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.
3.85 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
5.88 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
462 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.007
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
3.85 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.
6.89 s
Page Load Progression
DThird-Party ImpactAction100% third-party, 0 ms blockingFIX
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
BImage Optimization25 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
CJS Execution CostAction1614ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://www.googletagmanager.com/gtm.js?id=GTM-KMFC6W2>m_auth=>m_preview=>m_cookies_win=x | 413ms | 320ms | 47ms | 3rd |
| Unattributable | 289ms | 7ms | 0ms | 3rd |
| https://www.excite.com/assets/451b8cb/app.js | 238ms | 182ms | 51ms | 3rd |
| https://www.excite.com/ | 235ms | 7ms | 3ms | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-JWGLYE8PG5&cx=c>m=4e64k0 | 211ms | 176ms | 33ms | 3rd |
| https://www.excite.com/assets/451b8cb/9875.js | 155ms | 143ms | 1ms | 3rd |
| https://www.excite.com/assets/451b8cb/pageview.js | 73ms | 65ms | 7ms | 3rd |
CJS BundlesAction12 scripts, 264 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://www.excite.com/assets/451b8cb/app.js | 153 KB | 75 KB (50%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-JWGLYE8PG5&cx=c>m=4e64k0 | 144 KB | 63 KB (44%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtm.js?id=GTM-KMFC6W2>m_auth=>m_preview=>m_cookies_win=x | 159 KB | 53 KB (33%) | ✓ | 3rd |
| https://www.excite.com/assets/451b8cb/4913.js | 29 KB | 28 KB (96%) | ✓ | 3rd |
| https://code.jquery.com/jquery-3.7.0.min.js | 30 KB | 22 KB (76%) | ✓ | 3rd |
| https://code.jquery.com/jquery-3.7.0.min.js | 0 KB | 22 KB (76%) | ✓ | 3rd |
| https://cdn.cookielaw.org/scripttemplates/otSDKStub.js | 0 KB | — | ✓ | 3rd |
| https://cdn.cookielaw.org/consent/5a9ae5d2-5914-4f6d-a884-1b4559709aac/OtAutoBlock.js | 0 KB | — | ✓ | 3rd |
| https://www.excite.com/assets/451b8cb/pageview.js | 28 KB | — | ✓ | 3rd |
| https://www.excite.com/assets/451b8cb/6674.js | 6 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
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
BPage Weight Inventory46 resources · 781 KB · 264 KB savings availableREVIEW
~264.5 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 46 resources | 781.4 KiB | ||||||
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
APage Weight Budget781 KB transferred, 46 requestsPASS
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
A+Text CompressionAll text resources are compressedPASS
A+Font Loading1 fonts (20 KB)PASS
Web fonts
1
20 KB total
Render-blocking
0
of 1
Dominant font-display
swap
Most common across fonts
Font loading timeline
- Convert to woff2 for ~30% smaller file size
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 ~6 KB and ~12 ms
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+Render-Blocking ResourcesNo render-blocking resources detectedPASS
A+Third-Party ResourcesNo third-party resources detectedPASS
Network Waterfall46 requests over 1363msINFO
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 | 413ms | 159 KB | 33% | $5/mo | Costly |
Unattributable Unattributable | Other | 289ms | 0 KB | — | $4/mo | Costly |
www.excite.com www.excite.com | Other | 238ms | 153 KB | 50% | $3/mo | Costly |
www.excite.com www.excite.com | Other | 235ms | 6 KB | — | $3/mo | Costly |
Google Tag Manager www.googletagmanager.com | Tag Manager | 211ms | 144 KB | 44% | $3/mo | Costly |
www.excite.com www.excite.com | Other | 155ms | 3 KB | — | $2/mo | Optional |
www.excite.com www.excite.com | Other | 73ms | 28 KB | — | $1/mo | Optional |
These scripts may cost more than they're worth
- Google Tag Manager adds 413ms and costs ~$5/month
- Unattributable adds 289ms and costs ~$4/month
- www.excite.com adds 238ms and costs ~$3/month
- www.excite.com adds 235ms and costs ~$3/month
- Google Tag Manager adds 211ms and costs ~$3/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
Google Tag Manager takes 413ms 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
Unattributable takes 289ms 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.excite.com takes 238ms 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
50% of www.excite.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.excite.com takes 235ms 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 211ms 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