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.
5.62 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
13.81 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
1.82 s
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.007
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
7.74 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.
19.18 s
Page Load Progression
FPage Weight BudgetAction3.1 MB transferred, 299 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
DThird-Party ImpactAction100% third-party, 0 ms blockingFIX
FJS Execution CostAction10555ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://goodfair1.myshopify.com/ | 2748ms | 126ms | 30ms | 3rd |
| Unattributable | 2099ms | 205ms | 0ms | 3rd |
| https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js | 1107ms | 208ms | 14ms | 3rd |
| https://goodfair1.myshopify.com/cdn/wpm/b0e8c7c7aw41bd75a1p837d7fd4m8b145375m.js | 755ms | 658ms | 31ms | 3rd |
| https://goodfair1.myshopify.com/cdn/shop/t/360/assets/critical.js?v=169402557219780209121766433240 | 604ms | 20ms | 0ms | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-0JCF4YLMMR | 413ms | 319ms | 91ms | 3rd |
| https://goodfair1.myshopify.com/cdn/shopifycloud/perf-kit/shopify-perf-kit-3.3.1.min.js | 374ms | 192ms | 10ms | 3rd |
| https://www.googletagmanager.com/gtag/destination?id=AW-11305189733&cx=c>m=4e6461 | 332ms | 274ms | 55ms | 3rd |
| https://www.googletagmanager.com/gtag/destination?id=MC-ELYEDT6X9J&cx=c>m=4e6461 | 327ms | 262ms | 62ms | 3rd |
| https://goodfair1.myshopify.com/cdn/shopifycloud/shop-js/modules/v2/chunk.index_4uAqGWkW.en.esm.js | 252ms | 207ms | 1ms | 3rd |
Showing top 10 of 22 scripts
DHTTP CachingActionno-store (uncacheable)FIX
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
| Directive | Value | Meaning |
|---|---|---|
| private | — | Only browser cache, not CDN/proxy |
| max-age | 0 | Cache for 0 seconds |
| no-store | — | Never cache this response |
| no-cache | — | Cache but always revalidate first |
| must-revalidate | — | Must recheck with server after expiry |
| post-check | 0 | |
| pre-check | 0 |
BImage Optimization42 images, 0 KB saveableREVIEW
CJS BundlesAction181 scripts, 266 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://www.googletagmanager.com/gtag/destination?id=MC-ELYEDT6X9J&cx=c>m=4e6461 | 136 KB | 65 KB (48%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-0JCF4YLMMR | 164 KB | 63 KB (38%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtag/destination?id=AW-11305189733&cx=c>m=4e6461 | 137 KB | 58 KB (42%) | ✓ | 3rd |
| https://connect.facebook.net/en_US/fbevents.js | 95 KB | 33 KB (34%) | ✓ | 3rd |
| https://cdn1.stamped.io/files/widget.min.js?shop=goodfair1.myshopify.com | 31 KB | 25 KB (82%) | ✓ | 3rd |
| https://goodfair1.myshopify.com/cdn/wpm/b0e8c7c7aw41bd75a1p837d7fd4m8b145375m.js | 61 KB | 24 KB (40%) | ✓ | 3rd |
| https://goodfair1.myshopify.com/cdn/shopifycloud/shop-js/modules/v2/chunk.useEmailListener_Dt_9YC85.en.esm.js | 2 KB | — | ✓ | 3rd |
| https://goodfair1.myshopify.com/cdn/shopifycloud/shop-js/modules/v2/chunk.document_wK9XgDsR.esm.js | 1 KB | — | ✓ | 3rd |
| https://goodfair1.myshopify.com/cdn/shop/t/360/assets/component.js?v=74239122572524296041766433240 | 2 KB | — | ✓ | 3rd |
| https://goodfair1.myshopify.com/cdn/shop/t/360/assets/section-renderer.js?v=117273408521114569061766433240 | 2 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
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
A+Text CompressionAll text resources are compressedPASS
A+Font Loading6 fonts (170 KB)PASS
Web fonts
6
170 KB total
Render-blocking
0
of 6
Dominant font-display
swap
Most common across fonts
Font loading timeline
- 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 ~3 KB and ~6 ms
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource Hints8 hints, 0 missing preconnectsPASS
Current Resource Hints
8 resource hints configured
A+Render-Blocking ResourcesNo render-blocking resources detectedPASS
A+Third-Party ResourcesNo third-party resources 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 Waterfall299 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 |
|---|---|---|---|---|---|---|
goodfair1.myshopify.com goodfair1.myshopify.com | Other | 2748ms | 53 KB | — | €15/mo | Costly |
Unattributable Unattributable | Other | 2099ms | 0 KB | — | €11/mo | Costly |
ajax.googleapis.com ajax.googleapis.com | Other | 1107ms | 33 KB | — | €6/mo | Costly |
goodfair1.myshopify.com goodfair1.myshopify.com | Other | 755ms | 61 KB | 40% | €4/mo | Costly |
goodfair1.myshopify.com goodfair1.myshopify.com | Other | 604ms | 3 KB | — | €3/mo | Costly |
Google Tag Manager www.googletagmanager.com | Tag Manager | 413ms | 164 KB | 38% | €2/mo | Costly |
goodfair1.myshopify.com goodfair1.myshopify.com | Other | 374ms | 21 KB | — | €2/mo | Costly |
Google Tag Manager www.googletagmanager.com | Tag Manager | 332ms | 137 KB | 42% | €2/mo | Costly |
Google Tag Manager www.googletagmanager.com | Tag Manager | 327ms | 136 KB | 48% | €2/mo | Costly |
goodfair1.myshopify.com goodfair1.myshopify.com | Other | 252ms | 31 KB | — | €1/mo | Costly |
Facebook Pixel connect.facebook.net | Advertising | 249ms | 95 KB | 34% | €1/mo | Costly |
goodfair1.myshopify.com goodfair1.myshopify.com | Other | 230ms | 2 KB | — | €1/mo | Costly |
goodfair1.myshopify.com goodfair1.myshopify.com | Other | 213ms | 3 KB | — | €1/mo | Costly |
goodfair1.myshopify.com goodfair1.myshopify.com | Other | 197ms | 28 KB | — | €1/mo | Optional |
Facebook Pixel connect.facebook.net | Advertising | 119ms | 42 KB | — | €1/mo | Optional |
goodfair1.myshopify.com goodfair1.myshopify.com | Other | 110ms | 5 KB | — | €1/mo | Optional |
goodfair1.myshopify.com goodfair1.myshopify.com | Other | 91ms | 1 KB | — | €0/mo | Optional |
goodfair1.myshopify.com goodfair1.myshopify.com | Other | 76ms | 2 KB | — | €0/mo | Optional |
goodfair1.myshopify.com goodfair1.myshopify.com | Other | 75ms | 23 KB | — | €0/mo | Optional |
cdn1.stamped.io cdn1.stamped.io | Other | 74ms | 31 KB | 82% | €0/mo | Optional |
goodfair1.myshopify.com goodfair1.myshopify.com | Other | 55ms | 1 KB | — | €0/mo | Optional |
goodfair1.myshopify.com goodfair1.myshopify.com | Other | 53ms | 4 KB | — | €0/mo | Optional |
These scripts may cost more than they're worth
- goodfair1.myshopify.com adds 2748ms and costs ~€15/month
- Unattributable adds 2099ms and costs ~€11/month
- ajax.googleapis.com adds 1107ms and costs ~€6/month
- goodfair1.myshopify.com adds 755ms and costs ~€4/month
- goodfair1.myshopify.com adds 604ms and costs ~€3/month
- Google Tag Manager adds 413ms and costs ~€2/month
- goodfair1.myshopify.com adds 374ms and costs ~€2/month
- Google Tag Manager adds 332ms and costs ~€2/month
- Google Tag Manager adds 327ms and costs ~€2/month
- goodfair1.myshopify.com adds 252ms and costs ~€1/month
- Facebook Pixel adds 249ms and costs ~€1/month
- goodfair1.myshopify.com adds 230ms and costs ~€1/month
- goodfair1.myshopify.com adds 213ms and costs ~€1/month
100% of JavaScript execution time is spent on third-party scripts. Consider auditing which scripts are essential.
When third-party JS execution time exceeds your own, performance gains from frontend work are capped by code you don't own.
Learn more ▾ ▴
Every millisecond of third-party JS competes with your own for main-thread time. If their share is bigger than yours, optimization on your code base barely moves the needle. Audit, defer, or remove third-parties before further frontend optimization. Use Lighthouse's third-party audit to identify the worst offenders.
Source: web.dev
goodfair1.myshopify.com takes 2748ms 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
Unattributable takes 2099ms 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
ajax.googleapis.com takes 1107ms 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
goodfair1.myshopify.com takes 755ms 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
goodfair1.myshopify.com takes 604ms 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
Google Tag Manager takes 413ms 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
goodfair1.myshopify.com takes 374ms 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
Google Tag Manager takes 332ms 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
Google Tag Manager takes 327ms 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
goodfair1.myshopify.com takes 252ms 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
Facebook Pixel takes 249ms 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
goodfair1.myshopify.com takes 230ms 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
goodfair1.myshopify.com takes 213ms 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
82% of cdn1.stamped.io'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