What powers ra-edu.net?
Last seen Jun 2026 · 17 technologies across 10 categories
Analytics
Google Analytics
since Apr 2024
Naver Analytics
since Aug 2024
CDN
Google Hosted Libraries
since Apr 2024
Editors
DreamWeaver
since Apr 2024
JavaScript frameworks
React
since Apr 2024
JavaScript libraries
Quicklink
since Apr 2024
Live chat
Channel.io
since Apr 2024
Miscellaneous
Kakao
since Aug 2024
Open Graph
since Apr 2024
Programming languages
Java
since Apr 2024
Security
HSTS
since Feb 2026
Web servers
Nginx
since Feb 2026
Audience
- 55% phone
- 45% desktop
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.09 / 10 · ranked #120,539,817 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0.15 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 2.6 MB · 95 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped Ubuntu Jun 2026
- detected HSTS Feb 2026
- detected Nginx Feb 2026
- detected Ubuntu Feb 2026
- dropped jQuery CDN Sep 2025