What powers khff.or.kr?
Last seen Sep 2026 · 24 technologies across 11 categories
Analytics
Google Analytics
since Apr 2023
Naver Analytics
since Jul 2025
Amazon SES
since Apr 2023
JavaScript frameworks
JavaScript libraries
Load balancers
Amazon ALB
since Apr 2023
Miscellaneous
Kakao
since Jan 2025
Open Graph
since Apr 2023
PaaS
Amazon Web Services
since Apr 2023
Rich text editors
Security
HSTS
since Apr 2023
Video players
Web servers
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 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
3.37 / 10 · ranked #1,036,317 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.3 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Korean
- Weight: 4.8 MB · 60 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (15.164.33.127)
- DNS: Amazon Route 53
- Email: daouoffice.com
- Email security: SPF (soft fail), no DMARC record
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Mar 2027
- Common Crawl link graph: rank 11,621,194, 11 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| edu.khff.or.kr | 20 |
| cert.khff.or.kr | 16 |
| 20th.khff.or.kr | 13 |
| khff.or.kr | 6 |
| www.khff.or.kr | 6 |