What powers class1234.com?
Last seen Jun 2026 · 11 technologies across 7 categories
Analytics
Tinybird
since Feb 2026
CDN
Cloudflare
since Feb 2026
jsDelivr
since Feb 2026
JavaScript frameworks
React
since Feb 2026
Miscellaneous
Open Graph
since Feb 2026
PWA
since Mar 2026
Performance
Priority Hints
since Feb 2026
Security
Cloudflare Bot Management
since Apr 2026
HSTS
since Feb 2026
UI frameworks
Radix UI
since Apr 2026
Audience
- 43% phone
- 39% tablet
- 18% desktop
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 3.3 s |
| INP | 150 ms |
| CLS | 0.25 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- CDN: Cloudflare
- Weight: 2.7 MB · 33 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management Apr 2026
- detected Radix UI Apr 2026
- detected PWA Mar 2026