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Rac-delta

rac-delta is an universal differential protocol designed to sync and distribute builds (like games, apps or directories) efficiently and storage agnostic.

79% unique tagline

raccreative.github.io · Added April 7, 2026 · Last analysed April 10, 2026· via Hacker News

Screenshot of Rac-delta
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.
5.8
StackScope Score
Fair
0/100 Vibe Score
No AI signals
85/100 Launch Readiness
Launch ready
1/6 Security Headers
Poor
neutral
AI Stance
No AI stance declared

Tech Stack (5)

Infrastructure
Fastly http_header_name
GitHub Pages http_header_name
HSTS http_header_name
Build & Framework
Algolia link_href
Docusaurus meta_content meta_name

Infrastructure

Hosting
AS54113 · US
SSL Certificate
Let's Encrypt
Expires 7 May 2026 (25d)

Readiness Breakdown How?

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

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 (1/6)

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

Performance

175ms response time
Faster than 72% of sites
2 third-party domains loaded

Build

✓ HTML minified
2 JS files
2 Third-party domains
Is this your site? 6 tips to improve your score
- Add a robots.txt file to control how search engines and bots crawl your site. Learn more
- Add a sitemap.xml to help search engines discover all your pages. Learn more
- 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.
Embed this score on your site
StackScope Score 
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