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Modern Master Key

Read the full original 1912 Master Key System free forever. Modern Master Key adds optional premium focus training, streak tracking, and advanced study tools.

80% unique tagline

modernmasterkey.com · Added April 7, 2026 · Last analysed April 10, 2026· via Product Hunt

Screenshot of Modern Master Key
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.
6.1
StackScope Score
Good
0/100 Vibe Score
No AI signals
60/100 Launch Readiness
Well prepared
0/6 Security Headers
Poor
neutral
AI Stance
No AI stance declared

Tech Stack (5)

Technology Category Detected via
Namecheap DNS dns_provider ns_host
Zoho Mail email_corp mx_host spf_include txt_prefix
Google Fonts font link_href
Google Search Console seo txt_prefix
LiteSpeed Web Server server http_header_value

Infrastructure

Hosting
NAMECHEAP-NET - Namecheap, Inc., US
AS22612 · US
SSL Certificate
Sectigo Limited
Expires 21 Jan 2027
Domain Age
8 months
Registered Aug 2025 · NameCheap, Inc.

Readiness Breakdown How?

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

Well-Known Files

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

Legal

✓ Privacy Policy
✓ Terms of Service
90% unique
Mentions:
Updated: March 10, 2026

Security Headers (0/6)

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

Performance

572ms response time
Faster than 28% of sites
1 third-party domains loaded

Build

✗ HTML minified
0 JS files
1 Third-party domains
Is this your site? 7 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 /.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 Open Graph tags so your site looks good when shared on social media. Learn more
- Add a <link rel="canonical"> tag to prevent duplicate content issues. Learn more
Embed this score on your site
StackScope Score 
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