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.
1.45 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
4.19 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
189 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.
2.48 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.
4.19 s
Page Load Progression
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 |
CJS Execution CostAction1349ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://burj-almubdia.com/ | 789ms | 14ms | 1ms | 1st |
| Unattributable | 386ms | 6ms | 0ms | 1st |
| https://burj-almubdia.com/_next/static/chunks/08c7277ny3zun.js | 174ms | 155ms | 13ms | 1st |
CJS BundlesAction15 scripts, 159 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://burj-almubdia.com/_next/static/chunks/01iahevbqhpzt.js | 69 KB | 60 KB (86%) | ✓ | 1st |
| https://burj-almubdia.com/_next/static/chunks/0vokiadnpqopv.js | 38 KB | 38 KB (100%) | ✓ | 1st |
| https://burj-almubdia.com/_next/static/chunks/11be7t2ypx4a8.js | 35 KB | 35 KB (100%) | ✓ | 1st |
| https://burj-almubdia.com/_next/static/chunks/08c7277ny3zun.js | 37 KB | 27 KB (73%) | ✓ | 1st |
| https://burj-almubdia.com/_next/static/chunks/07f6v-a0-9bws.js | 6 KB | — | ✓ | 1st |
| https://burj-almubdia.com/_next/static/chunks/turbopack-24iogg8nbo0i9.js | 4 KB | — | ✓ | 1st |
| https://burj-almubdia.com/_next/static/chunks/2zjueh7t2vecu.js | 2 KB | — | ✓ | 1st |
| https://burj-almubdia.com/_next/static/chunks/14mrh2-p_w84d.js | 13 KB | — | ✓ | 1st |
| https://burj-almubdia.com/_next/static/chunks/2p7z3hxv4n75_.js | 9 KB | — | ✓ | 1st |
| https://burj-almubdia.com/_next/static/chunks/3g5z1j2x5t36y.js | 1 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
BHTTP/3 (QUIC)HTTP/3 not advertisedREVIEW
BCompression AlgorithmMain 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+Page Weight Budget501 KB transferred, 36 requestsPASS
AThird-Party Impact21% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
A+Image Optimization4 images, 0 KB saveablePASS
A+Font Loading11 fonts (102 KB)PASS
Web fonts
11
102 KB total
Render-blocking
0
of 11
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 Hints1 hints, 0 missing preconnectsPASS
Current Resource Hints
1 resource hints configured
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+Page Weight Inventory36 resources · 501 KB · 159 KB savings availablePASS
~159.5 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 36 resources | 500.9 KiB | ||||||
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
Network Waterfall36 requests over 1553msINFO
Image Optimization84 images, 260 KB total, 124 KB wastedINFO
Image Optimization Audit
Total Images
84
Total Size
260 KB
Oversized
6
Wasted
124 KB