Celesto
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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 26 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.
Celesto has the basics covered well, with complete legal pages, a thorough launch checklist, and well-configured email security. Visible gaps: missing several security headers and tracking cookies set before any opt-in.
Launched on Hacker News on May 26, 2026. The site is hosted on Vercel and served through Cloudflare, with a domain registered 10 months before launch. Our crawler found 12 technologies on this site, covering analytics, CDN, CSS frameworks, and DNS providers. The stack includes Astro, Tailwind CSS, and Brevo.
If you own this site, refresh the snapshot and see the full fix list any time →
Tech Stack (12) · Indie stack
| CDN |
Cloudflare
|
| DNS |
Cloudflare DNS
|
| Hosting |
Vercel
|
| Security | HSTS |
| Business email |
Google Workspace
(3)
|
| Email marketing |
Brevo
|
| Transactional email |
Resend
|
| CSS framework |
Tailwind CSS
|
| Meta-framework |
Astro
(2)
|
| Video |
YouTube
(2)
|
| Analytics |
PostHog
(4)
|
| SEO |
Google Search Console
|
Infrastructure
Email Security
Storage (10)
| Name | Lifetime | Detected as |
|---|---|---|
| ph_phc_vjIHlkZ5iOYWdZx0LXiifLKGl53QehS8LjudWiuSRND_posthog | 12mo | PostHog |
| VISITOR_INFO1_LIVE | 5mo | YouTube |
| VISITOR_PRIVACY_METADATA | 5mo | YouTube |
| YSC | session | - |
| __Secure-ROLLOUT_TOKEN | 5mo | - |
| __Secure-YNID | 5mo | YouTube |
| Key | Size | Detected as |
|---|---|---|
| ph_phc_vjIHlkZ5iOYWdZx0LXiifLKGl53QehS8LjudWiuSRND_posthog | 1.4 KB | PostHog |
| Key | Size | Detected as |
|---|---|---|
| ph_phc_vjIHlkZ5iOYWdZx0LXiifLKGl53QehS8LjudWiuSRND_posthog | 388 B | PostHog |
| ph_phc_vjIHlkZ5iOYWdZx0LXiifLKGl53QehS8LjudWiuSRND_primary_window_exists | 4 B | PostHog |
| ph_phc_vjIHlkZ5iOYWdZx0LXiifLKGl53QehS8LjudWiuSRND_window_id | 38 B | PostHog |
Readiness Breakdown How?
Vibe Score Breakdown How?
| Signal | Points |
|---|---|
| AI writing signals | +3 |
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.