Performance
· 17 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.
7.27 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
17.22 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
5.22 s
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.044
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
8.25 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.
179.34 s
Page Load Progression
FPage Weight BudgetAction32.9 MB transferred, 59 requestsFIX
Subset fonts to include only used characters, or switch to system font stacks.
Font payload is large — subset to used glyphs only, or fall back to system fonts (zero load time).
Source: web.dev font loading
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 ImpactAction100% third-party, 0 ms blockingFIX
FJS Execution CostAction15409ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://www.nvidia.com/zh-tw/ | 4463ms | 188ms | 20ms | 3rd |
| https://www.nvidia.com/etc.clientlibs/nvidiaweb/clientlibs/clientlib-site.min.b9d461d8851186ddbdf10f16138d72d0.js | 3056ms | 1477ms | 38ms | 3rd |
| https://www.nvidia.com/etc.clientlibs/nvidiaweb/clientlibs/clientlib-webfoundation.min.efc0fdf7ab6cfd024ef52932bbdebd3a.js | 2926ms | 1899ms | 65ms | 3rd |
| Unattributable | 2206ms | 108ms | 0ms | 3rd |
| https://cdn.cookielaw.org/scripttemplates/202601.1.0/otBannerSdk.js | 884ms | 548ms | 69ms | 3rd |
| https://assets.adobedtm.com/5d4962a43b79/96fada676f0e/launch-95431b44ee81.min.js | 723ms | 423ms | 262ms | 3rd |
| https://use.typekit.net/vvg2vkh.js | 614ms | 543ms | 34ms | 3rd |
| https://www.nvidia.com/etc.clientlibs/clientlibs/granite/jquery.min.cee8557e8779d371fe722bbcdd3b3eb7.js | 305ms | 221ms | 25ms | 3rd |
| https://www.nvidia.com/akam/13/3f492ba | 172ms | 157ms | 6ms | 3rd |
| https://www.nvidia.com/assets/account-wrapper/starfleet.js | 61ms | 54ms | 5ms | 3rd |
DPage Weight InventoryAction59 resources · 32.9 MB · 257 KB savings availableFIX
~256.9 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 59 resources | 32.9 MiB | ||||||
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
CImage OptimizationAction10 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
CJS BundlesAction22 scripts, 257 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://www.nvidia.com/etc.clientlibs/nvidiaweb/clientlibs/clientlib-webfoundation.min.efc0fdf7ab6cfd024ef52932bbdebd3a.js | 137 KB | 108 KB (80%) | ✓ | 3rd |
| https://cdn.cookielaw.org/scripttemplates/202601.1.0/otBannerSdk.js | 127 KB | 67 KB (53%) | ✓ | 3rd |
| https://www.nvidia.com/etc.clientlibs/nvidiaweb/clientlibs/clientlib-site.min.b9d461d8851186ddbdf10f16138d72d0.js | 60 KB | 44 KB (74%) | ✓ | 3rd |
| https://assets.adobedtm.com/5d4962a43b79/96fada676f0e/launch-95431b44ee81.min.js | 291 KB | 38 KB (13%) | ✓ | 3rd |
| https://www.nvidia.com/etc.clientlibs/nvidiaweb/clientlibs/clientlib-base.min.c615b422b69815dda8c5379a2b245500.js | 22 KB | — | ✓ | 3rd |
| https://assets.adobedtm.com/5d4962a43b79/96fada676f0e/356cbd0a0beb/EXea8a172518894e9e9d3a538770eec1ef-libraryCode_source.min.js | 19 KB | — | ✓ | 3rd |
| https://cdn.cookielaw.org/scripttemplates/otSDKStub.js | 9 KB | — | ✓ | 3rd |
| https://www.nvidia.com/etc.clientlibs/nvidiaweb/clientlibs/clientlib-preload.min.f58cebbafd958925023ac7b2e58f758a.js | 3 KB | — | ✓ | 3rd |
| https://www.nvidia.com/assets/account-wrapper/starfleet.js | 14 KB | — | ✓ | 3rd |
| https://www.nvidia.com/etc.clientlibs/foundation/clientlibs/shared.min.e9d9a3990d7779c2e8e3361187f3d36b.js | 8 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
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 Loading9 fonts (31375 KB)PASS
Web fonts
9
31375 KB total
Render-blocking
0
of 9
Dominant font-display
swap
Most common across fonts
Font loading timeline
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
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)
Fixing the unchecked items could save ~20898 KB and ~41796 ms
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource Hints2 hints, 0 missing preconnectsPASS
Current Resource Hints
2 resource hints configured
A+Render-Blocking ResourcesNo render-blocking resources detectedPASS
A+Third-Party ResourcesNo third-party resources detectedPASS
Network Waterfall59 requests over 5540msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
www.nvidia.com www.nvidia.com | Other | 4463ms | 92 KB | — | NT$1101/mo | Costly |
www.nvidia.com www.nvidia.com | Other | 3056ms | 60 KB | 74% | NT$754/mo | Costly |
www.nvidia.com www.nvidia.com | Other | 2926ms | 137 KB | 80% | NT$722/mo | Costly |
Unattributable Unattributable | Other | 2206ms | 0 KB | — | NT$544/mo | Costly |
OneTrust cdn.cookielaw.org | Consent | 884ms | 127 KB | 53% | NT$218/mo | Essential |
assets.adobedtm.com assets.adobedtm.com | Other | 723ms | 291 KB | 13% | NT$179/mo | Costly |
Adobe Fonts use.typekit.net | Font | 614ms | 180 KB | — | NT$151/mo | Costly |
www.nvidia.com www.nvidia.com | Other | 305ms | 36 KB | — | NT$75/mo | Costly |
www.nvidia.com www.nvidia.com | Other | 172ms | 10 KB | — | NT$42/mo | Optional |
www.nvidia.com www.nvidia.com | Other | 61ms | 14 KB | — | NT$15/mo | Optional |
These scripts may cost more than they're worth
- www.nvidia.com adds 4463ms and costs ~NT$1101/month
- www.nvidia.com adds 3056ms and costs ~NT$754/month
- www.nvidia.com adds 2926ms and costs ~NT$722/month
- Unattributable adds 2206ms and costs ~NT$544/month
- assets.adobedtm.com adds 723ms and costs ~NT$179/month
- Adobe Fonts adds 614ms and costs ~NT$151/month
- www.nvidia.com adds 305ms and costs ~NT$75/month
100% of JavaScript execution time is spent on third-party scripts. Consider auditing which scripts are essential.
When third-party JS execution time exceeds your own, performance gains from frontend work are capped by code you don't own.
Learn more ▾ ▴
Every millisecond of third-party JS competes with your own for main-thread time. If their share is bigger than yours, optimization on your code base barely moves the needle. Audit, defer, or remove third-parties before further frontend optimization. Use Lighthouse's third-party audit to identify the worst offenders.
Source: web.dev
www.nvidia.com takes 4463ms 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
www.nvidia.com takes 3056ms 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
74% of www.nvidia.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
www.nvidia.com takes 2926ms 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
80% of www.nvidia.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
Unattributable takes 2206ms 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 OneTrust'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
assets.adobedtm.com takes 723ms 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
Adobe Fonts takes 614ms 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
www.nvidia.com takes 305ms 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