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happyhorse AI

HappyHorse AI is an open-source video generator that turns text or images into cinematic 1080p video. Create videos with audio sync and multilingual lip-sync using HappyHorse-1.0

China Estimated origin: China

Added April 15, 2026 · Last analysed April 15, 2026 · via

Own this Launch?
Screenshot of happyhorse AI

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 15 April 2026; the live site may have changed since.

happyhorse AI is largely in shape, with complete legal pages, a thorough launch checklist, and clean crawl signals. Visible gaps: missing several security headers, tracking cookies set before any opt-in, and incomplete email security.

Launched on Product Hunt on April 15, 2026. The site is hosted on Vercel and served through Cloudflare, with a domain registered 6 days before launch. The crawl picked up 14 technologies on this site, covering analytics, security, auth, and CDN. The stack includes Clerk, Next.js, and React.

For context, it's on one of the most common stacks we track, shared by 10,662 launches.

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

7.6
StackScope Score
Good
100/100 Launch Readiness
Launch ready
1/6 Security Headers
Poor
3/3* Legal
Complete*
2/2 Crawl files
Complete
Vibe Score 45 · 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 (14)

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

Infrastructure

DNS
Cloudflare DNS
Authoritative nameserver
DNSSEC
Not enabled
DNS responses unsigned. Cache-poisoning vulnerable.
SSL Certificate
Let's Encrypt
Valid 14 Apr 2026 to 13 Jul 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
3 months
Registered Apr 2026 · GoDaddy.com, LLC

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.

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)
⚠
Meta description is 178 characters (advisory) Google only shows about 155–160 characters of the description in desktop search results (less on mobile); anything past that won't appear.

Vibe Score Breakdown How?

SignalPoints
AI CSS signals +10
AI onboarding signals +5
AI palette signals +5
AI writing signals +5
AI stack signals +10
Unfilled template placeholders +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

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

Well-Known Files

✓ robots.txt
✓ sitemap.xml (1 URLs)
✗ security.txt
✓ llms.txt
✗ ads.txt
✗ humans.txt

Legal

✓ Privacy Policy
/subsidiary/privacy-policy
✓ Terms of Service
/subsidiary/terms-of-service
? Consent manager not detected
Analytics set tracking cookies on our visit, with no opt-in step.
44% unique
Mentions:
Cookies Updated: March 13, 2026

Security Headers (1/6)

✗
Referrer-Policy
✗
X-Frame-Options
✗
Permissions-Policy experimental (check browser support)
✗
X-Content-Type-Options
✗
Content-Security-Policy
✓
Strict-Transport-Security
–
X-XSS-Protection deprecated (use Content-Security-Policy)

Performance

441ms response time
Faster than 41% of sites
5 third-party domains loaded

Build

✓ Code splitting
20 JS files
2 CSS files
5 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.