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OpAstro

Open-source, deterministic horoscope engine for developers. High-UX terminal CLI, API, Swiss Ephemeris and explainable astrology.

71% unique tagline

opastro.com · Added April 8, 2026 · Last analysed April 10, 2026· via Product Hunt

Screenshot of OpAstro
This analysis is a snapshot taken on 10 April 2026. The site may have changed since then and results may not reflect its current state.
5.5
StackScope Score
Fair
25/100 Vibe Score
Some AI signals
75/100 Launch Readiness
Well prepared
2/6 Security Headers
Weak
neutral
AI Stance
No AI stance declared

Tech Stack (7)

Infrastructure
Cloudflare Cdn http_header_name
Cloudflare DNS DNS ns_host
HTTP/3 Protocol http_header_value
Build & Framework
cdnjs Package CDN link_href
Font Awesome Icon font link_href
Analytics & Marketing
Google Analytics Analytics cookie_name script_src
Google Search Console Seo txt_prefix

Infrastructure

Hosting
AS13335 · US
SSL Certificate
Google Trust Services
Expires 3 Jul 2026
Domain Age
8 days
Registered Apr 2026 · Cloudflare, Inc.

Readiness Breakdown How?

✓ Favicon present
✓ Open Graph tags (title, image, description)
✓ Responsive viewport meta tag
✓ Custom title and meta description
✓ Twitter card meta tags
✓ Semantic HTML (nav, main, article)
- Canonical URL declared
- Source maps not exposed in production
- Error tracking service installed
- Privacy policy page present

Vibe Score Breakdown How?

SignalPoints
Source-code structure conventions +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.

Well-Known Files

✓ robots.txt
✗ llms.txt
✗ security.txt
✓ sitemap.xml
✗ ads.txt
✗ humans.txt

Legal

? Privacy Policy not detected
? Terms of Service not detected
Detection works best on English language sites.

Security Headers (2/6)

✓ Referrer-Policy
✗ X-Frame-Options
✗ Permissions-Policy
✓ X-Content-Type-Options
✗ Content-Security-Policy
✗ Strict-Transport-Security
– X-XSS-Protection (legacy)

Performance

140ms response time
Faster than 80% of sites
2 third-party domains loaded

Build

✗ HTML minified
2 JS files
2 Third-party domains
Is this your site? 5 tips to improve your score
- Add a privacy policy. Free generators like Termly or Iubenda can create one in minutes.
- Add a /.well-known/security.txt so security researchers can reach you. Learn more
- Consider adding a llms.txt file to help AI models understand your site. Not yet a standard, but gaining adoption. Learn more
- Improve your security headers. Scan your site at securityheaders.com to see what's missing.
- Add a <link rel="canonical"> tag to prevent duplicate content issues. Learn more
Embed this score on your site
StackScope Score 
<a href="https://stackscope.dev/launch/hql8dmh7/opastro"><img src="https://stackscope.dev/badge/hql8dmh7.svg" alt="StackScope Score" height="28" /></a>