What powers klaiedu.co.kr?
Last seen Jun 2026 · 9 technologies across 6 categories
JavaScript libraries
SweetAlert2
since Feb 2024
Operating systems
CentOS
since Feb 2020
Programming languages
Java
since Sep 2021
UI frameworks
Web server extensions
Web servers
Apache Tomcat
since Dec 2022
Audience
- 84% desktop
- 10% tablet
- 6% phone
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.22 / 10 · ranked #75,891,095 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 4.8 MB · 39 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected CentOS Sep 2025