What powers rcda.or.kr?
Last seen Jul 2026 · 26 technologies across 10 categories
Analytics
Google Analytics
since Apr 2019
Naver Analytics
since Jun 2023
CDN
cdnjs
since Aug 2023
Cloudflare
since Aug 2023
Google Hosted Libraries
since Mar 2024
jsDelivr
since Sep 2022
Unpkg
since Apr 2022
Font scripts
Google Font API
since Apr 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Operating systems
CentOS
since Sep 2023
Programming languages
Java
since Aug 2023
Security
HSTS
since Jun 2023
Web server extensions
Web servers
Apache Tomcat
since Sep 2023
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 checked
- ai.txt not checked
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
3.16 / 10 · ranked #1,325,118 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.4 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on LGDACOM LG DACOM Corporation (139.150.69.42)
- DNS: Cafe24
- Email: rcda.or.kr
- Email security: SPF (soft fail), DMARC monitor only
- SSL: GlobalSign, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 12,541,188, 7 hosts
- Verified with: GlobalSign
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| happyoffice.rcda.or.kr | 17 |
| new.rcda.or.kr | 12 |
| rcda.or.kr | 11 |
| www.rcda.or.kr | 11 |
| culturetour.rcda.or.kr | 8 |
| academy.rcda.or.kr | 6 |