Performance
· 25 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.
1.51 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
2.49 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
282 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.001
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
3.48 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.
6.95 s
Page Load Progression
DJS BundlesAction29 scripts, 321 KB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://ahealthplace.com/_next/static/chunks/bd904a5c-8373896e8b4dba99.js | 98 KB | 89 KB (91%) | ✓ | 1st |
| https://ahealthplace.com/_next/static/chunks/8058-09f30a0c2c75940c.js | 140 KB | 85 KB (61%) | ✓ | 1st |
| https://ahealthplace.com/_next/static/chunks/b536a0f1-699a1e48ab8607db.js | 84 KB | 45 KB (53%) | ✓ | 1st |
| https://ahealthplace.com/_next/static/chunks/b79b7286-5dcdad861d0ded19.js | 45 KB | 41 KB (91%) | ✓ | 1st |
| https://ahealthplace.com/_next/static/chunks/5339-a4e76f0a18cf5cbc.js | 40 KB | 35 KB (89%) | ✓ | 1st |
| https://ahealthplace.com/_next/static/chunks/9645-1138524e2e434c10.js | 29 KB | 26 KB (92%) | ✓ | 1st |
| https://ahealthplace.com/_next/static/chunks/3549-f0598b5e0686b8ba.js | 2 KB | — | ✓ | 1st |
| https://ahealthplace.com/_next/static/chunks/6492-0e779c8c7d5bc7fd.js | 11 KB | — | ✓ | 1st |
| https://ahealthplace.com/_next/static/chunks/4142-3f7753f6011ca268.js | 7 KB | — | ✓ | 1st |
| https://ahealthplace.com/_next/static/chunks/app/layout-69c986a014c5d93b.js | 7 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
DHTTP CachingActionno-store (uncacheable)FIX
private, no-cache, no-store, max-age=0, must-revalidate
| Directive | Value | Meaning |
|---|---|---|
| private | — | Only browser cache, not CDN/proxy |
| no-cache | — | Cache but always revalidate first |
| no-store | — | Never cache this response |
| max-age | 0 | Cache for 0 seconds |
| must-revalidate | — | Must recheck with server after expiry |
CPage Weight BudgetAction2.0 MB transferred, 70 requestsREVIEW
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
CJS Execution CostAction1896ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://ahealthplace.com/_next/static/chunks/8058-09f30a0c2c75940c.js | 653ms | 535ms | 33ms | 1st |
| Unattributable | 390ms | 25ms | 0ms | 1st |
| https://ahealthplace.com/quizzes | 318ms | 10ms | 5ms | 1st |
| https://ahealthplace.com/_next/static/chunks/1902-f7225ab14398d178.js | 220ms | 218ms | 2ms | 1st |
| https://ahealthplace.com/_next/static/chunks/app/layout-69c986a014c5d93b.js | 203ms | 43ms | 2ms | 1st |
| https://ahealthplace.com/_next/static/chunks/4bd1b696-427c9ac60bb407ee.js | 111ms | 31ms | 14ms | 1st |
BHTTP/3 (QUIC)HTTP/3 not advertisedREVIEW
BCompression AlgorithmMain response uses gzip; brotli would be ~20% smallerREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
CPage Weight InventoryAction70 resources · 2.0 MB · 321 KB savings availableREVIEW
~320.9 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 70 resources | 2.0 MiB | ||||||
A+Third-Party ImpactNo third-party resourcesPASS
A+Text CompressionAll text resources are compressedPASS
AImage Optimization4 images, 0 KB saveablePASS
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
A+Font Loading9 fonts (132 KB)PASS
Web fonts
9
132 KB total
Render-blocking
0
of 9
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
AResource Hints11 hints, 0 missing preconnectsPASS
Current Resource Hints
11 resource hints configured
Fonts are always fetched as crossorigin=anonymous; a preload without the attribute creates a different cache key, so the browser refetches when the actual font request happens. Sample: /_next/static/media/0484562807a97172-s.p.woff2, /_next/static/media/4c285fdca692ea22-s.p.woff2, /_next/static/media/6245472ced48d3be-s.p.woff2 (+6 more). Add `crossorigin` (or `crossorigin="anonymous"`) to each preload.
Performance issues directly impact user engagement and conversion rates.
A+LCP Image PreloadLCP preload audit not availablePASS
A+Main HTML Cache-ControlMain HTML uses no-store -- correct for sensitive/dynamic contentPASS
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
A+Green HostingWhether the site is served from green-energy infrastructurePASS
Green Hosting
This site is hosted on green energy infrastructure
Provider: IONOS SE
Network Waterfall70 requests over 2952msINFO
Image Optimization3 images, 24 KB total, 11 KB wastedINFO
Image Optimization Audit
Total Images
3
Total Size
24 KB
Oversized
1
Wasted
11 KB