What powers kfia21.or.kr?
Last seen Aug 2026 · 8 technologies across 7 categories
JavaScript libraries
Load balancers
Amazon ELB
since Aug 2026
Operating systems
Ubuntu
since Jan 2019
PaaS
Amazon Web Services
since Aug 2026
Programming languages
Java
since Sep 2021
UI frameworks
Web servers
Apache HTTP Server
since Jan 2019
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 Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 79% desktop
- 19% phone
- 1% tablet
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.82 / 10 · ranked #1,930,697 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- CDN: HyosungITX
- Weight: 2.7 MB · 29 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Amazon ELB Aug 2026
- detected Amazon Web Services Aug 2026