Performance
· 24 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.
784 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
2.21 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
529 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.
3.17 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.
9.19 s
Page Load Progression
FPage Weight BudgetAction8.3 MB transferred, 892 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
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
FJS Execution CostAction7664ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://dotique.co.uk/ | 2774ms | 101ms | 33ms | 1st |
| https://dotique.co.uk/cdn/wpm/b9f5e2762wb720532ap19708c42m93b2bec3m.js | 1860ms | 654ms | 7ms | 1st |
| https://cdn.shopify.com/extensions/01a0ae84-d3d3-7ccd-aaf7-f1fb0700f0ef/lookfy-lookbook-gallery-846/assets/lookfy.js | 871ms | 292ms | 23ms | 3rd |
| Unattributable | 811ms | 81ms | 0ms | 1st |
| https://cdn.shopify.com/extensions/01a13d0b-6b9e-7358-bba3-0ed15fdc4b3e/propel-replays-69/assets/propel.js | 589ms | 454ms | 6ms | 3rd |
| https://cdn.shopify.com/extensions/01a14416-995f-7951-a981-854ef92a0fd4/judgeme-786/assets/loader.js | 205ms | 133ms | 0ms | 3rd |
| https://dotique.co.uk/cdn/shopifycloud/storefront/assets/shop_events_listener-4e26a9ce.js | 174ms | 172ms | 1ms | 1st |
| https://cdn.shopify.com/extensions/01a14416-995f-7951-a981-854ef92a0fd4/judgeme-786/assets/_plugin-vue_export-helper-DVpryo2A.js | 123ms | 101ms | 0ms | 3rd |
| https://cdn.salesfire.co.uk/js/app/main1.min.js | 100ms | 82ms | 4ms | 3rd |
| https://cdn.shopify.com/extensions/01a14416-995f-7951-a981-854ef92a0fd4/judgeme-786/assets/JLightboxCarousel-CsZ_-hk9.js | 81ms | 52ms | 0ms | 3rd |
Showing top 10 of 11 scripts
DJS BundlesAction351 scripts, 453 KB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://cdn.shopify.com/extensions/01a141bc-137c-7362-80ba-be5e4e091660/forms-2625/assets/index.js | 261 KB | 245 KB (94%) | ✓ | 3rd |
| https://cdn.shopify.com/extensions/01a13d0b-6b9e-7358-bba3-0ed15fdc4b3e/propel-replays-69/assets/propel.js | 69 KB | 43 KB (62%) | ✓ | 3rd |
| https://cdn.shopify.com/extensions/01a0ae84-d3d3-7ccd-aaf7-f1fb0700f0ef/lookfy-lookbook-gallery-846/assets/lookfy.js | 59 KB | 41 KB (70%) | ✓ | 3rd |
| https://dotique.co.uk/cdn/wpm/b9f5e2762wb720532ap19708c42m93b2bec3m.js | 83 KB | 40 KB (49%) | ✓ | 1st |
| https://cdn.shopify.com/extensions/01a13d71-8dfe-7798-b240-c95d16dbe2de/version_f53b9595-2026-10-15_09h43m/assets/bss-pl-init-config-run-scripts.js | 37 KB | 36 KB (96%) | ✓ | 3rd |
| https://cdn.salesfire.co.uk/js/app/main1.min.js | 49 KB | 28 KB (57%) | ✓ | 3rd |
| https://cdn.nfcube.com/instafeed-16121812df3eac0bcb1e4ecfe1a95fb3.js | 31 KB | 21 KB (68%) | ✓ | 3rd |
| https://cdn.shopify.com/extensions/01a14416-995f-7951-a981-854ef92a0fd4/judgeme-786/assets/widget_common.js | 0 KB | — | ✓ | 3rd |
| https://cdn.shopify.com/extensions/01a14416-995f-7951-a981-854ef92a0fd4/judgeme-786/assets/review_widget-C9I4CDCq.js | 0 KB | — | ✓ | 3rd |
| https://dotique.co.uk/cdn/shop/t/76/assets/component.js?v=175690430936884589731792144025 | 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
FPage Weight InventoryAction892 resources · 8.3 MB · 453 KB savings availableFIX
~453.1 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 892 resources | 8.3 MiB | ||||||
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
BThird-Party Impact43% third-party, 0 ms blockingREVIEW
BImage Optimization174 images, 0 KB saveableREVIEW
CDocument CompressionActionDocument response served uncompressedREVIEW
BAsset Compression2 of 5 asset hosts still on gzipREVIEW
BMain HTML Cache-ControlNo Cache-Control header on main HTML responseREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
A+Text CompressionAll text resources are compressedPASS
A+Font Loading5 fonts (226 KB)PASS
Web fonts
5
226 KB total
Render-blocking
0
of 5
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
- Convert to woff2 for ~30% smaller file size
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 ~54 KB and ~108 ms
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource HintsNo optimization neededPASS
A+HTTP/3 (QUIC)HTTP/3 advertised via Alt-SvcPASS
A+LCP Image PreloadLCP preload audit not availablePASS
A+Server Response Intelligence1 server-response signal(s) 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 Waterfall892 requests over 10621msINFO
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 | 871ms | 59 KB | 70% | £5/mo | Costly |
cdn.shopify.com cdn.shopify.com | Other | 589ms | 69 KB | 62% | £3/mo | Costly |
cdn.shopify.com cdn.shopify.com | Other | 205ms | 3 KB | — | £1/mo | Costly |
cdn.shopify.com cdn.shopify.com | Other | 123ms | 30 KB | — | £1/mo | Optional |
cdn.salesfire.co.uk cdn.salesfire.co.uk | Other | 100ms | 49 KB | 57% | £1/mo | Optional |
cdn.shopify.com cdn.shopify.com | Other | 81ms | 8 KB | — | £0/mo | Optional |
These scripts may cost more than they're worth
- cdn.shopify.com adds 871ms and costs ~£5/month
- cdn.shopify.com adds 589ms and costs ~£3/month
- cdn.shopify.com adds 205ms and costs ~£1/month
cdn.shopify.com takes 871ms 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
70% 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.shopify.com takes 589ms 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
62% 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.shopify.com takes 205ms 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
57% of cdn.salesfire.co.uk'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 (2026-09-19 — 2026-10-16)
LCP (p75)
1823 ms
89% good
INP (p75)
211 ms
73% good
CLS (p75)
0.020
83% good
FCP (p75)
1545 ms
TTFB (p75)
432 ms
Image Optimization200 images, 2941 KB total, 871 KB wastedINFO
Image Optimization Audit
Total Images
200
Total Size
2941 KB
Oversized
20
Wasted
871 KB