What powers koef.or.kr?
Last seen Apr 2026 · 20 technologies across 10 categories
Analytics
Google Analytics
since Jul 2022
Authentication
Facebook Login
since Jul 2022
CDN
Font scripts
Font Awesome
since Apr 2026
Google Font API
since Apr 2026
JavaScript frameworks
JavaScript libraries
Clipboard.js
since Jul 2022
Swiper
since Apr 2026
Miscellaneous
Open Graph
since Apr 2026
PWA
since Apr 2026
Tag managers
Google Tag Manager
since Jul 2022
UI frameworks
Web servers
Apache HTTP Server
since Jul 2022
Audience
- 100% desktop
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.24 / 10 · ranked #1,202,193 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Subdomains
| Host | Techs |
|---|---|
| koef.or.kr | 19 |
| www.koef.or.kr | 10 |