager | 101ms | 177 KB | 50% | A$1/mo | Optional |
These scripts may cost more than they're worth
- Unattributable adds 316ms and costs ~A$3/month
Unattributable takes 316ms 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
50% of Google Tag Manager's code is unused. The script may be loading features you don't use.
Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.
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 (2026-04-07 — 2026-05-04)
LCP (p75)
3780 ms
63% good
INP (p75)
0 ms
0% good
CLS (p75)
0.140
72% good
FCP (p75)
3557 ms
TTFB (p75)
0 ms