What powers learnsy.kr?
Last seen Jun 2026 · 26 technologies across 15 categories
Analytics
Google Analytics
since Jan 2025
CDN
JavaScript frameworks
React
since Jan 2025
JavaScript graphics
ApexCharts.js
since Jan 2025
JavaScript libraries
Swiper
since Jan 2025
Live chat
Channel.io
since Jan 2025
Marketing automation
OneSignal
since Dec 2025
Miscellaneous
Page builders
Bubble
since Jan 2025
Programming languages
Node.js
since Jan 2025
Search engines
Security
Cloudflare Bot Management
since Dec 2025
HSTS
since Jul 2025
Tag managers
Google Tag Manager
since Apr 2025
Video players
Web frameworks
Express
since Jan 2025
Audience
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.33 / 10 · ranked #45,747,163 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3 s |
| INP | 100 ms |
| CLS | 0.2 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- CDN: Cloudflare
- Weight: 7.2 MB · 104 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 Cloudflare Bot Management Dec 2025
- detected OneSignal Dec 2025
- detected PWA Dec 2025
- detected Unpkg Dec 2025
- dropped Google Font API Nov 2025
- detected VideoJS Sep 2025
- detected YouTube Sep 2025