BlackoutPDF
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blackoutpdf.co
· Added June 17, 2026
· Last analysed June 17, 2026 · via 
· 50% unique tagline
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 17 June 2026; the live site may have changed since.
BlackoutPDF scores well across the board, with complete legal pages, a thorough launch checklist, and clean crawl signals. Main gaps: missing Permissions-Policy and Content-Security-Policy and incomplete email security.
Launched on Product Hunt on June 17, 2026. The site is hosted on Amazon.com in the United States. Our crawler found 10 technologies on this site, covering transactional email, directory, DNS providers, and business email. The stack includes Amazon SES, cdnjs, and Cloudflare DNS.
Notably, it's on one of the most common stacks we track, shared by 1,417 launches and more locked down than the typical Product Hunt launch.
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Tech Stack (10) · Indie stack
| DNS |
Cloudflare DNS
|
| Hosting |
Vercel
|
| Security | HSTS |
| Business email |
Cloudflare Email Routing
|
| Transactional email |
Amazon SES
|
Resend
|
| Font |
Google Fonts
|
| Package CDN |
cdnjs
|
| SEO |
Google Search Console
|
| Directory |
Product Hunt
|
Infrastructure
Email Security
Storage (0)
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 writing signals | +5 |
| AI code-structure signals | +10 |
| AI typography signals | +15 |
| AI CSS signals | +15 |
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.