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Postern

One gateway, on your own computer, between your life and any AI agent you allow.

Productivity

Added August 22, 2026 · Last analysed August 22, 2026 · via

Own this Launch?
Screenshot of Postern

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 22 August 2026; the live site may have changed since.

Postern ships with the launch fundamentals in place, with complete legal pages and a thorough launch checklist. What needs work: no Strict-Transport-Security, no sitemap, and no email security records.

Launched on Product Hunt on August 22, 2026. The site is served through Cloudflare, with a domain registered 5 weeks before launch. Our crawler found 4 technologies on this site, covering analytics, CDN, DNS providers, and frameworks. The stack includes Svelte, Cloudflare, and Cloudflare DNS.

It's also one of 72 launches on this exact stack and tighter on security headers than most Product Hunt launches.

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

8.4
StackScope Score
Excellent
100/100 Launch Readiness
Launch ready
5/6 Security Headers
Strong
3/3 Legal
Complete
1/2 Crawl files
Partial
100/100 Performance
Fast
Vibe Score 38 · Some 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 (4)

Infrastructure
CDN Cloudflare
DNS Cloudflare DNS
Build & Framework
Framework Svelte
Analytics & Marketing
Analytics Cloudflare Web Analytics

Infrastructure

Network
CLOUDFLARENET - Cloudflare, Inc., US
AS13335 · US
DNS
Cloudflare DNS
Authoritative nameserver
DNSSEC
Not enabled
DNS responses unsigned. Cache-poisoning vulnerable.
Green hosting
Green hosted
Host runs on renewable energy. Data from The Green Web Foundation.
SSL Certificate
Google Trust Services
Valid 1 Aug 2026 to 30 Oct 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
1 month
Registered Jul 2026 · Cloudflare, Inc.

Email Security

✗
SPF Not published. Your domain can be spoofed in phishing emails.
?
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)
✓ Twitter card meta tags
✓ Canonical URL declared
✓ Responsive viewport meta tag
✓ Favicon present
✓ Semantic HTML (nav, main, article)
⚠
Page title is 62 characters (advisory) Google only shows about 60 characters of the title in search results; aim for 50–60 to keep the whole thing visible.

Performance How?

205 ms Server response
62% Faster than peers
372 ms Largest contentful paint
0.03 Cumulative layout shift
251 KB Page weight
81 KB Image weight
2 Third-party domains
0 Console errors
0 Failed requests

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 writing signals +5
AI code-structure signals +5
AI CSS signals +8

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

Welcomes AI crawlers
✓ llms.txt published
✓ No AI bots blocked in robots.txt
Content-Signal
? No directive declared
Link headers
? None advertised

Well-Known Files

✓ robots.txt (no directives)
✗ sitemap.xml
✗ security.txt
✓ llms.txt
✗ ads.txt
✗ humans.txt

Legal

✓ Privacy Policy
/privacy/
✓ Terms of Service
/terms/
? Analytics present, but it set no tracking cookies on our visit (it may be opt-in-gated).
90% unique

Security Headers (5/6)

✓
Referrer-Policy
✓
X-Frame-Options
✓
Permissions-Policy experimental (check browser support)
✓
X-Content-Type-Options
✓
Content-Security-Policy ⚠ CSP violation detected: your policy is blocking 1 of your own resource
✗
Strict-Transport-Security
–
X-XSS-Protection deprecated (use Content-Security-Policy)

Build

✓ Code splitting
4 JS files
2 CSS files
2 Third-party domains

Brand Colours

Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.