What powers classyclass.kr?
Last seen Apr 2026 · 23 technologies across 13 categories
Analytics
Google Analytics
since Jan 2025
Microsoft Clarity
since Jan 2025
Authentication
Facebook Login
since Jan 2025
CDN
Amazon CloudFront
since Jan 2025
Cloudflare
since Jan 2025
Font scripts
Font Awesome
since Jan 2025
Issue trackers
Sentry
since Jan 2025
JavaScript frameworks
JavaScript libraries
Live chat
Channel.io
since Jan 2025
Miscellaneous
PaaS
Amazon Web Services
since Jan 2025
Security
HSTS
since Jan 2025
Tag managers
Google Tag Manager
since Jan 2025
Web servers
Nginx
since Jan 2025
Audience
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 3.3 s |
| CLS | 0.2 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- CDN: Amazon CloudFront
- Weight: 17.5 MB · 131 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| classyclass.kr | 22 |
| www.classyclass.kr | 19 |