What powers 1661-2129.or.kr?
Last seen Jun 2026 · 26 technologies across 13 categories
Analytics
Naver Analytics
since Jul 2024
CDN
cdnjs
since Feb 2026
Cloudflare
since Feb 2026
Google Hosted Libraries
since Feb 2026
jsDelivr
since Feb 2026
Unpkg
since Feb 2026
CMS
Gnuboard
since Feb 2026
Databases
MySQL
since Feb 2026
JavaScript graphics
Chart.js
since Feb 2026
JavaScript libraries
Load balancers
Amazon ALB
since Jan 2025
Miscellaneous
Kakao
since Feb 2022
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Jan 2025
Programming languages
Security
HSTS
since Feb 2026
Web server extensions
Web servers
Audience
- 63% desktop
- 28% phone
- 9% tablet
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.85 / 10 · ranked #1,867,688 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 0.3 MB · 23 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.1661-2129.or.kr | 19 |
| 1661-2129.or.kr | 8 |
| edu.1661-2129.or.kr | 7 |
| data.1661-2129.or.kr | 3 |
Full technology history →
Report an incorrect detection
Recent changes
- detected core-js Apr 2026
- dropped core-js Mar 2026
- dropped Google Tag Manager Mar 2026
- detected AOS Feb 2026
- detected cdnjs Feb 2026
- detected Chart.js Feb 2026
- detected Cloudflare Feb 2026
- detected fullPage.js Feb 2026
- detected Gnuboard Feb 2026
- detected Google Hosted Libraries Feb 2026
- detected HSTS Feb 2026
- detected jsDelivr Feb 2026
- detected MySQL Feb 2026
- detected PHP Feb 2026
- detected Unpkg Feb 2026