Performance
· 28 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.
3.24 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
13.68 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
410 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.
6.22 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.
14.09 s
Page Load Progression
FPage Weight BudgetAction3.5 MB transferred, 206 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
Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests.
High HTTP request count — bundling, sprite-ing, and HTTP/2 server push can reduce per-request overhead.
Source: web.dev
DJS Execution CostAction2844ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| Unattributable | 830ms | 43ms | 0ms | 1st |
| https://frenchmeadows.com/ | 594ms | 137ms | 37ms | 1st |
| https://cdn.shopify.com/s/files/1/1905/9639/files/simply-insurance_27-10-26.js?v=1793175060 | 318ms | 287ms | 24ms | 3rd |
| https://frenchmeadows.com/cdn/shop/t/36/assets/global.js?v=1942545902055418081785874025 | 226ms | 20ms | 3ms | 1st |
| https://cdn.nfcube.com/instafeed-b4b38542920a098ac541fbbcfa425354.js | 215ms | 48ms | 4ms | 3rd |
| https://frenchmeadows.com/cdn/wpm/b264bf420w2e1681cap8d55857fm7d879f9cm.js | 208ms | 160ms | 27ms | 1st |
| https://cdn.shopify.com/extensions/01a15eff-8866-7000-97e8-c1c4ef33313e/casa-loyalty-534/assets/casa.js | 172ms | 82ms | 89ms | 3rd |
| https://frenchmeadows.com/cdn/shopifycloud/perf-kit/shopify-perf-kit-3.11.0.min.js | 111ms | 92ms | 6ms | 1st |
| https://frenchmeadows.com/cdn/s/trekkie.storefront.387430da5919a2f9b410f0ffaf5b70216a61abfb.min.js | 111ms | 95ms | 14ms | 1st |
| https://cdn.shopify.com/extensions/01a17ed0-9ffd-7030-b86b-5eb1068c8237/backinstock-1-751/assets/collection-notifyme.js | 58ms | 24ms | 16ms | 3rd |
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
CJS BundlesAction102 scripts, 199 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://cdn.shopify.com/extensions/01a15eff-8866-7000-97e8-c1c4ef33313e/casa-loyalty-534/assets/casa.js | 307 KB | 119 KB (41%) | ✓ | 3rd |
| https://frenchmeadows.com/cdn/wpm/b264bf420w2e1681cap8d55857fm7d879f9cm.js | 85 KB | 46 KB (55%) | ✓ | 1st |
| https://cdn.shopify.com/s/files/1/1905/9639/files/simply-insurance_27-10-26.js?v=1793175060 | 65 KB | 34 KB (52%) | ✓ | 3rd |
| https://frenchmeadows.com/cdn/shop/t/36/assets/constants.js?v=132983761750457495441785874025 | 1 KB | — | ✓ | 1st |
| https://cdn.shopify.com/storefront/standard-events.js | 4 KB | — | ✓ | 3rd |
| https://frenchmeadows.com/cdn/shop/t/36/assets/pubsub.js?v=25310214064522200911785874025 | 1 KB | — | ✓ | 1st |
| https://frenchmeadows.com/cdn/shop/t/36/assets/global.js?v=1942545902055418081785874025 | 9 KB | — | ✓ | 1st |
| https://frenchmeadows.com/cdn/shop/t/36/assets/cart-disclosure-modal.js?v=154804774285276548271785874025 | 2 KB | — | ✓ | 1st |
| https://cdn.shopify.com/shopifycloud/shop-js/modules/v2/loader.init-shop-cart-sync.en.esm.js | 1 KB | — | ✓ | 3rd |
| https://cdn.shopify.com/storefront/standard-actions.js | 5 KB | — | ✓ | 3rd |
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
BMain HTML Cache-ControlNo Cache-Control header on main HTML responseREVIEW
CPage Weight InventoryAction206 resources · 3.5 MB · 199 KB savings availableREVIEW
~199.0 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 206 resources | 3.5 MiB | ||||||
BCSS Performance Depth2 CSS depth issue(s) detectedREVIEW
A+Third-Party Impact15% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
AImage Optimization37 images, 0 KB saveablePASS
A+Font Loading3 fonts (52 KB)PASS
Web fonts
3
52 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+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource Hints212 hints, 0 missing preconnectsPASS
Current Resource Hints
212 resource hints configured
A+HTTP/3 (QUIC)HTTP/3 advertised via Alt-SvcPASS
A+Document CompressionDocument response uses brotliPASS
AAsset Compression1 of 3 asset hosts still on gzipPASS
A+LCP Image PreloadLCP preload audit not availablePASS
A+Server-Timing Observability18 Server-Timing entries advertisedPASS
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
A+JavaScript BlockingNo render-blocking JS or document.write usage detectedPASS
A+Green HostingWhether the site is served from green-energy infrastructurePASS
Green Hosting
This site is hosted on green energy infrastructure
Provider: Cloudflare
Network Waterfall206 requests over 4630msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
cdn.shopify.com cdn.shopify.com | Other | 318ms | 65 KB | 52% | €2/mo | Costly |
cdn.nfcube.com cdn.nfcube.com | Other | 215ms | 20 KB | — | €1/mo | Costly |
cdn.shopify.com cdn.shopify.com | Other | 172ms | 307 KB | 41% | €1/mo | Optional |
cdn.shopify.com cdn.shopify.com | Other | 58ms | 25 KB | — | €0/mo | Optional |
These scripts may cost more than they're worth
- cdn.shopify.com adds 318ms and costs ~€2/month
- cdn.nfcube.com adds 215ms and costs ~€1/month
cdn.shopify.com takes 318ms 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
52% of cdn.shopify.com'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
cdn.nfcube.com takes 215ms 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 (2026-09-29 — 2026-10-26)
LCP (p75)
1080 ms
96% good
INP (p75)
91 ms
97% good
CLS (p75)
0.000
99% good
FCP (p75)
895 ms
TTFB (p75)
508 ms
Image Optimization73 images, 956 KB total, 0 KB wastedINFO
Image Optimization Audit
Total Images
73
Total Size
956 KB