Performance
· 23 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.
288 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
869 ms
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
45 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.
425 ms
Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.
869 ms
Page Load Progression
DThird-Party ImpactAction81% third-party, 0 ms blockingFIX
DHTTP CachingActionno-store (uncacheable)FIX
no-store, no-cache, must-revalidate
| Directive | Value | Meaning |
|---|---|---|
| no-store | — | Never cache this response |
| no-cache | — | Cache but always revalidate first |
| must-revalidate | — | Must recheck with server after expiry |
BDocument CompressionDocument response uses gzip; brotli would be ~20% smallerREVIEW
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
APage Weight Budget968 KB transferred, 20 requestsPASS
A+Text CompressionAll text resources are compressedPASS
AImage Optimization2 images, 0 KB saveablePASS
A+JS Execution Cost383ms total JS executionPASS
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://www.jumia.co.ke/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=a44ca61c1cb43c81 | 318ms | 299ms | 5ms | 1st |
| Unattributable | 64ms | 3ms | 0ms | 1st |
A+Font LoadingNo web fonts (system fonts)PASS
A+JS Bundles9 scripts, 0 KB unusedPASS
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://www.jumia.co.ke/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=a44ca61c1cb43c81 | 87 KB | — | ✓ | 1st |
| blob:https://www.jumia.co.ke/838eb822-5966-4736-b9c8-d71ba1560636 | 0 KB | — | ✓ | 3rd |
| https://challenges.cloudflare.com/turnstile/v0/b/d76008a69eab/api.js?onload=zaERg6&render=explicit | 28 KB | — | ✓ | 3rd |
| blob:https://www.jumia.co.ke/bbf3c874-7398-44ec-b7e0-dab32fa658c7 | -0 KB | — | ✓ | 3rd |
| blob:https://challenges.cloudflare.com/0034177a-fac2-4df0-b8e6-fc8c43452ffc | 0 KB | — | ✓ | 3rd |
| blob:https://challenges.cloudflare.com/a7c7462f-90f0-47c3-b343-c446b43ee6e2 | -0 KB | — | ✓ | 3rd |
| blob:https://challenges.cloudflare.com/a7c7462f-90f0-47c3-b343-c446b43ee6e2 | -0 KB | — | ✓ | 3rd |
| blob:https://challenges.cloudflare.com/a7c7462f-90f0-47c3-b343-c446b43ee6e2 | -0 KB | — | ✓ | 3rd |
| blob:https://challenges.cloudflare.com/2570259b-5679-43cf-82bd-f33c67f431ae | -0 KB | — | ✓ | 3rd |
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource HintsNo optimization neededPASS
A+HTTP/3 (QUIC)HTTP/3 advertised via Alt-SvcPASS
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
APage Weight Inventory20 resources · 968 KB · 0 KB savings availablePASS
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 20 resources | 968.4 KiB | ||||||
A+Green HostingWhether the site is served from green-energy infrastructurePASS
Green Hosting
This site is hosted on green energy infrastructure
Provider: Cloudflare
Asset CompressionNo text asset hosts to measureINFO
Network Waterfall20 requests over 2313msINFO
Real-User Performance (CrUX)Field metrics from the Chrome User Experience ReportINFO
Chrome User Experience (CrUX)
Real-user metrics from the Chrome UX Report (2026-09-04 — 2026-10-01)
LCP (p75)
3375 ms
53% good
INP (p75)
0 ms
0% good
CLS (p75)
0.040
82% good
FCP (p75)
2218 ms
TTFB (p75)
855 ms
Image Optimization1 images, 6 KB total, 0 KB wastedINFO
Image Optimization Audit
Total Images
1
Total Size
6 KB