Performance
· 14 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.
641 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
940 ms
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
159 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.002
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.
3.52 s
Page Load Progression
FPage Weight BudgetAction3.7 MB transferred, 254 requestsFIX
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 CostAction2624ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://flourist.com/ | 947ms | 48ms | 7ms | 1st |
| https://flourist.com/cdn/shop/t/50/assets/theme.js?v=177227875607832870501724115145 | 472ms | 185ms | 15ms | 1st |
| Unattributable | 393ms | 9ms | 0ms | 3rd |
| https://assets.gameball.co/widget/js/gameball.widget.min.js?v=20260405.5 | 353ms | 221ms | 18ms | 3rd |
| https://flourist.com/cdn/wpm/b0e8c7c7aw41bd75a1p837d7fd4m8b145375m.js | 106ms | 75ms | 7ms | 1st |
| https://flourist.com/cdn/shop/t/50/assets/vendor.js?v=69555399850987115801724115146 | 92ms | 77ms | 4ms | 1st |
| https://www.googletagmanager.com/gtag/js?id=GT-PLFFBWT | 81ms | 63ms | 18ms | 3rd |
| https://flourist.com/cdn/shopifycloud/shop-js/modules/v2/chunk.index_4uAqGWkW.en.esm.js | 65ms | 30ms | 0ms | 1st |
| https://static.klaviyo.com/onsite/js/build-preview/commit-98747c9b1816a2f78e748cdc073a286a0296d9f7/sharedUtils.a9ddf879f3b12a71706e.js?cb=2 | 58ms | 52ms | 2ms | 3rd |
| https://connect.facebook.net/en_US/fbevents.js | 56ms | 43ms | 12ms | 3rd |
DJS BundlesAction117 scripts, 347 KB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://assets.gameball.co/widget/js/gameball.widget.min.js?v=20260405.5 | 143 KB | 88 KB (62%) | ✓ | 3rd |
| https://flourist.com/cdn/shop/t/50/assets/theme.js?v=177227875607832870501724115145 | 94 KB | 62 KB (67%) | ✓ | 1st |
| https://www.googletagmanager.com/gtag/js?id=GT-PLFFBWT | 136 KB | 62 KB (46%) | ✓ | 3rd |
| https://connect.facebook.net/en_US/fbevents.js | 95 KB | 33 KB (35%) | ✓ | 3rd |
| https://cdn.shopify.com/extensions/019d681e-7fde-727c-a532-d2ab100b08d4/zapiet-pickup-delivery-1177/assets/storepickup.js | 46 KB | 30 KB (67%) | ✓ | 3rd |
| https://cdn1.stamped.io/files/widget.min.js?shop=grain-inc.myshopify.com | 32 KB | 28 KB (88%) | ✓ | 3rd |
| https://flourist.com/cdn/wpm/b0e8c7c7aw41bd75a1p837d7fd4m8b145375m.js | 61 KB | 24 KB (39%) | ✓ | 1st |
| https://cdn.shopify.com/extensions/019d681e-7fde-727c-a532-d2ab100b08d4/zapiet-pickup-delivery-1177/assets/vendor.js | 24 KB | 21 KB (92%) | ✓ | 3rd |
| https://static.klaviyo.com/onsite/js/build-preview/commit-98747c9b1816a2f78e748cdc073a286a0296d9f7/event_adapter.4f7be3f375ef0d59c121.js?cb=2 | 1 KB | — | ✓ | 3rd |
| https://flourist.com/cdn/shopifycloud/checkout-web/assets/c1/Map-PickupPointCarrierLogo.CzOa9V3U.js | 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.
BImage Optimization44 images, 0 KB saveableREVIEW
AThird-Party Impact38% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
A+Font Loading14 fonts (293 KB)PASS
Web fonts
14
293 KB total
Render-blocking
0
of 14
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 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 Waterfall254 requests over 0msINFO
Performance analysis not available for this result.
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Unattributable Unattributable | Other | 393ms | 0 KB | — | €2/mo | Costly |
assets.gameball.co assets.gameball.co | Other | 353ms | 143 KB | 62% | €2/mo | Costly |
Google Tag Manager www.googletagmanager.com | Tag Manager | 81ms | 136 KB | 46% | €0/mo | Optional |
static.klaviyo.com static.klaviyo.com | Other | 58ms | 23 KB | — | €0/mo | Optional |
Facebook Pixel connect.facebook.net | Advertising | 56ms | 95 KB | 35% | €0/mo | Optional |
These scripts may cost more than they're worth
- Unattributable adds 393ms and costs ~€2/month
- assets.gameball.co adds 353ms and costs ~€2/month
Unattributable takes 393ms 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
assets.gameball.co takes 353ms 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 assets.gameball.co'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