What powers s-learn.com?
Last seen Jun 2026 · 22 technologies across 12 categories
Analytics
Google Analytics
since Jun 2025
Naver Analytics
since Jun 2025
CDN
jsDelivr
since Jun 2025
Font scripts
Google Font API
since Jan 2026
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Vercel
since Jun 2025
Performance
Priority Hints
since Jan 2026
Programming languages
RUM
Datadog
since Jun 2025
Security
HSTS
since Jun 2025
UI frameworks
Audience
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 4.1 s |
| INP | 275 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean (South Korea)
- CDN: Vercel
- Weight: 7.9 MB · 111 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Font API Jan 2026
- detected Next.js App Router Jan 2026
- detected Priority Hints Jan 2026
- detected Radix UI Jan 2026