CaptainsGround
Ground school for the helm. Pass your USCG OUPV (Six-Pack) or Master 100 GT exam — drilled against 33/46 CFR, COLREGs, and Bowditch. Free during early access.
Added May 17, 2026
· Last analysed May 17, 2026 · via 
StackScope records what new websites are built with, the week they launch. Most we find ourselves, by watching public internet infrastructure for brand-new sites; the rest come from Product Hunt, Hacker News and PeerPush. We crawled this one for its tech stack and scored it for launch readiness: DNS, security headers, SEO basics. This page is what we saw on 17 May 2026; the live site may have changed since.
Every technology below links to its own page: which other new sites launched with it. Vendors and agencies watch those pages with Stackdar and hear about new adopters the week they ship, from £15 a month.
CaptainsGround is largely in shape, with a complete set of security headers, a thorough launch checklist, and clean crawl signals. Visible gaps: incomplete legal pages, tracking cookies set before any opt-in, and no email security records.
Launched on Product Hunt on May 17, 2026. The site is hosted on Railway and served through Cloudflare, with a domain registered 2 weeks before launch. The crawl picked up 13 technologies on this site, covering security, analytics, auth, and CDN. The stack includes Clerk, Next.js, and React.
For context, it's on one of the most common stacks we track, shared by 597 launches and more locked down than the typical Product Hunt launch.
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Tech Stack (13)
| CDN |
Cloudflare
(2)
|
| DNS |
Cloudflare DNS
|
| Hosting |
Railway
|
| Protocol | HTTP/3 |
| Security |
Cloudflare Bot Management
|
| HSTS |
| Auth |
Clerk
(3)
|
| CSS framework |
Tailwind CSS
|
| Framework |
React
|
| Meta-framework |
Next.js
|
| Analytics |
PostHog
(4)
|
| SEO |
Google Search Console
|
| Error tracking |
Sentry
(2)
|
Infrastructure
Email Security
Storage (10)
| Name | Lifetime | Detected as |
|---|---|---|
| ph_phc_poTw58FYPjbgxNfpZXguT6a4tarDnusuueB99W77y92P_posthog | 12mo | PostHog |
| _cfuvid | session | Cloudflare |
| __cf_bm | < 1h | Cloudflare |
| __client | 1y | Clerk |
| __client_uat | 1y | Clerk |
| __client_uat_Ft7HZUZx | 1y | Clerk |
| Key | Size | Detected as |
|---|---|---|
| ph_phc_poTw58FYPjbgxNfpZXguT6a4tarDnusuueB99W77y92P_posthog | 452 B | PostHog |
| __clerk_environment | 6.1 KB | Clerk |
| Key | Size | Detected as |
|---|---|---|
| ph_phc_poTw58FYPjbgxNfpZXguT6a4tarDnusuueB99W77y92P_primary_window_exists | 4 B | PostHog |
| sentryReplaySession | 127 B | Sentry |
Readiness Breakdown How?
Vibe Score Breakdown How?
| Signal | Points |
|---|---|
| AI palette signals | +5 |
| AI writing signals | +5 |
This score is based on structural patterns and is not definitive. Many legitimate sites may trigger signals, and AI-built sites may go undetected. It should be treated as an indicator, not a verdict.