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PageBook

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South Korea Estimated origin: South Korea

Added August 9, 2026 · Last analysed August 9, 2026 · via

StackScope is a free public catalogue of indie launches. We find launches on Product Hunt, Hacker News and similar feeds, then crawl each site to detect its tech stack and score it for launch readiness: DNS, security headers, SEO basics. This page is what we saw on 9 August 2026; the live site may have changed since.

PageBook looks production-ready overall, with complete legal pages, a thorough launch checklist, and clean crawl signals. What needs work: missing several security headers and incomplete email security.

Launched on Product Hunt on August 9, 2026. The site is hosted on Vercel, with a domain registered 10 weeks before launch. We've detected 11 technologies on this site, covering ui library, analytics, CSS frameworks, and DNS providers. The stack includes Next.js, React, and Tailwind CSS.

It's running the same core stack as 12,657 other launches.

If you own this site, refresh the snapshot and see the full fix list any time →

Vibe Score 15 · Few AI signals
How much the site looks AI-generated. Informational pattern-match signal, not a verdict. Does not feed the StackScope Score. See which fingerprints fired →

Tech Stack (11)

Infrastructure
DNS Cloudflare DNS
Hosting Vercel
Security HSTS
Email
Email forwarding Cloudflare Email Routing (2)
Build & Framework
CSS framework Tailwind CSS
Framework React
Meta-framework Next.js (4)
UI library Lucide Icons
shadcn/ui
Analytics & Marketing
Analytics Google Analytics
SEO Google Search Console

Infrastructure

Network
AS16509 · US
DNS
Cloudflare DNS
Authoritative nameserver
DNSSEC
Not enabled
DNS responses unsigned. Cache-poisoning vulnerable.
Green hosting
Not green hosted
No green-energy record. Data from The Green Web Foundation.
SSL Certificate
Let's Encrypt
Valid 5 Aug 2026 to 3 Nov 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
2 months
Registered May 2026 · Cloudflare, Inc.

Email Security

SPF ~all Soft-fail (~all). Common and accepted.
?
DKIM Not detected at common selectors. Your provider may use a custom one.
DMARC Not published. Receivers fall back to permissive defaults.
?
MTA-STS Not deployed. Mail to your domain can be downgraded to plaintext en route.
?
TLS-RPT Not configured. You won't hear about silent SMTP TLS handshake failures.

Storage (0)

This site uses no client-side storage we could detect on page load.

Readiness Breakdown How?

Custom title and meta description
Open Graph tags (title, image, description) (partial) missing og:image
Twitter card meta tags
Canonical URL declared
Responsive viewport meta tag
Favicon present
Semantic HTML (nav, main, article)

Performance How?

1301 ms Server response
6% Faster than peers
880 ms Largest contentful paint
0.00 Cumulative layout shift
383 KB Page weight
9 KB Image weight
1 Third-party domains
0 Console errors
0 Failed requests

3 images: 3 missing alt text

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?

SignalPoints
AI onboarding 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.

AI Stance

No AI stance declared
llms.txt published
No AI bots blocked in robots.txt
? No directive declared
? None advertised

Well-Known Files

robots.txt
sitemap.xml (338 URLs)
security.txt
llms.txt
ads.txt
humans.txt
Privacy Policy
/ko/privacy
Terms of Service
/ko/terms
? Analytics present, but it set no tracking cookies on our visit (it may be opt-in-gated).
90% unique

Security Headers (1/6)

Permissions-Policy experimental (check browser support)
X-XSS-Protection deprecated (use Content-Security-Policy)

Build

Code splitting
20 JS files
2 CSS files
1 Third-party domains

Brand Colours

App Manifest

PAGEBOOK
display: standalone 6 icons
theme #ffffff
Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.