Performance
· 27 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.
2.83 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
4.08 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
1.36 s
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.
5.89 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.
21.64 s
Page Load Progression
FPage Weight BudgetAction2.8 MB transferred, 372 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
Remove unused CSS rules with tools like PurgeCSS to reduce stylesheet size.
CSS bundle is large — purge unused styles (PurgeCSS, Tailwind JIT) to reduce CSS payload.
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
FJS Execution CostAction6735ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://magicmotorsport.shop/static/version1786090959/frontend/Smartwave/porto_child/en_GB/requirejs/require.js | 2294ms | 1891ms | 11ms | 1st |
| Unattributable | 1333ms | 10ms | 0ms | 1st |
| https://magicmotorsport.shop/ | 904ms | 89ms | 16ms | 1st |
| https://www.googletagmanager.com/gtag/js?id=G-0ZWBF1GZ3Y | 507ms | 451ms | 44ms | 3rd |
| https://connect.facebook.net/signals/config/770729000177141?v=2.9.384&r=stable&domain=magicmotorsport.shop&im=1&hme=3517d0f210c4a0b527ceb45c3c41c05158fe7c1ff53c0e2e1c36eeea4709b2af&ex_m=113%2C218%2C164%2C25%2C78%2C79%2C156%2C74%2C73%2C11%2C174%2C98%2C19%2C148%2C136%2C43%2C81%2C86%2C144%2C169%2C176%2C29%2C17%2C30%2C31%2C32%2C34%2C52%2C157%2C83%2C121%2C21%2C23%2C48%2C44%2C46%2C45%2C91%2C100%2C104%2C119%2C155%2C158%2C50%2C120%2C27%2C24%2C128%2C75%2C40%2C160%2C159%2C161%2C152%2C150%2C28%2C39%2C63%2C118%2C171%2C76%2C20%2C123%2C89%2C72%2C22%2C93%2C94%2C125%2C92%2C146%2C145%2C149%2C105%2C170%2C173%2C38%2C53%2C122%2C51%2C8%2C4%2C5%2C7%2C6%2C3%2C99%2C110%2C177%2C185%2C232%2C80%2C245%2C244%2C243%2C14%2C26%2C37%2C59%2C112%2C65%2C10%2C69%2C106%2C107%2C108%2C114%2C139%2C35%2C33%2C141%2C142%2C143%2C138%2C137%2C165%2C82%2C168%2C166%2C167%2C54%2C64%2C132%2C18%2C172%2C49%2C291%2C292%2C290%2C305%2C327%2C225%2C214%2C66%2C215%2C213%2C330%2C321%2C56%2C226%2C116%2C140%2C88%2C130%2C58%2C129%2C135%2C134%2C62%2C70%2C68%2C162%2C84%2C85%2C124%2C41%2C36%2C57%2C60%2C109%2C175%2C1%2C133%2C16%2C131%2C12%2C2%2C61%2C101%2C15%2C71%2C67%2C127%2C97%2C96%2C178%2C179%2C102%2C103%2C9%2C111%2C55%2C153%2C95%2C87%2C77%2C126%2C115%2C47%2C154%2C0%2C90%2C147%2C151%2C163%2C42%2C117%2C13%2C180 | 323ms | 297ms | 25ms | 3rd |
| https://connect.facebook.net/en_US/fbevents.js | 306ms | 273ms | 30ms | 3rd |
| https://magicmotorsport.shop/cdn-cgi/challenge-platform/scripts/jsd/main.js | 288ms | 231ms | 1ms | 1st |
| https://cdn.iubenda.com/cookie_solution/iubenda_cs/1.104.3/core-en.js | 199ms | 151ms | 38ms | 3rd |
| https://www.googletagmanager.com/gtm.js?id=GTM-TVTJC43 | 116ms | 82ms | 33ms | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-9F09DJXYXN | 79ms | 31ms | 48ms | 3rd |
Showing top 10 of 16 scripts
FJS BundlesAction242 scripts, 552 KB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://www.googletagmanager.com/gtag/js?id=AW-968961313 | 188 KB | 118 KB (63%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-9F09DJXYXN | 188 KB | 118 KB (63%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtm.js?id=GTM-TVTJC43 | 122 KB | 64 KB (53%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-0ZWBF1GZ3Y | 188 KB | 59 KB (31%) | ✓ | 3rd |
| https://cdn.iubenda.com/cookie_solution/iubenda_cs/1.104.3/core-en.js | 112 KB | 52 KB (47%) | ✓ | 3rd |
| https://searchanise-ef84.kxcdn.com/widgets.26868.min.js | 65 KB | 48 KB (73%) | ✓ | 3rd |
| https://magicmotorsport.shop/static/version1786090959/frontend/Smartwave/porto_child/en_GB/jquery.js | 89 KB | 33 KB (37%) | ✗ | 1st |
| https://magicmotorsport.shop/static/version1786090959/frontend/Smartwave/porto_child/en_GB/knockoutjs/knockout.js | 76 KB | 30 KB (40%) | ✗ | 1st |
| https://connect.facebook.net/en_US/fbevents.js | 105 KB | 30 KB (28%) | ✓ | 3rd |
| https://magicmotorsport.shop/static/version1786090959/frontend/Smartwave/porto_child/en_GB/jquery/ui-modules/scroll-parent.js | 1 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 InventoryAction372 resources · 2.8 MB · 552 KB savings availableFIX
~551.6 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 372 resources | 2.8 MiB | ||||||
DHTTP CachingActionno-store (uncacheable)FIX
no-store, no-cache, must-revalidate, max-age=0
| Directive | Value | Meaning |
|---|---|---|
| no-store | — | Never cache this response |
| no-cache | — | Cache but always revalidate first |
| must-revalidate | — | Must recheck with server after expiry |
| max-age | 0 | Cache for 0 seconds |
BThird-Party Impact48% third-party, 0 ms blockingREVIEW
CImage OptimizationAction71 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
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
BHTTP/3 (QUIC)HTTP/3 not advertisedREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
BJavaScript Blocking2 JS blocking issue(s) detectedREVIEW
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
A+Text CompressionAll text resources are compressedPASS
A+Font Loading4 fonts (177 KB)PASS
Web fonts
4
177 KB total
Render-blocking
0
of 4
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+Compression AlgorithmMain response uses brotliPASS
A+LCP Image PreloadLCP preload audit not availablePASS
A+Main HTML Cache-ControlMain HTML uses no-store -- correct for sensitive/dynamic contentPASS
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
ACSS Performance Depth1 CSS depth issue(s) detectedPASS
Network Waterfall372 requests over 2981msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Google Tag Manager www.googletagmanager.com | Tag Manager | 507ms | 188 KB | 31% | €3/mo | Costly |
Facebook Pixel connect.facebook.net | Advertising | 323ms | 68 KB | — | €2/mo | Costly |
Facebook Pixel connect.facebook.net | Advertising | 306ms | 105 KB | 28% | €2/mo | Costly |
Iubenda cdn.iubenda.com | Consent | 199ms | 112 KB | 47% | €1/mo | Essential |
Google Tag Manager www.googletagmanager.com | Tag Manager | 116ms | 122 KB | 53% | €1/mo | Optional |
Google Tag Manager www.googletagmanager.com | Tag Manager | 79ms | 188 KB | 63% | €0/mo | Optional |
Google Tag Manager www.googletagmanager.com | Tag Manager | 78ms | 188 KB | 63% | €0/mo | Optional |
widget.trustpilot.com widget.trustpilot.com | Other | 63ms | 8 KB | — | €0/mo | Optional |
searchserverapi1.com searchserverapi1.com | Other | 55ms | 2 KB | — | €0/mo | Optional |
These scripts may cost more than they're worth
- Google Tag Manager adds 507ms and costs ~€3/month
- Facebook Pixel adds 323ms and costs ~€2/month
- Facebook Pixel adds 306ms and costs ~€2/month
Google Tag Manager takes 507ms 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 323ms 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 306ms 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
53% 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
63% 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
63% 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 (2026-07-26 — 2026-08-22)
LCP (p75)
2100 ms
84% good
INP (p75)
119 ms
92% good
CLS (p75)
0.020
87% good
FCP (p75)
2016 ms
TTFB (p75)
1257 ms
Image Optimization116 images, 656 KB total, 49 KB wastedINFO
Image Optimization Audit
Total Images
116
Total Size
656 KB
Oversized
6
Wasted
49 KB