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.
1.35 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
24.72 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
672 ms
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.
7.80 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.
26.99 s
Page Load Progression
FPage Weight BudgetAction7.9 MB transferred, 94 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
FJS Execution CostAction5345ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://www.supportkori.com/_next/static/chunks/ae915874d34e9414.js?dpl=dpl_4Kqo982yfNyMkqBU863zPiCTAGoQ | 1628ms | 288ms | 7ms | 1st |
| https://www.supportkori.com/_next/static/chunks/919c0c1244a6a050.js?dpl=dpl_4Kqo982yfNyMkqBU863zPiCTAGoQ | 1084ms | 963ms | 20ms | 1st |
| https://www.supportkori.com/ | 957ms | 42ms | 8ms | 1st |
| Unattributable | 659ms | 30ms | 0ms | 1st |
| https://www.supportkori.com/cdn-cgi/challenge-platform/scripts/jsd/main.js | 331ms | 320ms | 1ms | 1st |
| https://connect.facebook.net/en_US/fbevents.js | 195ms | 150ms | 30ms | 3rd |
| https://connect.facebook.net/signals/config/1553930719475443?v=2.9.383&r=canary&domain=www.supportkori.com&im=1&hme=0bf241557322ccbde3f88f73199a2e0cb29b567dd5a781d75c4457dac12f5177&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%2C70%2C297%2C296%2C305%2C327%2C225%2C214%2C66%2C215%2C213%2C330%2C321%2C56%2C226%2C116%2C140%2C88%2C130%2C58%2C129%2C135%2C134%2C62%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 | 157ms | 139ms | 18ms | 3rd |
| https://www.supportkori.com/_next/static/chunks/faf4a0202735b81c.js?dpl=dpl_4Kqo982yfNyMkqBU863zPiCTAGoQ | 102ms | 102ms | 0ms | 1st |
| https://www.supportkori.com/_next/static/chunks/0444575c870ed749.js?dpl=dpl_4Kqo982yfNyMkqBU863zPiCTAGoQ | 89ms | 53ms | 8ms | 1st |
| https://apis.google.com/_/scs/abc-static/_/js/k=gapi.lb.en.zhTT8Br0Ho8.O/m=gapi_iframes/rt=j/sv=1/d=1/ed=1/rs=AHpOoo-7LeULGjNQZRvhdu3G71akb6JY6A/cb=gapi.loaded_0?le=scs | 77ms | 65ms | 7ms | 3rd |
Showing top 10 of 11 scripts
CImage OptimizationAction40 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
CJS BundlesAction26 scripts, 152 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://www.supportkori.com/_next/static/chunks/abed7821fb19c0f2.js?dpl=dpl_4Kqo982yfNyMkqBU863zPiCTAGoQ | 109 KB | 90 KB (83%) | ✓ | 1st |
| https://connect.facebook.net/en_US/fbevents.js | 110 KB | 38 KB (35%) | ✓ | 3rd |
| https://www.supportkori.com/_next/static/chunks/919c0c1244a6a050.js?dpl=dpl_4Kqo982yfNyMkqBU863zPiCTAGoQ | 70 KB | 24 KB (34%) | ✓ | 1st |
| https://www.supportkori.com/_next/static/chunks/0bf60c0dfd8797ff.js?dpl=dpl_4Kqo982yfNyMkqBU863zPiCTAGoQ | 4 KB | — | ✓ | 1st |
| https://www.supportkori.com/_next/static/chunks/ae915874d34e9414.js?dpl=dpl_4Kqo982yfNyMkqBU863zPiCTAGoQ | 38 KB | — | ✓ | 1st |
| https://www.supportkori.com/_next/static/chunks/5a5025548a46274f.js?dpl=dpl_4Kqo982yfNyMkqBU863zPiCTAGoQ | 8 KB | — | ✓ | 1st |
| https://www.supportkori.com/_next/static/chunks/turbopack-0122d89e026a31dd.js?dpl=dpl_4Kqo982yfNyMkqBU863zPiCTAGoQ | 5 KB | — | ✓ | 1st |
| https://www.supportkori.com/_next/static/chunks/dcf968a0b8a29567.js?dpl=dpl_4Kqo982yfNyMkqBU863zPiCTAGoQ | 16 KB | — | ✓ | 1st |
| https://www.supportkori.com/_next/static/chunks/0c1c25035f199904.js?dpl=dpl_4Kqo982yfNyMkqBU863zPiCTAGoQ | 9 KB | — | ✓ | 1st |
| https://www.supportkori.com/_next/static/chunks/c87efd6901b46c4e.js?dpl=dpl_4Kqo982yfNyMkqBU863zPiCTAGoQ | 11 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
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
CPage Weight InventoryAction94 resources · 7.9 MB · 152 KB savings availableREVIEW
~151.5 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 94 resources | 7.9 MiB | ||||||
BJavaScript Blocking2 JS blocking issue(s) detectedREVIEW
BHTTP Cachingpublic, max-age=0, must-revalidateREVIEW
public, max-age=0, must-revalidate
| Directive | Value | Meaning |
|---|---|---|
| public | — | Any cache may store this response |
| max-age | 0 | Cache for 0 seconds |
| must-revalidate | — | Must recheck with server after expiry |
A+Third-Party Impact5% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
A+Font Loading3 fonts (117 KB)PASS
Web fonts
3
117 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+HTTP/3 (QUIC)HTTP/3 advertised via Alt-SvcPASS
A+Compression AlgorithmMain response uses brotliPASS
A+LCP Image PreloadLCP preload audit not availablePASS
A+Main HTML Cache-ControlMain HTML max-age=0 (≤ 5min) is appropriatePASS
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
Network Waterfall94 requests over 2900msINFO
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 | 195ms | 110 KB | 35% | $3/mo | Optional |
Facebook Pixel connect.facebook.net | Advertising | 157ms | 58 KB | — | $2/mo | Optional |
apis.google.com apis.google.com | Other | 77ms | 34 KB | — | $1/mo | Optional |
Real-User Performance (CrUX)Field metrics from the Chrome User Experience ReportINFO
Chrome User Experience (CrUX)
Real-user metrics from the Chrome UX Report (2026-07-23 — 2026-08-19)
LCP (p75)
2168 ms
81% good
INP (p75)
209 ms
74% good
CLS (p75)
0.140
66% good
FCP (p75)
2167 ms
TTFB (p75)
543 ms
Image Optimization1 images, 3 KB total, 0 KB wastedINFO
Image Optimization Audit
Total Images
1
Total Size
3 KB