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.
1.18 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
6.74 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
358 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.001
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
2.74 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.
15.65 s
Page Load Progression
FPage Weight BudgetAction3.8 MB transferred, 83 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
DThird-Party ImpactAction92% third-party, 0 ms blockingFIX
DJS Execution CostAction2714ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| Unattributable | 643ms | 62ms | 0ms | 1st |
| https://socialwebtv.it/ | 593ms | 32ms | 17ms | 1st |
| https://www.googletagmanager.com/gtag/js?id=G-MTP6G1QZM0 | 370ms | 312ms | 54ms | 3rd |
| https://socialwebtv.it/_next/static/chunks/23-05c6e876bf0a7dae.js | 355ms | 332ms | 15ms | 1st |
| https://www.googletagmanager.com/gtm.js?id=GTM-PL4L9T6K | 243ms | 203ms | 33ms | 3rd |
| https://connect.facebook.net/en_US/fbevents.js | 156ms | 102ms | 53ms | 3rd |
| https://socialwebtv.it/_next/static/chunks/fd9d1056-32262c1ad6585ac8.js | 143ms | 127ms | 14ms | 1st |
| https://connect.facebook.net/signals/config/976210582083002?v=2.9.439&r=stable&domain=socialwebtv.it&optin_meta_enabled_capi=true&im=1&hme=1f127d11ce7bba675ee077e129c6ec7e07038113ad3e920301e60f2f865dc776&ex_m=119%2C243%2C172%2C27%2C82%2C83%2C163%2C78%2C77%2C11%2C182%2C102%2C20%2C154%2C142%2C46%2C85%2C90%2C184%2C111%2C150%2C177%2C8%2C4%2C5%2C7%2C6%2C3%2C103%2C116%2C162%2C72%2C186%2C110%2C185%2C212%2C264%2C37%2C84%2C284%2C283%2C282%2C14%2C25%2C28%2C40%2C62%2C118%2C68%2C10%2C73%2C112%2C113%2C114%2C120%2C145%2C38%2C36%2C147%2C148%2C149%2C144%2C143%2C173%2C86%2C176%2C174%2C175%2C57%2C69%2C67%2C138%2C19%2C180%2C52%2C334%2C335%2C336%2C333%2C32%2C17%2C31%2C18%2C33%2C34%2C35%2C55%2C164%2C87%2C127%2C22%2C24%2C51%2C47%2C49%2C48%2C95%2C104%2C108%2C125%2C161%2C165%2C53%2C126%2C29%2C26%2C134%2C79%2C43%2C167%2C166%2C168%2C158%2C156%2C30%2C42%2C66%2C124%2C179%2C80%2C21%2C129%2C93%2C76%2C23%2C97%2C98%2C131%2C96%2C152%2C151%2C155%2C109%2C178%2C181%2C41%2C350%2C372%2C257%2C239%2C70%2C240%2C238%2C375%2C366%2C59%2C258%2C122%2C146%2C92%2C136%2C61%2C54%2C56%2C128%2C135%2C141%2C140%2C65%2C74%2C169%2C88%2C89%2C130%2C44%2C39%2C60%2C63%2C115%2C183%2C1%2C139%2C16%2C137%2C12%2C2%2C64%2C105%2C15%2C75%2C71%2C133%2C101%2C100%2C188%2C189%2C106%2C107%2C9%2C117%2C187%2C58%2C159%2C99%2C91%2C81%2C132%2C121%2C170%2C50%2C160%2C0%2C94%2C153%2C157%2C171%2C45%2C123%2C13%2C190 | 130ms | 90ms | 39ms | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-MTP6G1QZM0&cx=c>m=4e6b90 | 81ms | 33ms | 48ms | 3rd |
DJS BundlesAction18 scripts, 399 KB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://www.googletagmanager.com/gtag/js?id=G-MTP6G1QZM0&cx=c>m=4e6b90 | 194 KB | 130 KB (67%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-MTP6G1QZM0 | 194 KB | 78 KB (40%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtm.js?id=GTM-PL4L9T6K | 130 KB | 62 KB (48%) | ✓ | 3rd |
| https://connect.facebook.net/en_US/fbevents.js | 112 KB | 51 KB (45%) | ✓ | 3rd |
| https://connect.facebook.net/signals/config/976210582083002?v=2.9.439&r=stable&domain=socialwebtv.it&optin_meta_enabled_capi=true&im=1&hme=1f127d11ce7bba675ee077e129c6ec7e07038113ad3e920301e60f2f865dc776&ex_m=119%2C243%2C172%2C27%2C82%2C83%2C163%2C78%2C77%2C11%2C182%2C102%2C20%2C154%2C142%2C46%2C85%2C90%2C184%2C111%2C150%2C177%2C8%2C4%2C5%2C7%2C6%2C3%2C103%2C116%2C162%2C72%2C186%2C110%2C185%2C212%2C264%2C37%2C84%2C284%2C283%2C282%2C14%2C25%2C28%2C40%2C62%2C118%2C68%2C10%2C73%2C112%2C113%2C114%2C120%2C145%2C38%2C36%2C147%2C148%2C149%2C144%2C143%2C173%2C86%2C176%2C174%2C175%2C57%2C69%2C67%2C138%2C19%2C180%2C52%2C334%2C335%2C336%2C333%2C32%2C17%2C31%2C18%2C33%2C34%2C35%2C55%2C164%2C87%2C127%2C22%2C24%2C51%2C47%2C49%2C48%2C95%2C104%2C108%2C125%2C161%2C165%2C53%2C126%2C29%2C26%2C134%2C79%2C43%2C167%2C166%2C168%2C158%2C156%2C30%2C42%2C66%2C124%2C179%2C80%2C21%2C129%2C93%2C76%2C23%2C97%2C98%2C131%2C96%2C152%2C151%2C155%2C109%2C178%2C181%2C41%2C350%2C372%2C257%2C239%2C70%2C240%2C238%2C375%2C366%2C59%2C258%2C122%2C146%2C92%2C136%2C61%2C54%2C56%2C128%2C135%2C141%2C140%2C65%2C74%2C169%2C88%2C89%2C130%2C44%2C39%2C60%2C63%2C115%2C183%2C1%2C139%2C16%2C137%2C12%2C2%2C64%2C105%2C15%2C75%2C71%2C133%2C101%2C100%2C188%2C189%2C106%2C107%2C9%2C117%2C187%2C58%2C159%2C99%2C91%2C81%2C132%2C121%2C170%2C50%2C160%2C0%2C94%2C153%2C157%2C171%2C45%2C123%2C13%2C190 | 93 KB | 41 KB (44%) | ✓ | 3rd |
| https://socialwebtv.it/_next/static/chunks/849-69ac87bc4e462be4.js | 52 KB | 37 KB (72%) | ✓ | 1st |
| https://socialwebtv.it/_next/static/chunks/app/layout-8a54c1c0fe84a1fa.js | 4 KB | — | ✓ | 1st |
| https://socialwebtv.it/_next/static/chunks/44530001-d85e2a39e6dbc43a.js | 14 KB | — | ✓ | 1st |
| https://socialwebtv.it/_next/static/chunks/138-ba08f4f532969ca6.js | 7 KB | — | ✓ | 1st |
| https://socialwebtv.it/_next/static/chunks/986-579dbefdffaffd3f.js | 5 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
DPage Weight InventoryAction83 resources · 3.8 MB · 399 KB savings availableFIX
~399.4 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 83 resources | 3.8 MiB | ||||||
DHTTP CachingActionno-store (uncacheable)FIX
private, no-cache, no-store, max-age=0, must-revalidate
| Directive | Value | Meaning |
|---|---|---|
| private | — | Only browser cache, not CDN/proxy |
| no-cache | — | Cache but always revalidate first |
| no-store | — | Never cache this response |
| max-age | 0 | Cache for 0 seconds |
| must-revalidate | — | Must recheck with server after expiry |
BImage Optimization33 images, 0 KB saveableREVIEW
BHTTP/3 (QUIC)HTTP/3 not advertisedREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
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 LoadingNo web fonts (system fonts)PASS
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource Hints10 hints, 0 missing preconnectsPASS
Current Resource Hints
10 resource hints configured
A+Document CompressionDocument 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
AJavaScript Blocking1 JS blocking issue(s) detectedPASS
A+CSS Performance DepthNo CSS performance depth issues detectedPASS
Asset CompressionNo text asset hosts to measureINFO
Network Waterfall83 requests over 3994msINFO
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 | 370ms | 194 KB | 40% | €6/mo | Costly |
Google Tag Manager www.googletagmanager.com | Tag Manager | 243ms | 130 KB | 48% | €4/mo | Costly |
Facebook Pixel connect.facebook.net | Advertising | 156ms | 112 KB | 45% | €2/mo | Optional |
Facebook Pixel connect.facebook.net | Advertising | 130ms | 93 KB | 44% | €2/mo | Optional |
Google Tag Manager www.googletagmanager.com | Tag Manager | 81ms | 194 KB | 67% | €1/mo | Optional |
These scripts may cost more than they're worth
- Google Tag Manager adds 370ms and costs ~€6/month
- Google Tag Manager adds 243ms and costs ~€4/month
Google Tag Manager takes 370ms 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 243ms 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
67% 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
Image Optimization91 images, 15 KB total, 0 KB wastedINFO
Image Optimization Audit
Total Images
91
Total Size
15 KB
Oversized
10