What powers kjc.or.kr?
Last seen Sep 2026 · 11 technologies across 6 categories
JavaScript libraries
Miscellaneous
Open Graph
since Oct 2022
Operating systems
UNIX
since Feb 2022
Programming languages
Java
since Feb 2022
Web server extensions
Web servers
Apache Tomcat
since Feb 2022
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.19 / 10 · ranked #3,113,838 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.2 s |
| CLS | 0 |
| TTFB | 2700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on SK Broadband (218.234.18.135)
- DNS: uhost.co.kr
- Email: whoisworks.com
- Email security: SPF (soft fail), no DMARC record
- SSL: DigiCert, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 14,571,946
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted