What powers jbtti.or.kr?
Last seen Jun 2026 · 15 technologies across 8 categories
CDN
cdnjs
since May 2022
Cloudflare
since May 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Operating systems
CentOS
since Apr 2019
Programming languages
Java
since Apr 2019
Security
reCAPTCHA
since Sep 2021
Web server extensions
Web servers
Apache Tomcat
since Apr 2019
Audience
- 63% phone
- 37% desktop
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.77 / 10 · ranked #4,516,989 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 4.3 MB · 55 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.jbtti.or.kr | 14 |
| jbtti.or.kr | 11 |