What powers seis.or.kr?
Last seen Jun 2026 · 21 technologies across 8 categories
Analytics
Naver Analytics
since Oct 2025
CDN
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
Java
since Sep 2021
Security
HSTS
since Jan 2024
UI frameworks
Audience
- 98% desktop
- 2% phone
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.70 / 10 · ranked #762,092 of all domains
50 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 27.3 MB · 153 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.seis.or.kr | 19 |
| edu.seis.or.kr | 6 |
| report.seis.or.kr | 1 |
Full technology history →
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Recent changes
- dropped Babel Nov 2025
- dropped CKEditor Nov 2025
- dropped Highcharts Nov 2025
- dropped Naver Maps Nov 2025
- dropped Select2 Nov 2025
- dropped SweetAlert Nov 2025
- dropped Vue.js Nov 2025
- detected Bootstrap Oct 2025
- detected Bootstrap Icons Oct 2025
- detected Dropzone Oct 2025
- detected jQuery Migrate Oct 2025
- detected jsDelivr Oct 2025
- detected Naver Analytics Oct 2025
- detected Popper Oct 2025