What powers icg21.com?
Last seen Jun 2026 · 29 technologies across 14 categories
Analytics
Matomo Analytics
since Mar 2023
Naver Analytics
since Sep 2024
CDN
cdnjs
since Feb 2025
Cloudflare
since Feb 2025
jQuery CDN
since Mar 2023
jsDelivr
since Mar 2023
Unpkg
since Feb 2025
CMS
Databases
MySQL
since Nov 2022
Font scripts
Google Font API
since Nov 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
UI frameworks
Semantic UI
since Mar 2023
Video players
YouTube
since Feb 2025
Web server extensions
Web servers
WordPress themes
Twenty Seventeen
since Nov 2022
Audience
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.61 / 10 · ranked #21,728,532 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 23.4 MB · 157 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| ibms.icg21.com | 21 |
| portal.icg21.com | 14 |
| icgbook.icg21.com | 11 |