What powers happytrain.co.kr?
Last seen Jun 2026 · 14 technologies across 10 categories
CDN
Font scripts
Google Font API
since Mar 2025
Issue trackers
Sentry
since Jan 2026
JavaScript graphics
Chart.js
since Mar 2025
JavaScript libraries
Miscellaneous
PaaS
Amazon Web Services
since Mar 2025
Payment processors
Iamport
since Mar 2025
Web server extensions
Web servers
Audience
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.27 / 10 · ranked #64,922,384 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 70.0 MB · 84 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| happytrain.co.kr | 14 |
| www.happytrain.co.kr | 14 |
Full technology history →
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Recent changes
- detected Sentry Jan 2026