Performance
· 28 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.
1.67 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
11.74 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
2.67 s
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.004
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
5.53 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.
15.07 s
Page Load Progression
DPage Weight BudgetAction2.1 MB transferred, 46 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
DThird-Party ImpactAction70% third-party, 0 ms blockingFIX
FJS Execution CostAction8216ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://pagellapolitica.it/ | 2701ms | 68ms | 171ms | 1st |
| https://pagellapolitica.it/_nuxt/1efa55c.js | 1321ms | 1088ms | 71ms | 1st |
| https://consent.cookiebot.com/uc.js?cbid=84fe9d75-2854-403f-973c-44b64ce40812&implementation=gtm&consentmode-dataredaction=dynamic | 884ms | 479ms | 12ms | 3rd |
| Unattributable | 877ms | 19ms | 0ms | 1st |
| https://connect.facebook.net/en_US/fbevents.js | 634ms | 515ms | 65ms | 3rd |
| https://connect.facebook.net/signals/config/1837655130483720?v=2.9.408&r=stable&domain=pagellapolitica.it&im=1&hme=f9ad993bedcdbb3fffd47532e189463ba18afe816a0bd364070ce559e4a6ac26&ex_m=117%2C239%2C169%2C27%2C81%2C82%2C160%2C77%2C76%2C11%2C179%2C101%2C20%2C152%2C140%2C46%2C84%2C89%2C148%2C174%2C181%2C8%2C4%2C5%2C7%2C6%2C3%2C102%2C114%2C32%2C17%2C31%2C18%2C33%2C34%2C35%2C37%2C55%2C161%2C86%2C125%2C22%2C24%2C51%2C47%2C49%2C48%2C94%2C103%2C107%2C123%2C159%2C162%2C53%2C124%2C29%2C26%2C132%2C78%2C43%2C164%2C163%2C165%2C156%2C154%2C30%2C42%2C66%2C122%2C176%2C79%2C21%2C127%2C92%2C75%2C23%2C96%2C97%2C129%2C95%2C150%2C149%2C153%2C108%2C175%2C178%2C41%2C56%2C126%2C54%2C183%2C109%2C182%2C208%2C253%2C83%2C267%2C266%2C265%2C14%2C25%2C28%2C40%2C62%2C116%2C68%2C10%2C72%2C110%2C111%2C112%2C118%2C143%2C38%2C36%2C145%2C146%2C147%2C142%2C141%2C170%2C85%2C173%2C171%2C172%2C57%2C67%2C136%2C19%2C177%2C52%2C316%2C317%2C318%2C315%2C331%2C356%2C246%2C235%2C69%2C236%2C234%2C359%2C350%2C59%2C247%2C120%2C144%2C91%2C134%2C61%2C133%2C139%2C138%2C65%2C73%2C71%2C166%2C87%2C88%2C128%2C44%2C39%2C60%2C63%2C113%2C180%2C1%2C137%2C16%2C135%2C12%2C2%2C64%2C104%2C15%2C74%2C70%2C131%2C100%2C99%2C185%2C186%2C105%2C106%2C9%2C115%2C184%2C58%2C157%2C98%2C90%2C80%2C130%2C119%2C167%2C50%2C158%2C0%2C93%2C151%2C155%2C168%2C45%2C121%2C13%2C187 | 474ms | 408ms | 58ms | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-LFPX08J2XD&cx=c>m=4e69n1 | 409ms | 346ms | 60ms | 3rd |
| https://www.googletagmanager.com/gtm.js?id=GTM-TM5ZSSF | 316ms | 225ms | 42ms | 3rd |
| https://pagellapolitica.it/_nuxt/7b6fd92.js | 109ms | 54ms | 1ms | 1st |
| https://pagellapolitica.it/_nuxt/8bc7ebc.js | 98ms | 48ms | 1ms | 1st |
Showing top 10 of 16 scripts
DJS BundlesAction26 scripts, 439 KB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://pagellapolitica.it/_nuxt/9a57606.js | 161 KB | 112 KB (71%) | ✓ | 1st |
| https://www.googletagmanager.com/gtag/js?id=G-LFPX08J2XD&cx=c>m=4e69n1 | 180 KB | 77 KB (43%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtm.js?id=GTM-TM5ZSSF | 126 KB | 62 KB (49%) | ✓ | 3rd |
| https://connect.facebook.net/en_US/fbevents.js | 109 KB | 38 KB (35%) | ✓ | 3rd |
| https://connect.facebook.net/signals/config/1837655130483720?v=2.9.408&r=stable&domain=pagellapolitica.it&im=1&hme=f9ad993bedcdbb3fffd47532e189463ba18afe816a0bd364070ce559e4a6ac26&ex_m=117%2C239%2C169%2C27%2C81%2C82%2C160%2C77%2C76%2C11%2C179%2C101%2C20%2C152%2C140%2C46%2C84%2C89%2C148%2C174%2C181%2C8%2C4%2C5%2C7%2C6%2C3%2C102%2C114%2C32%2C17%2C31%2C18%2C33%2C34%2C35%2C37%2C55%2C161%2C86%2C125%2C22%2C24%2C51%2C47%2C49%2C48%2C94%2C103%2C107%2C123%2C159%2C162%2C53%2C124%2C29%2C26%2C132%2C78%2C43%2C164%2C163%2C165%2C156%2C154%2C30%2C42%2C66%2C122%2C176%2C79%2C21%2C127%2C92%2C75%2C23%2C96%2C97%2C129%2C95%2C150%2C149%2C153%2C108%2C175%2C178%2C41%2C56%2C126%2C54%2C183%2C109%2C182%2C208%2C253%2C83%2C267%2C266%2C265%2C14%2C25%2C28%2C40%2C62%2C116%2C68%2C10%2C72%2C110%2C111%2C112%2C118%2C143%2C38%2C36%2C145%2C146%2C147%2C142%2C141%2C170%2C85%2C173%2C171%2C172%2C57%2C67%2C136%2C19%2C177%2C52%2C316%2C317%2C318%2C315%2C331%2C356%2C246%2C235%2C69%2C236%2C234%2C359%2C350%2C59%2C247%2C120%2C144%2C91%2C134%2C61%2C133%2C139%2C138%2C65%2C73%2C71%2C166%2C87%2C88%2C128%2C44%2C39%2C60%2C63%2C113%2C180%2C1%2C137%2C16%2C135%2C12%2C2%2C64%2C104%2C15%2C74%2C70%2C131%2C100%2C99%2C185%2C186%2C105%2C106%2C9%2C115%2C184%2C58%2C157%2C98%2C90%2C80%2C130%2C119%2C167%2C50%2C158%2C0%2C93%2C151%2C155%2C168%2C45%2C121%2C13%2C187 | 136 KB | 37 KB (27%) | ✓ | 3rd |
| https://steadycdn.com/prod/js/2.14.1.js | 78 KB | 33 KB (42%) | ✓ | 3rd |
| https://pagellapolitica.it/_nuxt/7926c42.js | 84 KB | 31 KB (37%) | ✓ | 1st |
| https://consent.cookiebot.com/84fe9d75-2854-403f-973c-44b64ce40812/cc.js?renew=false&referer=pagellapolitica.it&dnt=false&init=false | 110 KB | 26 KB (23%) | ✓ | 3rd |
| https://consent.cookiebot.com/uc.js?cbid=84fe9d75-2854-403f-973c-44b64ce40812&implementation=gtm&consentmode-dataredaction=dynamic | 37 KB | 24 KB (64%) | ✓ | 3rd |
| https://pagellapolitica.it/_nuxt/50a9e11.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
FPage Weight InventoryAction46 resources · 2.1 MB · 439 KB savings availableFIX
~439.1 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 46 resources | 2.1 MiB | ||||||
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
BImage Optimization6 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
BMain HTML Cache-ControlNo Cache-Control header on main HTML responseREVIEW
BJavaScript Blocking2 JS blocking issue(s) detectedREVIEW
A+Text CompressionAll text resources are compressedPASS
A+Font Loading4 fonts (114 KB)PASS
Web fonts
4
114 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 Hints13 hints, 0 missing preconnectsPASS
Current Resource Hints
13 resource hints configured
A+HTTP/3 (QUIC)HTTP/3 advertised via Alt-SvcPASS
A+Document CompressionDocument response uses brotliPASS
A+LCP Image PreloadLCP preload audit not availablePASS
A+Server-Timing Observability3 Server-Timing entries advertisedPASS
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
A+CSS Performance DepthNo CSS performance depth issues detectedPASS
A+Green HostingWhether the site is served from green-energy infrastructurePASS
Green Hosting
This site is hosted on green energy infrastructure
Provider: Cloudflare
Asset CompressionNo text asset hosts to measureINFO
Network Waterfall46 requests over 4400msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
consent.cookiebot.com consent.cookiebot.com | Other | 884ms | 37 KB | 64% | €10/mo | Costly |
Facebook Pixel connect.facebook.net | Advertising | 634ms | 109 KB | 35% | €7/mo | Costly |
Facebook Pixel connect.facebook.net | Advertising | 474ms | 136 KB | 27% | €5/mo | Costly |
Google Tag Manager www.googletagmanager.com | Tag Manager | 409ms | 180 KB | 43% | €4/mo | Costly |
Google Tag Manager www.googletagmanager.com | Tag Manager | 316ms | 126 KB | 49% | €3/mo | Costly |
consent.cookiebot.com consent.cookiebot.com | Other | 76ms | 110 KB | 23% | €1/mo | Optional |
static.cloudflareinsights.com static.cloudflareinsights.com | Other | 61ms | 10 KB | — | €1/mo | Optional |
steadycdn.com steadycdn.com | Other | 60ms | 78 KB | 42% | €1/mo | Optional |
These scripts may cost more than they're worth
- consent.cookiebot.com adds 884ms and costs ~€10/month
- Facebook Pixel adds 634ms and costs ~€7/month
- Facebook Pixel adds 474ms and costs ~€5/month
- Google Tag Manager adds 409ms and costs ~€4/month
- Google Tag Manager adds 316ms and costs ~€3/month
consent.cookiebot.com takes 884ms 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
64% of consent.cookiebot.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
Facebook Pixel takes 634ms 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 474ms 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 409ms 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 316ms 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
Real-User Performance (CrUX)Field metrics from the Chrome User Experience ReportINFO
Chrome User Experience (CrUX)
Real-user metrics from the Chrome UX Report (2026-08-28 — 2026-09-24)
LCP (p75)
2480 ms
76% good
INP (p75)
96 ms
96% good
CLS (p75)
0.020
89% good
FCP (p75)
1600 ms
TTFB (p75)
1125 ms
Image Optimization63 images, 67 KB total, 67 KB wastedINFO
Image Optimization Audit
Total Images
63
Total Size
67 KB
Oversized
3
Wasted
67 KB