Sidedoor
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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 1 July 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.
Sidedoor looks production-ready overall, with a complete set of security headers, a thorough launch checklist, and clean crawl signals. Worth fixing first: incomplete legal pages, tracking cookies set before any opt-in, and incomplete email security.
Launched on Hacker News on July 1, 2026. The site is hosted on Vercel and served through Cloudflare, with a domain registered in 2022. We've detected 29 technologies on this site, covering auth, social embeds, analytics, and business email. The stack includes Clerk, Google OAuth, and Google Sign-In.
It's running the same core stack as 14,963 other launches and tighter on security headers than most Hacker News launches.
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Tech Stack (29)
| CDN |
Cloudflare
|
| DNS |
Namecheap DNS
|
| Hosting |
Vercel
(2)
|
| Security |
Cloudflare Bot Management
|
| HSTS |
| Business email |
Google Workspace
(3)
|
Microsoft 365
|
| Auth |
Clerk
(5)
|
Google OAuth
|
|
Google Sign-In
(2)
|
|
| Captcha |
Cloudflare Turnstile
|
| CSS framework |
Tailwind CSS
|
| Framework |
React
|
| JavaScript library |
Motion
|
Zod
|
|
| Meta-framework |
Next.js
(4)
|
| Realtime |
Pusher
|
| UI library |
Lucide Icons
|
shadcn/ui
|
| Analytics |
PostHog
(4)
|
Vercel Analytics
medium
|
|
| SEO |
Google Search Console
|
| Social |
Google Search
|
Twitter Widgets
|
|
X (Twitter)
|
| Payments |
Stripe
|
| Chat |
Intercom
(2)
|
| Collaboration |
Vercel Live
|
| Error tracking |
Sentry
(3)
|
Infrastructure
Email Security
Storage (12)
| Name | Lifetime | Detected as |
|---|---|---|
| ph_distinct_id | 1mo | PostHog |
| ph_phc_6kiFtcI0IMJmMsaMI8jh69ngQmzUhw48WPESZI0w6lK_posthog | 12mo | PostHog |
| _cfuvid | session | Cloudflare |
| __cf_bm | < 1h | Cloudflare |
| __client | 1y | Clerk |
| __client_uat | 1y | Clerk |
| __client_uat_K8Qez0yT | 1y | Clerk |
| Key | Size | Detected as |
|---|---|---|
| ph_phc_6kiFtcI0IMJmMsaMI8jh69ngQmzUhw48WPESZI0w6lK_posthog | 472 B | PostHog |
| __clerk_environment | 6.9 KB | Clerk |
| Key | Size | Detected as |
|---|---|---|
| ph_phc_6kiFtcI0IMJmMsaMI8jh69ngQmzUhw48WPESZI0w6lK_posthog | 90 B | PostHog |
| ph_phc_6kiFtcI0IMJmMsaMI8jh69ngQmzUhw48WPESZI0w6lK_primary_window_exists | 4 B | PostHog |
| sentryReplaySession | 141 B | Sentry |
Readiness Breakdown How?
Performance How?
Indicative grade from a single automated render, not a substitute for Lighthouse or field data, and not part of the StackScope score.
Vibe Score Breakdown How?
| Signal | Points |
|---|---|
| AI CSS signals | +10 |
| AI palette signals | +5 |
| AI stack signals | +10 |
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.