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.
2.97 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
5.25 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
566 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.
4.97 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.
14.05 s
Page Load Progression
BPage Weight Budget1.2 MB transferred, 40 requestsREVIEW
Subset fonts to include only used characters, or switch to system font stacks.
Font payload is large — subset to used glyphs only, or fall back to system fonts (zero load time).
Source: web.dev font loading
CJS Execution CostAction1616ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://app.vip100x.com/_next/static/chunks/3qz1u5m6pm-zo.js | 866ms | 758ms | 95ms | 1st |
| Unattributable | 365ms | 14ms | 0ms | 1st |
| https://app.vip100x.com/ | 243ms | 27ms | 5ms | 1st |
| https://static.cloudflareinsights.com/beacon.min.js/v3d52b47920f24c319d37e2661827c42b1787588026925 | 72ms | 51ms | 0ms | 3rd |
| https://app.vip100x.com/_next/static/chunks/2w4jzucew4tct.js | 71ms | 45ms | 23ms | 1st |
BJS Bundles15 scripts, 118 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://app.vip100x.com/_next/static/chunks/3qz1u5m6pm-zo.js | 195 KB | 118 KB (62%) | ✓ | 1st |
| https://app.vip100x.com/_next/static/chunks/turbopack-1qobu2j8-8h00.js | 5 KB | — | ✓ | 1st |
| https://app.vip100x.com/_next/static/chunks/2_myi09zwn9d1.js | 9 KB | — | ✓ | 1st |
| https://app.vip100x.com/_next/static/chunks/1t5z4ctexxq9x.js | 4 KB | — | ✓ | 1st |
| https://app.vip100x.com/_next/static/chunks/2w4jzucew4tct.js | 43 KB | — | ✓ | 1st |
| https://app.vip100x.com/_next/static/chunks/0vb4-pf-ns6v9.js | 19 KB | — | ✓ | 1st |
| https://static.cloudflareinsights.com/beacon.min.js/v3d52b47920f24c319d37e2661827c42b1787588026925 | 9 KB | — | ✓ | 3rd |
| https://app.vip100x.com/_next/static/chunks/0de70n9yr_b-l.js | 10 KB | — | ✓ | 1st |
| https://app.vip100x.com/_next/static/chunks/1jsligd28460c.js | 9 KB | — | ✓ | 1st |
| https://app.vip100x.com/_next/static/chunks/011qxpyo32igt.js | 12 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
BMain HTML Cache-ControlCache-Control present but without max-ageREVIEW
BPage Weight Inventory40 resources · 1.2 MB · 118 KB savings availableREVIEW
~118.1 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 40 resources | 1.2 MiB | ||||||
BHTTP Cachings-maxage=31536000REVIEW
s-maxage=31536000
| Directive | Value | Meaning |
|---|---|---|
| s-maxage | 31536000 | CDN caches for 52 weeks |
A+Third-Party Impact1% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
A+Image OptimizationNo images on this pagePASS
A+Font Loading14 fonts (881 KB)PASS
Web fonts
14
881 KB total
Render-blocking
0
of 14
Dominant font-display
swap
Most common across fonts
Font loading timeline
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
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 ~242 KB and ~484 ms
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource Hints15 hints, 0 missing preconnectsPASS
Current Resource Hints
15 resource hints configured
A+HTTP/3 (QUIC)HTTP/3 advertised via Alt-SvcPASS
A+Compression AlgorithmMain response uses brotliPASS
A+LCP Image PreloadLCP preload audit not availablePASS
A+Server-Timing Observability3 Server-Timing entries advertisedPASS
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: Cloudflare
Network Waterfall40 requests over 3327msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
static.cloudflareinsights.com static.cloudflareinsights.com | Other | 72ms | 9 KB | — | $1/mo | Optional |