What powers lifeclass.co.kr?
Last seen May 2026 · 24 technologies across 15 categories
Analytics
CDN
Cloudflare
since Jul 2024
Google Cloud CDN
since Dec 2024
Customer data platform
IaaS
Google Cloud
since Dec 2024
Issue trackers
JavaScript libraries
LMS
Teachable
since Jul 2024
Miscellaneous
Payment processors
Programming languages
Ruby
since Jul 2024
Rich text editors
RUM
New Relic
since Sep 2024
Security
Video players
Wistia
since Jul 2024
Web frameworks
Ruby on Rails
since Jul 2024
Audience
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.22 / 10 · ranked #76,591,671 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- CDN: Google
- Weight: 7.4 MB · 40 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.lifeclass.co.kr | 24 |
| lifeclass.co.kr | 23 |
Full technology history →
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Recent changes
- dropped Cloudflare Browser Insights Jan 2026