Performance
· 15 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.
634 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
950 ms
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
100 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.
790 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.
2.05 s
Page Load Progression
BPage Weight Budget1.1 MB transferred, 119 requestsREVIEW
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
CJS Execution CostAction1011ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://www.producthunt.com/_next/static/chunks/0-kl82fo5g~hb.js | 554ms | 532ms | 4ms | 1st |
| https://www.producthunt.com/ | 221ms | 16ms | 22ms | 1st |
| Unattributable | 174ms | 27ms | 0ms | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-WZ46833KH9 | 61ms | 47ms | 9ms | 3rd |
CJS BundlesAction50 scripts, 296 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://accounts.google.com/gsi/client | 93 KB | 69 KB (75%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-WZ46833KH9 | 161 KB | 63 KB (39%) | ✓ | 3rd |
| https://www.producthunt.com/_next/static/chunks/0uln-8_dfcj_j.js | 50 KB | 38 KB (76%) | ✓ | 1st |
| https://www.producthunt.com/_next/static/chunks/0u-tli35kcvlw.js | 53 KB | 35 KB (66%) | ✓ | 1st |
| https://www.producthunt.com/_next/static/chunks/0cwgcpulz9rkx.js | 36 KB | 25 KB (70%) | ✓ | 1st |
| https://www.producthunt.com/_next/static/chunks/13aa8zaos-pov.js | 27 KB | 24 KB (89%) | ✓ | 1st |
| https://www.producthunt.com/_next/static/chunks/022dxpd8_9.5t.js | 35 KB | 21 KB (61%) | ✓ | 1st |
| https://www.producthunt.com/_next/static/chunks/0fs~vwtdvph9s.js | 37 KB | 20 KB (56%) | ✓ | 1st |
| https://www.producthunt.com/_next/static/chunks/11_i2w-lw0b.s.js | 9 KB | — | ✓ | 1st |
| https://www.producthunt.com/_next/static/chunks/0.rl.9~x.6lad.js | 15 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
AThird-Party Impact32% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
A+Image Optimization32 images, 0 KB saveablePASS
A+Font LoadingNo web fonts (system fonts)PASS
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource HintsNo optimization neededPASS
A+Green HostingWhether the site is served from green-energy infrastructurePASS
Green Hosting
This site is hosted on green energy infrastructure
Provider: Cloudflare
A+HTTP Cachingmax-age=30 (30 seconds)PASS
public, max-age=30
| Directive | Value | Meaning |
|---|---|---|
| public | — | Any cache may store this response |
| max-age | 30 | Cache for 30 seconds |
Network Waterfall119 requests over 0msINFO
Performance analysis not available for this result.
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Unattributable Unattributable | Other | 174ms | 0 KB | — | $2/mo | Optional |
Google Tag Manager www.googletagmanager.com | Tag Manager | 61ms | 161 KB | 39% | $1/mo | Optional |
Real-User Performance (CrUX)Field metrics from the Chrome User Experience ReportINFO
Chrome User Experience (CrUX)
Real-user metrics from the Chrome UX Report (2026-03-08 — 2026-04-04)
LCP (p75)
1920 ms
86% good
INP (p75)
147 ms
81% good
CLS (p75)
0.080
79% good
FCP (p75)
1753 ms
TTFB (p75)
1264 ms