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.
1.84 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
3.80 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
4.85 s
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.935
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
10.86 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.
32.39 s
Page Load Progression
FPage Weight BudgetAction5.1 MB transferred, 228 requestsFIX
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
Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests.
High HTTP request count — bundling, sprite-ing, and HTTP/2 server push can reduce per-request overhead.
Source: web.dev
DThird-Party ImpactAction77% third-party, 0 ms blockingFIX
FJS Execution CostAction9909ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://techcommunity.microsoft.com/_next/static/chunks/framework.f348419a87d1d865.js | 4877ms | 4641ms | 17ms | 1st |
| https://aurora-customization-usw2.lithium.com/o365/main/mf/_next/static/chunks/cc594a49.e4da23b6a863f394.js | 1323ms | 1229ms | 90ms | 3rd |
| Unattributable | 914ms | 37ms | 0ms | 1st |
| https://techcommunity.microsoft.com/discussions/Azure/the-partition-count-you-picked-on-day-1-doesnt-have-to-follow-you-forever/4559106?wt.mc_id=studentamb_575125 | 791ms | 33ms | 3ms | 1st |
| https://techcommunity.microsoft.com/_next/static/chunks/95270.0757e4d9f5bb7d4f.js | 574ms | 571ms | 1ms | 1st |
| https://scripts.clarity.ms/0.8.72-beta/clarity.js | 224ms | 205ms | 7ms | 3rd |
| https://techcommunity.microsoft.com/_next/static/chunks/pages/_app-2c13200e7847425f.js | 217ms | 40ms | 171ms | 1st |
| https://aurora-customization-usw2.lithium.com/o365/main/mf/_next/static/chunks/5920.bfe4d77e59aebd1d.js | 198ms | 2ms | 195ms | 3rd |
| https://techcommunity.microsoft.com/t5/s/gxcuf89792/pagescripts/1769636933000/cookie_consent.js?page.id=ForumMessagePage&entity.id=board%3AAzure&entity.id=message%3A4559106 | 155ms | 142ms | 1ms | 1st |
| https://aurora-customization-usw2.lithium.com/o365/main/mf/_next/static/chunks/remoteEntry.js?t=1790732657315 | 141ms | 122ms | 7ms | 3rd |
Showing top 10 of 16 scripts
DJS BundlesAction129 scripts, 310 KB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://aurora-customization-usw2.lithium.com/o365/main/mf/_next/static/chunks/5038.8112722edcbe433b.js | 450 KB | 197 KB (44%) | ✓ | 3rd |
| https://techcommunity.microsoft.com/_next/static/chunks/pages/_app-2c13200e7847425f.js | 318 KB | 71 KB (22%) | ✓ | 1st |
| https://aurora-customization-usw2.lithium.com/o365/main/mf/_next/static/chunks/framework.6a7c03277db3aa60.js | 43 KB | 42 KB (99%) | ✓ | 3rd |
| https://techcommunity.microsoft.com/t5/s/gxcuf89792/pagescripts/1738986038000/searchHeader.js | 0 KB | — | ✓ | 1st |
| https://techcommunity.microsoft.com/t5/s/gxcuf89792/pagescripts/1769636933000/cookie_consent.js?page.id=ForumMessagePage&entity.id=board%3AAzure&entity.id=message%3A4559106 | 3 KB | — | ✓ | 1st |
| https://techcommunity.microsoft.com/_next/static/chunks/74176.1d2f412597efebf5.js | 2 KB | — | ✓ | 1st |
| https://techcommunity.microsoft.com/_next/static/chunks/80542-e554b662ed172792.js | 7 KB | — | ✓ | 1st |
| https://techcommunity.microsoft.com/_next/static/chunks/12465-a21fa20f6ebeea8a.js | 1 KB | — | ✓ | 1st |
| https://techcommunity.microsoft.com/_next/static/chunks/36266-cc6190a2c29618b4.js | 2 KB | — | ✓ | 1st |
| https://techcommunity.microsoft.com/_next/static/chunks/56930-c1a236d655cfc18b.js | 3 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
DPage Weight InventoryAction228 resources · 5.1 MB · 310 KB savings availableFIX
~309.6 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 228 resources | 5.1 MiB | ||||||
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 |
BImage Optimization3 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
BHTTP/3 (QUIC)HTTP/3 not advertisedREVIEW
BDocument CompressionDocument response uses gzip; brotli would be ~20% smallerREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
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 Loading3 fonts (100 KB)PASS
Web fonts
3
100 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-store -- correct for sensitive/dynamic contentPASS
AServer 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
Asset CompressionNo text asset hosts to measureINFO
Network Waterfall228 requests over 7970msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
aurora-customization-usw2.lithium.com aurora-customization-usw2.lithium.com | Other | 1323ms | 235 KB | — | $18/mo | Costly |
Microsoft Clarity scripts.clarity.ms | Session Replay | 224ms | 26 KB | — | $3/mo | Costly |
aurora-customization-usw2.lithium.com aurora-customization-usw2.lithium.com | Other | 198ms | 497 KB | — | $3/mo | Optional |
aurora-customization-usw2.lithium.com aurora-customization-usw2.lithium.com | Other | 141ms | 29 KB | — | $2/mo | Optional |
aurora-customization-usw2.lithium.com aurora-customization-usw2.lithium.com | Other | 134ms | 450 KB | 44% | $2/mo | Optional |
aurora-customization-usw2.lithium.com aurora-customization-usw2.lithium.com | Other | 51ms | 136 KB | — | $1/mo | Optional |
These scripts may cost more than they're worth
- aurora-customization-usw2.lithium.com adds 1323ms and costs ~$18/month
- Microsoft Clarity adds 224ms and costs ~$3/month
aurora-customization-usw2.lithium.com takes 1323ms 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
Microsoft Clarity takes 224ms 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 (2026-09-01 — 2026-09-28)
LCP (p75)
3896 ms
32% good
INP (p75)
86 ms
88% good
CLS (p75)
0.380
25% good
FCP (p75)
3537 ms
TTFB (p75)
2792 ms