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.
3.56 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
7.53 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
618 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.030
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
5.70 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.
9.10 s
Page Load Progression
DJS Execution CostAction3046ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://fudinoo.hu/ | 873ms | 201ms | 12ms | 1st |
| Unattributable | 609ms | 72ms | 0ms | 1st |
| https://fudinoo.hu/js/app.js?id=c4fff5314f9407f7b5fcaf0cf0792ab3 | 460ms | 279ms | 69ms | 1st |
| https://connect.facebook.net/signals/config/3527143164106663?v=2.9.363&r=stable&domain=fudinoo.hu&hme=de91ab0f62915af60750e9ff269a9938d70054f827732c0fc5f10a02500a436d&ex_m=108%2C210%2C160%2C22%2C73%2C74%2C151%2C69%2C68%2C11%2C169%2C93%2C16%2C143%2C131%2C39%2C76%2C81%2C139%2C165%2C171%2C26%2C27%2C28%2C30%2C48%2C152%2C78%2C116%2C18%2C20%2C44%2C40%2C42%2C41%2C86%2C95%2C99%2C114%2C150%2C153%2C46%2C115%2C24%2C21%2C123%2C70%2C36%2C155%2C154%2C156%2C147%2C145%2C25%2C35%2C59%2C113%2C167%2C71%2C17%2C158%2C118%2C84%2C67%2C19%2C88%2C89%2C120%2C87%2C141%2C140%2C144%2C100%2C166%2C34%2C49%2C117%2C47%2C8%2C4%2C5%2C7%2C6%2C3%2C94%2C105%2C172%2C177%2C224%2C75%2C237%2C236%2C235%2C23%2C33%2C55%2C107%2C61%2C10%2C64%2C101%2C102%2C103%2C109%2C134%2C31%2C29%2C136%2C137%2C138%2C133%2C132%2C161%2C77%2C164%2C162%2C163%2C50%2C60%2C127%2C15%2C168%2C45%2C282%2C283%2C281%2C296%2C312%2C217%2C206%2C62%2C207%2C205%2C315%2C306%2C52%2C218%2C111%2C135%2C83%2C125%2C54%2C124%2C130%2C129%2C58%2C65%2C63%2C157%2C79%2C80%2C119%2C37%2C32%2C53%2C56%2C104%2C170%2C1%2C128%2C14%2C126%2C12%2C2%2C57%2C96%2C66%2C122%2C92%2C91%2C173%2C174%2C97%2C98%2C9%2C106%2C51%2C148%2C90%2C82%2C72%2C121%2C110%2C43%2C149%2C0%2C85%2C142%2C146%2C159%2C38%2C112%2C13%2C175 | 458ms | 392ms | 66ms | 3rd |
| https://connect.facebook.net/en_US/fbevents.js | 281ms | 232ms | 38ms | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-ZT89HMBJNB | 234ms | 150ms | 51ms | 3rd |
| https://cdn.cookie-script.com/s/63c13a70b2dfc94ec518c27f2101a0b0.js | 132ms | 77ms | 18ms | 3rd |
BPage Weight Budget1.1 MB transferred, 38 requestsREVIEW
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
BThird-Party Impact42% third-party, 0 ms blockingREVIEW
BImage Optimization25 images, 0 KB saveableREVIEW
Set explicit width and height to prevent CLS.
Performance issues directly impact user engagement and conversion rates.
CJS BundlesAction5 scripts, 288 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://fudinoo.hu/js/app.js?id=c4fff5314f9407f7b5fcaf0cf0792ab3 | 192 KB | 140 KB (73%) | ✓ | 1st |
| https://www.googletagmanager.com/gtag/js?id=G-ZT89HMBJNB | 163 KB | 66 KB (40%) | ✓ | 3rd |
| https://connect.facebook.net/signals/config/3527143164106663?v=2.9.363&r=stable&domain=fudinoo.hu&hme=de91ab0f62915af60750e9ff269a9938d70054f827732c0fc5f10a02500a436d&ex_m=108%2C210%2C160%2C22%2C73%2C74%2C151%2C69%2C68%2C11%2C169%2C93%2C16%2C143%2C131%2C39%2C76%2C81%2C139%2C165%2C171%2C26%2C27%2C28%2C30%2C48%2C152%2C78%2C116%2C18%2C20%2C44%2C40%2C42%2C41%2C86%2C95%2C99%2C114%2C150%2C153%2C46%2C115%2C24%2C21%2C123%2C70%2C36%2C155%2C154%2C156%2C147%2C145%2C25%2C35%2C59%2C113%2C167%2C71%2C17%2C158%2C118%2C84%2C67%2C19%2C88%2C89%2C120%2C87%2C141%2C140%2C144%2C100%2C166%2C34%2C49%2C117%2C47%2C8%2C4%2C5%2C7%2C6%2C3%2C94%2C105%2C172%2C177%2C224%2C75%2C237%2C236%2C235%2C23%2C33%2C55%2C107%2C61%2C10%2C64%2C101%2C102%2C103%2C109%2C134%2C31%2C29%2C136%2C137%2C138%2C133%2C132%2C161%2C77%2C164%2C162%2C163%2C50%2C60%2C127%2C15%2C168%2C45%2C282%2C283%2C281%2C296%2C312%2C217%2C206%2C62%2C207%2C205%2C315%2C306%2C52%2C218%2C111%2C135%2C83%2C125%2C54%2C124%2C130%2C129%2C58%2C65%2C63%2C157%2C79%2C80%2C119%2C37%2C32%2C53%2C56%2C104%2C170%2C1%2C128%2C14%2C126%2C12%2C2%2C57%2C96%2C66%2C122%2C92%2C91%2C173%2C174%2C97%2C98%2C9%2C106%2C51%2C148%2C90%2C82%2C72%2C121%2C110%2C43%2C149%2C0%2C85%2C142%2C146%2C159%2C38%2C112%2C13%2C175 | 148 KB | 46 KB (31%) | ✓ | 3rd |
| https://connect.facebook.net/en_US/fbevents.js | 104 KB | 37 KB (35%) | ✓ | 3rd |
| https://cdn.cookie-script.com/s/63c13a70b2dfc94ec518c27f2101a0b0.js | 32 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
BHTTP/3 (QUIC)HTTP/3 not advertisedREVIEW
BCompression AlgorithmMain response uses gzip; brotli would be ~20% smallerREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
BPage Weight Inventory38 resources · 1.1 MB · 288 KB savings availableREVIEW
~287.8 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 38 resources | 1.1 MiB | ||||||
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
BHTTP Cachingno-cache, privateREVIEW
no-cache, private
| Directive | Value | Meaning |
|---|---|---|
| no-cache | — | Cache but always revalidate first |
| private | — | Only browser cache, not CDN/proxy |
A+Text CompressionAll text resources are compressedPASS
A+Font Loading3 fonts (46 KB)PASS
Web fonts
3
46 KB total
Render-blocking
0
of 3
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+LCP Image PreloadLCP preload audit not availablePASS
A+Main HTML Cache-ControlMain HTML uses no-cache -- safe revalidate-on-request policyPASS
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
Network Waterfall38 requests over 3032msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Facebook Pixel connect.facebook.net | Advertising | 458ms | 148 KB | 31% | Ft1583/mo | Costly |
Facebook Pixel connect.facebook.net | Advertising | 281ms | 104 KB | 35% | Ft970/mo | Costly |
Google Tag Manager www.googletagmanager.com | Tag Manager | 234ms | 163 KB | 40% | Ft809/mo | Costly |
Cookie Script cdn.cookie-script.com | Consent | 132ms | 32 KB | — | Ft455/mo | Essential |
These scripts may cost more than they're worth
- Facebook Pixel adds 458ms and costs ~Ft1583/month
- Facebook Pixel adds 281ms and costs ~Ft970/month
- Google Tag Manager adds 234ms and costs ~Ft809/month
Facebook Pixel takes 458ms 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 281ms 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 234ms 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 (2026-06-28 — 2026-07-25)
LCP (p75)
1516 ms
94% good
INP (p75)
105 ms
92% good
CLS (p75)
0.010
99% good
FCP (p75)
1326 ms
TTFB (p75)
965 ms
Image Optimization31 images, 376 KB total, 76 KB wastedINFO
Image Optimization Audit
Total Images
31
Total Size
376 KB
Oversized
7
Wasted
76 KB