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sproutmarkup.com · Added June 18, 2026 · Last analysed June 18, 2026 · via Hacker News · 70% 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 18 June 2026; the live site may have changed since.

Markup scores well across the board, with complete legal pages, a thorough launch checklist, and well-configured email security. Visible gaps: missing Permissions-Policy and Content-Security-Policy.

Launched on Hacker News on June 18, 2026. The site is hosted on Cloudflare in the United States, with a domain registered 2 weeks before launch. Our crawler found 6 technologies on this site, covering CDN, CSS frameworks, DNS providers, and business email. The stack includes Tailwind CSS, Cloudflare, and Cloudflare DNS.

Notably, it's on one of the most common stacks we track, shared by 1,137 launches and more locked down than the typical Hacker News launch.

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

9.1
StackScope Score
Excellent
100/100 Launch Readiness
Launch ready
3/3 Legal
Complete
2/2 Web Standards
Complete
Vibe Score 45 · Some AI signals
Informational pattern-match signal. Does not feed the StackScope Score. See which fingerprints fired →

Tech Stack (6)

Infrastructure
CDN Cloudflare
DNS Cloudflare DNS
Security HSTS
Email
Business email Microsoft 365
Build & Framework
CSS framework Tailwind CSS
UI library shadcn/ui

Infrastructure

Network
AS13335 · US
DNS
Cloudflare DNS
Authoritative nameserver
DNSSEC
Not enabled
DNS responses unsigned. Cache-poisoning vulnerable.
SSL Certificate
Google Trust Services
Valid 17 Jun 2026 to 15 Sep 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
15 days
Registered Jun 2026 · GoDaddy.com, LLC

Email Security

SPF -all Strict (-all). Strong.
?
DKIM Not detected at common selectors. Your provider may use a custom one.
DMARC p=quarantine Quarantine (moderate)
?
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?

1126 ms Server response
9% Faster than peers
1584 ms Largest contentful paint
0.05 Cumulative layout shift
326 KB Page weight
1 Third-party domains
0 Console errors
0 Failed requests

2 images: 2 oversized, 2 without width/height

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 copy signals +5
AI onboarding signals +5
AI palette signals +5
AI writing signals +5
AI code-structure signals +5

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

Blocks AI crawlers
llms.txt published
9 AI bots blocked in robots.txt
ai-train = no
search = yes
? ai-input (not declared)
? None advertised

Well-Known Files

sitemap.xml (4 URLs)
security.txt
llms.txt
ads.txt
humans.txt
90% unique

Security Headers (4/6)

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

Build

1 JS files
2 CSS files
1 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.